15 



and on the outside of the outer line; those on the hind 

 part are very much darker brown, forming an ill-defined 

 dark spot, a similar spot between this and the base of the 

 wing. The terminal portion of the wing white, with two 

 dark-brown horizontal dashes and more or less light brown 

 above the middle. Hind wings pale fuscous, paler basally. 



Habitat. Texas, Arizona. Early stages and food plant 

 unknown. 



I have carefully examined the types of Zeller and Hulst. 



PRIOXAPTERYX CUNEOLALIS. (Plate VI.. fig. 4.) 

 Crambus cuneolalis Hulst, Tr. Am. Ent. Soc., Vol XIII., p. 166 (1886). 



Expanse of wings, 19-22 mm. Palpi, head and thorax 

 sordid white, dusted over with cinnamon-brown scales, dark- 

 est on the palpi. Fore wings white, dusted over with brown 

 scales, but leaving cross-lines ; the inner one, near the middle 

 of the wing, edged outwardly with brown, has two angles ; 

 the outer one, angulate beyond the cell, and edged with 

 brown on the inside. The terminal space white near the 

 apex and also in the middle, which is crossed by four dark 

 dashes. Fringe interlined, dark brown and white at the 

 apex and fuscous behind. Hind wings pale fuscous, paler 

 basally. 



Habitat. Texas. Early stages and food plant unknown. 



PRIOXAPTERYX INCERTELLA. 



Chilo incertella Zinck., Germ. Mag., Vol. IV., p. 253 (1821). 

 Prionopteryx incertella Zell , Chil. et Cram., p. 14 (1863). 

 Prionopteryx incertella Robs., Ann. Lye. N. II. of N. Y., Vol. 



IX., p. 311 (1869). 

 Prionopteryx olivella Grote, Bull. U. S. Geo. Sur., Vol. VI., 



p. 274 (1881). 



Expanse of wings, 19-25 mm. Palpi, head, thorax and 

 fore wings olive fuscous, the olive tint more apparent in 

 fresh specimens. The fore wings have a pale shade along 

 the submedian fold from the base outwardly ; a pale-yellow 

 or whitish mark on the middle of the costa, and a larger one 

 beyond it at the outer third ; an outwardly curved line from 



