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Show 1896.] FROM ARABIA AND SOMALILAND. 251 11. HYREUS LINGEUS. Papilio lingeus, Cramer, Pap. Exot. iv. pi. ccclxxix. F, G (1782). , $ , Shaik Othman, 1st April, 1895 (Col. Yerbury). 12. ZESIUS LIVIA. Lyccena livia, Klug, Symb. Phys. pi. 40. figs. 3-6 (1834). 3 § , Shaik Othman, 24th February ; J, Aden, bred from seed-pods of Acacia edgworthii, 4th March ; S $ , Lahej, 12th March ; $ , Shaik Othman, 5th April, 1895 (Col. Yerbury). 13. CHLOROSELAS ESMERALDA. Chloroselas esmeralda, Butler, P. Z. S. 1885, p. 765, pi. xlvii. fig. 4. cS; Zaila, Somaliland, 23rd May, 1895 (Capt. Nurse). Mr. Trimen, ' South-African Butterflies,' vol. iii. p. 414, observes:-" O n careful comparison of two males taken by Mr. Selous-which quite agree with Mr. Butler's description of C. esmeralda-and of three very fine males taken near Durban by Mr. Millar, with the type of A. pseudozeritis, I have come to the conclusion that esmeralda is identical with pseudozeritis." H e then proceeds to point out that bis type and specimens from Durban are darker below than the others, have a fuscous cloud on the middle disc of the hind wings, the silvery spots very brilliant, and " There are two linear tails on the hind wing, respectively on the first median nervule and the submedian nervure." This, to m y mind, settles the question: the Somali examples only have one tail; they are uniformly of a buffish stone-colour below without any clouding. I examined an example, presumably of C. pseudozeritis, about a year ago, and decided that it was undoubtedly distinct. 14. IOLAUS NURSEI, sp. n. (Plate X. fig. 16.) Closely allied to /. umbrosa (P. Z. S. 1885, p. 766, pi. xlvii. fig. 6), but the wings above bright cobalt-blue, with two whitish superposed spots on the disc of the primaries, close to the slaty-black outer border ; the fringe much whiter, pure wdiite towards external angle : secondaries above with two or three ill-defined white discal spots parallel to outer margin; the outer border pure white, bounded internally by a dusky stripe, including the ordinary black spots, and externally by a sharply-defined black line ; fringe pure white with a greyish line : wings below pearly white, the pattern nearly identical with that of I. umbrosa, but the bands black-brown instead of red : other differences which exist may be variable and therefore not worth noting. Expanse of wings 35-40 millim. d J, Shaik Othman, 3rd March and 3rd April, 1895 (Col. Ytrbury) ; tf , 26th February, rf ? , 31st March (Capt. Nurse). This is doubtless the Arabian representative of the Somali /. umbrosa; but it is a far prettier insect. |
