446 ■ [December 



An extract from Capt. Mortimer Slater's •• Notes" (p. 300) in the 

 Appendix to Cat. Lep. Mus. E. I. Co. I. p. 2, says: " tliis species was 

 common at Dacca, 1845, and at Darjeeling, being partial to the feathery 

 scarlet flowered plant about which they hover, and may be easily caught 

 by the hand, as its flight is heavy." 



ATROPHANEURA, nov. gen. 

 Head, large. 



E//es, oval, prominent. 



Antennse, long, with the club, elongate, annulated. 

 Lahiai palpi ; first and second joints, short 5 third, long ; hairy, 

 particularly the last joint. 



Thorax robust, clothed with long hairs, nearly equalling Omitliop- 

 tera in size. Prothorax developed more than in Papilio. 



Abdomen, large, very long, extending to the anal angle of the pos- 

 terior wings, and furnished, -in the male, with a pair of very hu*ge anal 

 valves. 



Anterior wings, sub-triangular, elongate, rounded at the apex ; 

 inner margin not more than half the length of the costal; costal and 

 median nervures very prominent; upper disco-cellular nervule less 

 than the space between the two discoidal nervules ; third sub-costal 

 nervule thrown off" at the end of the cell ; median and sub-median ner- 

 vures are united by an interno-median. 



Posterior wings, sub-ovate, deeply dentate, prolonged in the male 

 in a small tail ; pre-costal nervure, bi-branched, the inner division bent 

 downwards and united to the costal nervure ; lower disco-cellular ner- 

 vule atrophied, the discal nervule in conjunction with the first median 

 nervules at the extremity of the cell, and appearing as a third sub-cos- 

 tal nervule; discoidal cellule, very much elongated, the median nervure 

 which is very stout, forking near its lower extremity; the third nervule 

 at f ths of its length, the second is separated from the first by an inter- 

 val of little more than half a line ; a deep channel on the anal margin 

 for the reception of the abdomen ; sub-median interspace very large, 

 thrown over into a fold on the upper surface. 



Legs, long and powerful; anterior tibiae with a long spine; tarsi, 

 first joint, equal in length to the rest combined, the fourth joint, the 

 shortest; claws, all simple. 



