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Show 18 MR. GUY A. K. MARSHALL ON THE [Jan. 19 form of T. regina, Trim. I have no doubt whatever that T.puniceus, Butl., is merely the dry-season form of this species, the size of the apical patch and the upperside black markings being somewhat reduced, and the underside of secondaries having a pinkish tinge with faint grey hatching and a distinct discal ray from costa. I cannot distinguish the single female on which Mr. Butler founded his T.follaceus from the female of T. hetcera, of which I have seen a long series. As usual, the colouring of the female is highly variable, ranging from dull white, through opalescent or yellowish white to bright yellow; the black borders are very heavy and radiate somewhat on nervules in hind wings ; there is no black bar on inner margin of fore wings, but strong basal grey clouding ; the spots in apical black are small, white or yellowish in colour, and usually more or less suffused with crimson scales. At present T. hetcera has been recorded from the Sabaki R. and Victoria Nyanza on the south, northward to Wadelai and Somaliland. 36. TERACOLUS LORTI. Teracolus lorti, E. M . Sharpe, Proc. Zool. Soc. 1896, p. 527. I have not been able to examine the types of this species, but judging from Miss Sharpe's description it is very nearly allied to the foregoing species, and is perhaps doubtfully distinct; but owing to the unusally large size of the apical patch and its combination with an essentially dry-season underside colouring, I feel constrained to keep it separate. The species was founded on a male and two females, captured in March 1895 by Mrs. Lort Phillips in the Goolis Mts., Somaliland, and it is worth noting that specimens of T. hetcera were caught at the same time. 37. TERACOLUS IONE. Pieris ione, Godart (nee Trim.), Enc. Meth. ix. p. 140 (1819). Anthocharis ione. Boisduval, App. Vov. Deleg. Afr. Aust. p. 587 (1847). Anthocharis erone, Angas, Kaf. Illust. pl. xxx. fig. 3 (1849). Anthopsyche speclosa, Wallengren, K. Sv. Vet.-Akad. Handl • Lep. Rhop. Caf. p. 16 (1857). Euchloe jobina, Butler, Cist. Ent. i. p. 14 (1869). As there appears to be some difference of opinion as to what is the true Pieris lone of Godart, I have taken some trouble to satisfv myself on the matter. Mr. Trimen considers that Godart was describing the form named T. jalone by Dr. Butler, whereas the latter gentleman places T. speclosa, Wallgr., as T. ione, which seems to be the more generally accepted view. A careful consideration of the original description and a good series of both species leads me to believe that the latter decision is nearer the truth. Godart's description does not exactly suit any specimen that I have seen but if we are to be satisfied with the nearest we can aet to it' Anthopsyche speclosa, Wallgr., has certainly the first claim. The most important point seems to be the underside colouring, which he |