( 91 ) 



Thorax grey, with black circle all i-ouiid. 



Abdomen gre\', with six alteruate browu auil white patches on each side. 



Expanse, 3'75 inches = 95'6;3 milliin. 



Hub. ?. 



PSEUDODOLBINA genns nov. 



Nearest to Apocahjpsis, but differs in its small size, short and not pointed 

 wings, and straight-cnt margins. 



Distribution same as single species. 



Pseudodolbina veloxina sp. nov. 

 (PI. VI., fig. IS.) 



Fori>wings greyish black, crossed by nine indistinct wavy transverse lines of 

 a brilliant black colour. A round white stigma in the cell. 



Hindwings dark browu, witfi an inrlistinct blackish and grey mark at the anal 

 angle. Fringe buff. 



Head and thorax greyish black. 



Abdomen mixed greyish brown and black, with an indistinct orange round lilotch 

 on each side of the first abdominal segment. 



Underside all wings deep brown, yellowish at the base and on the costa. Palpi, 

 legs, thorax, and abdomen bright yellow. 



Expanse, 2'6 inches = 63'75 millim. 



Hab. Khasia Hills, Assam. 



COCYTIUS. 



The genus Cocytius is a very hard one to work out, although the number of 

 si)ecies is small and the species themselves are giants. Although the number of 

 species is so small, and fortunately the number of synonyms is also very limited, 

 there have been a number of most reprehensible errors committed in connection 

 with this genus. 



First of all the name Gocj/tiun ijodnrtU (Boisd.) has been since universally 

 applied to a Central American species which no more resembles Boisduval's figure 

 than a fly does. 



Then Mr. Druce figures the true C. godartii (Boisd.) in the Biologin Centrali- 

 Americana under the name of C. ricularis (Butl.). 



Then Mr. Butler places as the male of his C. rividaris the species falsely 

 known as C. godartii, and which I am describing as new under the name of C. 

 afjinis. 



C. rirularis (Butl.) is a good and very distinct species, wliich can always be 

 recognised, though the figure of it in the Transactions of the Zoological Societg, 

 vol. ix., is very bad. 



Lastly, Mr. Kirby has not been careful in looking up the three names C. medor 

 (Stoll), C. kgdaspus (Cram.), and 0. antaens (Drury). 



G. medor (Stoll) is the same as C. hgdaspus (Cram.), and so the two species 

 must stand as C antaeas (Drury) and C. hgdaspus (Cram.). 



