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Show 1896.] FROM ARABIA AND SOMALILAND. 245 edgworthii. The larva is a fat reddish one, but I did not make any careful notes regarding it. " IOLAUS NURSEI. This Butterfly was not common, and I never saw it except at Shaik Othman, where the few specimens I got were taken. " IOLAUS GLAUCUS. These were the only specimens I took. " TERIAS CHALCOMI^ETA. Common at Lahej. "TERACOLUS CALAIS, var. DYNAMENE. I suppose all these are T. dgnamene. I found the larvae on Salvadora persica, and I also bred some from the egg. The following is a description of the larva :- Pea-green, very slightly rough: lower part lighter green; a slightly darker mark along back. Some of the larvae have two black spots dotted with white behind the head, and on some the first half of the streak down the back is whitish, others have it whitish the whole length. Some of the larvae have black heads, others green heads. The pupa also is very variable. Some are very pale green, others yellowish brown dotted with black. The eggs are laid in batches of 20 or 30 on the leaves of the food-plant, and the larvae remain gregarious for at least half the larval stage. They remind one of Sawfly larvae. I bred larvae of all the colours mentioned above from the same batch of esss. oo "TERACOLUS PHISADIA. (Plate X. fig. 13.) Common at Aden and in the interior. I found the larvae feeding on Salvadora persica. The following is a description of it:- Pea-green ; when young, two black spots on back of head; a white mark, almost the shape of an ace of diamonds, but rather longer, on second segment; when older the black spots on head disappear, and the white mark gets clearer and is outlined with black. There are two similar marks just beyond the centre of the back, the front being the smaller, and another similar mark on eleventh segment. " TERACOLUS VI. I did not get many specimens of this species and I could not succeed in finding the larva, though I, searched carefully many times. " TERACOLUS PLEIONE (and T. MIRIAM). (Plate X. fig. 18.) Very common at Aden, but, like Col. Terbury, I never saw it elsewhere. I found plenty of the larvae feeding on Cadaba |