HYDROCAMPLN^E. 189 



b'. Palpi with the 2nd and 3rd joints [p. 232. 



conically scaled 25. CCELORHYNCIDIA, 



c'. Palpi with the 3rd joint naked. 



a 2 . Hind wing with the outer margin 



rounded. [p. 222. 



a 3 . Fore wing with veins 4, 5 stalked . . 16. PERIS YNTROCHA, 

 b 3 . Fore wing with veins 3, 4 stalked. . 17. STEGOTHYRIS, 

 c 3 . Fore wing with veins 3, 4, 5 from [p. 223. 



cell. 

 a 4 . Hind wing with veins 4, 5 from 



cell. 



a 5 . Hind wing with vein 7 

 anastomosing with 8 almost 

 to apex or coincident with [p. 222, 



it 15. NIPHOSTOLA, 



b 5 . Hind wing with vein 7 



anastomosing with 8 to 



about two-thirds of wing. 



a 6 . Antennae with the shaft 



annulate and not as long 



as fore wing 21. BRADINA, p. 226. 



b 6 . Antennae with the shaft 

 smooth and somewhat 

 longer than fore wing. 

 a 7 . Abdomen of moderate [p. 236. 



length 30. PILETOCERA, 



b 7 . Abdomen very long, espe- 

 cially in male 19. TATOBOTYS, p. 224. 



b*. Hind wing with veins 4, 5 stalked. 26. DIATHRAUSTODES, 

 6 2 . Hind wing with the outer margin [p. 233. 



truncate and excised towards anal 



angle 20. ALMONIA, p. 225. 



B. Palpi porrect. 



a. Palpi once to twice the length of head, 

 a'. Palpi triangularly scaled, the third joint 



hidden by hair. [p. 233. 



a 2 . Hind wing with vein 4 absent 27. DIATHRAUSTA, 



b 2 . Hind wing with vein 4 present. 



a 3 . Hind wing with veins 4, 5 not 



approximated towards origin .... 33. MABRA, p. 240. 

 b 3 . Hind wing with veins 4, 5 closely 

 approximated for a short distance. 

 a 4 . Fore wing long and narrow, 



vein 3 from before angle of cell. 28. STENIA, p. 234. 

 # 4 . Fore wing subtriangular, vein 3 



from angle of cell. 

 a 5 . Palpi projecting about the 



length of head ; antennae with [p. 235. 



the shaft smooth 29. HYALOPLAGA, 



b 5 . Palpi projecting about twice the 

 length of head ; antennae with 



the shaft annulate 13. DAULIA, p. 220. 



b'. Palpi straight and fringed with long hair 

 below, the 3rd joint prominent. 



a 2 . Maxillary palpi filiform 14. TALANGA, p. 221. 



b 2 . Maxillary palpi triangularly scaled . . 12. PARTHENODES, 



[p. 216. 



