34 ME. E. T. WATSOy OX THE HEfSPEIlIID.E. [Jan. 17, 



the same straight line, the lower the longer ; veinlet at vein 4 ; vein 3 

 more than four times as far from base of wing as from end of cell ; 

 Tein 2 about three times as far from end of cell as from base of 

 ■wing. Hind wing slightly lobed at anal angle ; discocellulars faint, 

 erect ; vein 5 present, but very faint ; vein 7 three times as far from 

 8 as from 6 ; vein 3 just l)efore end of cell ; vein 2 almost twice as 

 far from base of wing as from end of cell. Hind tibiae with two 

 pairs of spurs. 



It/cidas, Sm.-Ahh I. 



liliaiM, Moore 2. 



American and Asian. 



casyapa, Moore 3. 



bijuseiafa, Breui 4. 



31. Genus Rhabdoides. 



Ithahdoides, Scudder, Butt. East. Un. States, vol. iii. p. 1854 (1889). 



Type, cellus, Boisduval. 

 Antennae, palpi, neiiration, and legs as in Achalarus, from which 

 it differs only in the absence of the costal fold in the male. . 



cellus, Boisd. 



And one unidentified species. 

 Coufiued to America. 



32. Genus Drephalys, nov. 



Type, helixus, Hew. 



Antennae and palpi as in Typhedanus. Fore wing : outer margin 

 slightly longer than inner margin ; male with a costal fold ; cell of 

 fore wing move than three-fifths the length of costa : vein 12 reaching 

 costa almost opposite end of cell : discocellulars nearly erect ; vein 3 

 well before end of cell, considerably nearer to 4 than to 2 ; vein 2 

 close to base of wing, about three times as far from end of cell as 

 from base of wing. Hind wing much produced, but not to a point. 

 Neuration as in Typhedanus. 



* helixus, Hew. 



33. Genus Typhedanus. 



Typhedanus, Butler, Trans. Eut. Soc. Loud. p. 497 (1870). 



Type, zephus, Butler. 



Antennae : club moderate, bent into a hook, the terminal portion 

 very slender, about half the length of remainder of club. Palpi : 

 third joint minute, hardly projecting from clothing of second joint. 

 Fore wing much produced apically, outer margin considerably longer 

 than inner margin ; cell of fore wing more than two-thirds the 

 length of costa ; no costal fold in male; vein 12 reaching costa well 

 before the end of cell ; discocellulars inwardly oblique, subequal ; 

 vein 5 nearer to 6 than to 4 ; vein 3 shortly before the end of cell, 

 about twice as far from 2 as from 4 ; vein 2 twice as far from end 

 of cell as from base of wing. Hind wing produced to a point at the 

 anal angle : outer margin very oblique, slightly concave ; vein 7 



