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Show 248 DR. A. G. BUTLER ON BUTTERFLIES [Feb. 18, " SYNCHLOE GLAUCONOME. Common both at Aden and Zaila. The larva feeds on Cleome paradoxa in Aden, and inland on other plants. It is greenish yellow, dotted all over with black. Three bluish streaks along the whole length of body. No hairs. About 1| inches long when full-grown. Pupa much the same colours and markings as the larva, but both are fainter. " HERPJENIA ITERATA. Given me by Lieut. Sparrow. " NEPHERONIA ARABICA. I only got three or four specimens. " PAPILIO DEMOLEUS. Given me by Lieut. Sparrow. Col. Terbury got several specimens of a Papilio (P. demoleus, I believe) at Lahej. " ISMENE ANCHISES. Two specimens at Aden and one near Zaila. " CHAPRA MATHIAS. Common both at Aden and Zaila* " GEGENES KARSANA. Fairly common. " PYRGUS ADENENSIS. Fairly common. I think the differences in the larvae of such species of Teracolus as I have described above are worthy of attention. The larva of T. yerburii is not in the least like any of the other larvae I found ; but this was the only red-tipped Teracolus larva I got, except one of T. nouna, which so closely resembled T. yerburii that I did not observe any difference till the imago emerged. The larva? of T.pleione and T. dynamene vary to some extent among themselves, but in the case of T. dynamene I bred several varieties from one batch of eggs : I got only two or three each of T. phisadia and T. acaste. All these forms bear a kind of family likeness one to another ; and, to some extent, this may be said of T. protomedia. I do not know what 'Teracolus larva? have been described by others ; but, judging from the larva?, T. yerburii and presumably the otber red-tipped Teracoli should not belong to the same genus as the others." C. G. NURSE. I am afraid that genera based upon larval coloration would very unnatural; moreover, the fact that Captain Nurse could not distinguish between the larva of the scarlet-tipped T. yerburii and that of the orange-tipped T. evagore (= nouna), seems to me to |
