The dragon eyes of that Magellanic owl haunt me till now, and when I remember them, the bird's death still weighs on my conscience, albeit by killing it I bestowed on it that dusty immortality which is the portion of stuffed specimens in a museum.

The question as to the cause of this fiery scintillating appearance is, doubtless, one very hard to answer, but it will force itself on the mind. When experimenting on the bird, I particularly noticed that every time I retired the nictitating membrane would immediately cover the eyes and obscure them for some time, as they will when an owl is confronted with strong sunlight; and this gave me the impression that the fiery, flashing appearance was accompanied with, or followed by, a burning or smarting sensation. I will here quote a very suggestive passage from a letter on this subject written to me by a gentleman of great attainments in science: "Eyes certainly do shine in the dark-some eyes, e. g. those of cats and owls; and the scintillation you speak of is probably another form of the phenomenon. It probably depends upon some extra-sensibility of the retina analogous to what exists in the molecular constitution of sulphide of calcium and other phosphorescent substances. The difficulty is in the scintillation. We know that light of this character has its source in the heat vibrations of molecules at the temperature of incandescence, and the electric light is no exception to the rule. A possible explanation is that supra-sensitive retina in times of excitement become increasedly phosphorescent, and the same excitement causes a change in the curvature of the lens, so that the light is focussed, and pro tanto brightened into sparks. Seeing how little we know of natural forces, it may be that what we call light in such a case is eye speaking to eye-an emanation from the window of one brain into the window of another."

The theory here suggested that the fiery appearance is only another form of the phosphorescent light found in some eyes, if correct, would go far towards disposing of all those cases one hears and reads about-some historical ones-of human eyes flashing fire and blazing with wrath. Probably all such descriptions are merely poetic exaggerations. One would not look for these fiery eyes amongst the peaceful children of civilisation, who, when they make war, do so without anger, and kill their enemies by machinery, without even seeing them; but amongst savage or semi-savage men, carnivorous in their diet, fierce in disposition, and extremely violent in their passions. It is precisely amongst people of this description that I have lived a great deal. I have often seen them frenzied with excitement, their faces white as ashes, hair erect, and eyes dropping

great tears of rage, but I have never seen anything in them even approaching to that fiery appearance described in the owl.

Nature has done comparatively little for the human eye, not only in denying it the terrifying splendours found in some other species, but also in the minor merit of beauty; yet here, when we consider how much sexual selection concerns itself with the eye, a great deal might have been expected. When going about the world one cannot help thinking that the various races and tribes of men, differing in the colour of their skins and in the climates and conditions they live in, ought to have differently-coloured eyes. In Brazil, I was greatly struck with the magnificent appearance of many of the negro women I saw there well-formed, tall, majestic creatures, often appropriately clothed in loose white gowns and white turban-like headdresses; while on their round polished blue-black arms they wore silver armlets. It seemed to me that pale golden irides, as in the intensely black tyrant-bird Lichenops, would have given a finishing glory to these sable beauties, completing their strange. unique loveliness. Again, in that exquisite type of female beauty which we see in the white girl with a slight infusion of negro blood, giving the graceful frizzle to the hair, the purple-red hue to the lips, and the dusky terra-cotta tinge to the skin, an eye more suitable than the dark dull brown would have been the intense orange brown seen in the lemur's eye. For many very dark-skinned tribes nothing more beautiful than the ruby-red iris could be imagined; while seagreen eyes would have best suited dusky-pale Polynesians and languid peaceful tribes like that one described in Tennyson's poem:

And round about the keel with faces pale,

Dark faces pale against that rosy flame,

The mild-eyed melancholy Lotos eaters came.

Since we cannot have the eyes we should like best to have, let us consider those that nature has given us. The incomparable beauty of the "emerald eye" has been greatly praised by the poets, particularly by those of Spain. Emerald eyes, if they only existed, would certainly be beautiful beyond all others, especially if set off with dark or black hair and that dim pensive creamy pallor of the skin frequently seen in warm climates, and which is more beautiful than the rosy complexion prevalent in northern regions, though not so lasting. But either they do not exist or else I have been very unfortunate, for after long seeking I am compelled to confess that never yet have I been gratified by the sight of emerald eyes. I have seen eyes called green, that is, eyes with a greenish tinge or light in them, but they were not the eyes I sought. One can easily forgive the poets their

misleading descriptions, since they are not trustworthy guides, and very often, like Humpty Dumpty in "Through the Looking Glass," make words do "extra work." For sober fact one is accustomed to look to men of science; yet, strange to say, while these complain that we -the unscientific ones—are without any settled and correct ideas about the colour of our own eyes, they have endorsed the poet's fable, and have even taken considerable pains to persuade the world of its truth. Dr. Paul Broca is their greatest authority. In his "Manual for Anthropologists" he divides human eyes into four distinct types -orange, green, blue, grey; and these four again into five varieties each. The symmetry of such a classification suggests at once that it is an arbitrary one. Why orange, for instance? Light hazel, clay colour, red, dull brown, cannot properly be called orange; but the division requires the five supposed varieties of the dark pigmented eye to be grouped under one name, and because there is yellow pigment in some dark eyes they are all called orange. Again, to make the five grey varieties the lightest grey is made so very light that only when placed on a sheet of white paper does it show grey at all: but there is always some colour in the human skin, so that Broca's eye would appear absolutely white by contrast-a thing unheard of in nature. Then we have the green, beginning with the palest sage green, and up through grass green and emerald green, to the deepest sea green and the green of the holly leaf. Do such eyes exist in nature? In theory they do. The blue eye is blue, and the grey grey, because in such eyes there is no yellow or brown pigment on the outer surface of the iris to prevent the dark purple pigment-the -on the inner surface from being seen through the membrane, which has different degrees of opacity, making the eye appear grey, light or dark blue, or purple, as the case may be. When yellow pigment is deposited in small quantity on the outer membrane, then it should, according to the theory, blend with the inner blue and make green. Unfortunately for the anthropologists, it doesn't. It only gives in some cases the greenish variable tinge I have mentioned, but nothing approaching to the decided greens of Broca's tables. Given an eye with the right degree of translucency in the membrane and a very thin deposit of yellow pigment spread equally over the surface; the result would be a perfectly green iris. Nature, however, does not proceed quite in this way. The yellow pigment varies greatly in hue; it is muddy yellow, brown, or earthy colour, and it never spreads itself uniformly over the surface, but occurs in patches grouped about the pupil and spreads in dull rays or lines and spots, so that the eye which science says "ought to be called green" is usually a very dull

blue-grey, or brownish-blue, or clay colour, and in some rare instances shows a changeable greenish hue.

In the remarks accompanying the report of the Anthropometric Committee of the British Association for 1881 and 1883, it is said that green eyes are more common than the tables indicate, and that eyes that should properly be called green, owing to the popular prejudice against that term, have been recorded as grey or some other colour.

Does any such prejudice exist? or is it necessary to go about with the open manual in our hands to know a green eye when we see one? No doubt the "popular prejudice" is supposed to have its origin in Shakespeare's description of jealousy as a green-eyed monster; but if Shakespeare has any great weight with the popular mind the prejudice ought to be the other way, since he is one of those who sing the splendours of the green eye.

Thus, in Romeo and Juliet :

The eagle, madam,

Hath not so green, so quick, so fair an eye

As Paris hath,

The lines are, however, nonsense, as green-eyed eagles have no existence; and perhaps the question of the popular prejudice is not worth arguing about.

If we could leave out the mixed or neutral eyes, which are in a transitional state-blue eyes with some dark pigment obscuring their blueness, and making them quite unclassifiable, as no two pairs of eyes are found alike-then all eyes might be divided into two great natural orders, those with and those without pigment on the outer surface of the membrane. They could not be called light and dark eyes, since many hazel eyes are really lighter than purple and dark grey eyes. They might, however, be simply called brown and blue eyes, for in all eyes with the outer pigment there is brown, or something scarcely distinguishable from brown; and all eyes without pigment, even the purest greys, have some blueness.

Brown eyes express animal passions rather than intellect, and the higher moral feelings. They are frequently equalled in their own. peculiar kind of eloquence by the brown or dark eyes in civilised dogs. In animals there is, in fact, often an exaggerated eloquence of expression. To judge from their eyes, caged cats and eagles in the Zoological Gardens are all furred and feathered Bonnivards. Even in the most intellectual of men the brown eye speaks more of the heart than of the head. In the inferior creatures the black eye

is always keen and cunning or else soft and mild, as in fawns, doves, aquatic birds, &c.; and it is remarkable that in man also the black eye-dark brown iris with large pupil-generally has one or the other of these predominant expressions. Of course, in highly-civilised communities, individual exceptions are extremely numerous. Spanish and negro women have wonderfully soft and loving eyes, while the cunning weasel-like eye is common everywhere, especially amongst Asiatics. In high-caste Orientals the keen, cunning look has been. refined and exalted to an expression of marvellous subtlety-the finest expression of which the black eye is capable.

The blue eye-all blues and greys being here included—is, par excellence, the eye of intellectual man; that outer warm-coloured pigment hanging like a cloud, as it were, over the brain absorbs its most spiritual emanations, so that only when it is quite blown away are we able to look into the soul, forgetting man's kinship with the brutes. When one is unaccustomed to it from always living with dark-eyed races, the blue eye seems like an anomaly in nature, if not a positive blunder; for its power of expressing the lower and commonest instincts and passions of our race is comparatively limited ; and in cases where the higher faculties are undeveloped it seems vacant and meaningless. Add to this that the ethereal blue colour is associated in the mind with atmospheric phenomena rather than with solid matter, inorganic or animal. It is the hue of the void, expressionless sky; of shadows on far-off hill and cloud; of water under certain conditions of the atmosphere, and of the unsubstantial summer haze,

Whose margin fades

Forever and forever as I move.

In organic nature we only find the hue sparsely used in the quickly-perishing flowers of some frail plants; while a few living things of free and buoyant motions, like birds and butterflies, have been touched on the wings with the celestial tint only to make them more aërial in appearance. Only in man, removed from the gross materialism of nature, and in whom has been developed the highest faculties of the mind, do we see the full beauty and significance of the blue eye-the eye, that is, without the interposing cloud of dark pigment covering it. In the recently-published biography of Nathaniel Hawthorne, the author says of him: "His eyes were large, dark-blue, brilliant, and full of varied expression. Bayard Taylor used to say that they were the only eyes he ever knew to flash fire. . . . While he was yet at college, an old gipsy woman, meeting him suddenly in a woodland path, gazed at him and asked,