232 Bulletin American Museum of Natural History [Vol. XLIII 



The species is represented in the collection bj^ thirty-one specimens, 

 twenty-six taken at Gamangui in February, three at Medje, one in each 

 of the months, June, July, and Septeml^er, one at Bafwabaka in Dec- 

 ember 1909, and one at Faradje, labelled ''1911-1912." 



Nacaduba Moore 



(374) 1. Nacaduba sethiops (Mabille) 

 Kharsanda cethiops Mabille, 1877, Bull. Soc. Zool. France, II, p. 219. 

 Nacaduba stratola Holland, 1S91, Psyche, VI, p. 52. 



Cupido o'thiops Aurivillius, 189S, Rhop. ^Ethiop., p. 367. 



There are thirteen males, eleven caught at Gamangui in February, 

 the other two at Medje in July 1910. 



PoLYOMMATUs Moore 



(375) 1. Polyommatus baeticus (Linnseus) 



Papilio bceticus Linn.eus, 1767, Syst. Nat., 12th Ed., p. 789. 

 Cupido bceticus Aurivillius, 1898, Rhop. iEthiop., p. 367. 



Two males, one caught at Medje in August 1910, the other labelled 

 "Faradje, 1911-1912." 



Cupido Schrank 



(376) 1. Cupido asopus (Hopffer) 



Lyccena asopus Hopffer, 1855, Monatsber. Akad. Wiss. Berlin, p. 642. 

 Cupido asopus Aurivillius, 1898, Rhop. ^Ethiop., p. 373. (As synonym of C. mala- 

 thana Boisduval.) 



Two damaged specimens, a male taken at Bafwabaka, December 

 1909, and a female caught at Medje, July 1910. 



Aurivillius sinks asopus Hopffer as a synonym of C. malathana 

 Boisduval, but I cannot bring myself to agree with him, in the light of the 

 material before me, which I believe to be correctly identified. As species 

 go in this group, there seem to be reasons for regarding the two as 

 distinct. But I will not discuss the matter except to say that the form 

 malaihana from Madagascar is in my opinion at least a well-marked 

 insular variety and easily separable from the continental form asopus. 



(377) 2. Cupido osiris (Hopffer) 

 Lyccena osiris Hopffer, 1855, Monatsber. Akad. Wiss. Berlin, p. 622. 

 Cupido osiris Aurivillius, 1898, Rhop. ^thiop., p. 374. 



There are four males, all taken at Faradje, one without date, one 

 caught in December 1912, and two labelled "1911-1912." Besides, 

 there is a dwarfed female captured, according to the label, at Bumba, 

 July 1909. 



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