1920] Holland, Lepidoptera of the Congo 137 



might at first glance easily confound the two, the structural differences 

 which I have pointed out enable them to be easily separated. M. 

 martins is not represented by a single specimen in the collection upon 

 which I am reporting. 



The seventeen males and six females in the collection were all taken 

 at Medje, a couple in April, the rest from July to September. 



(88) 16. Mycalesis dubia Aurivillius 



Mycalesis dubia Aurivillius, 1893, Ent. Tidskr., XIV, p. 270, fig. 4; 1911, Seitz, 

 Gross-Schmett., XIII, p. 92, PL xxvii6. 



There are two males of this species, one taken at Medje in April 

 and another at the same place in September. 



(89) 17. Mycalesis golo Aurivillius 



Mycalesis golo Aurivillius, 1893, Ent. Tidskr., XIV, p. 267, fig. 2. 

 Mycalesis golo var violascens Aurivillius, 1898, Rhop. .^thiop., p. 55; 1911, Seitz, 

 Gross-Schmett., XXIII, p. 91, PL xxviie. 



Mycalesis golo was originally described by Professor Aurivillius 

 from Cameroon. I have in my possession a large series of specimens 

 from that region, which agree exactly with his description and figure. 

 The series taken by the American Museum Congo Expedition are not 

 tj'^pical, but may in part be referred to the varietal form violascens, in 

 which the limbal area of the wings is more or less suffused with violet 

 and the transverse line of the hind wing is obscured by the outward ex- 

 tension of the dark color of the basal and discal area of the wing. Some 

 of the specimens taken at Medje approach more nearly to the typical 

 form but these differ, nevertheless, by having the upper surface of the 

 wings distinctly brown and not dark blackish brown like the insect 

 from Cameroon. This difference, while it holds good of all the specimens 

 not referable to the variety violascens, hardly seems to me to be of 

 sufficient importance to justif}" the erection of a subspecies. 



Of M. golo violascens there are in the collection seventeen males, 

 one taken at Niangara in November, the rest caught at Medje from 

 July to September. Of the reddish form there are eight males taken at 

 Medje in August and September. 



(90) 18. Mycalesis baumanni Karsch (?) 



Mycalesis baumanni Karsch, 1894, Ent. Nachr., XX, p. 230. Aurivillius, 1911, 

 Seitz, Gross-Schmett., p. 91, PL xxviie. 



With a good deal of hesitation I refer to this species five males which 

 are before me. They belong to the Fourth Subgroup of the classifica- 

 tion proposed by Professor Aurivillius (cf. Seitz, 'Die Gross-Schmetter- 



