( XXV ) 



the female type of belli, Hew., from Cape Coast Castle, belong 

 to the first of these groups; the male type df mania, Kirby. 

 from Cameroons, is a typical example of the second. The 

 type of Fabricius' posthumus is unfortunately lust, but the 

 description is clearly that of a female. Furthermore, Fabricius 

 refers to " Jones' Icones " (5, tab. 77, fig. 2), of which copies 

 by Donovan and Westwood exist in the Hope Department. 

 These copies (fig. 2 includes both upper and under surface, 

 etc.) represent a female of the first group — apparently a 

 rather worn specimen showing no trace of the white radiate 

 markings on the hind-wing under surface. Some slight con- 

 firmation is afforded by the fact that the early West Coast 

 material was mostly from Sierra Leone, where members of 

 the first group are common and those of the second rare. 

 Taking the whole of the evidence together there can be no 

 doubt that Aurivillius was right in sinking both elion and 

 belli to posthumus. 



If, then, the two groups described above represent two 

 species, urania stands as distinct from posthumus. Consider- 

 ing the great variability of both groups and the occurrence 

 together, especially in the southern part of the range, of 

 individuals from both of them, the differences in pattern are 

 insufficient to determine the question. I therefore sought the 

 help of Dr. T. A. Chapman, who kindly consented to examine 

 the male genitalia of (1) a typical example of the first group 

 {posthumus) from Old Calabar; (2) a specimen of the second 

 group, also from Old Calabar, closely resembling the type of 

 urania; (3) another example of the second group collected 

 by Mr. S. A. Neave in the M'panga Forest, Toro, Uganda. 

 Dr. Chapman reported that (1) was quite distinct from (2) 

 and (•'>) : " The Epitolas are very distinct; the most obvious 

 differences are in the aedoeagus, with a remarkable seriated 

 projection on the ventral side in posthumus, very straight and 

 smooth on this aspect in urania; the dorsal projections much 

 longer in urania (folded in mounting in both specimens). 

 The fahes also differ very decidedly : the clasps also differ, 

 etc." 



The difference of pattern here described are recognised in 

 the arrangement of the British Mu eum series, but apparently 



