14 



gularly remarkable insect I have seen only my own specimen, 

 which I obtained from the collection of Mr. Haworth, who 

 appears to have procured it from that of Mr. Francillon ; I 

 know not its locality." The type is in the Stephens collec- 

 tion in the British Museum, and shows very plainly the 

 mutilation in the costa of the fore wings, which he describes 

 as " three or four deep serratures towards the apex." It is 

 our well-known North American species by that name, and 

 the type was undoubtedly from this country. 



PRIONAPTERYX NEBULIFERA. (Plate VI., fig. 1.) 



Prionapteryx nebulifera Steph., 111. Br. Ent. Haust., Vol. IV., p. 317 



(1834), 

 Prionapteryx nebulifera Wood, Ind. Ent., p. 214, Plate XLVII.,fig. 1484 



(1854). 

 Prionopteryx nebulifera Zell., Chil. et Cram., p. 18 (1863). 



Expanse of wings, 22-31 mm. Palpi, head and thorax 

 ashy brown. Fore wings brown, with a short oblique white 

 streak on the middle of the costa and two broader spots 

 before the apex ; an irregular quadrate white spot before 

 the middle of the wing, extending from the hind margin 

 across the cell ; two parallel white stripes within the outer 

 margin, within which is a large white spot with several 

 dashes of brown upon it. Fringes cream- white, marked 

 with two or three streaks of brown below the apex. Hind 

 wings pale fuscous, whitish at base. 



Habitat. Texas. Early stages and food plant unknown. 



PRIONAPTERYX ACHATINA. (Plate VI., figs. 2 and 3.) 



Prionopteryx achatina Zell., Chil. et Cram., p. 13 (1863). 

 Crambus delectalis Hulst, Tr. Am. Ent. Soc., Vol. XIII., 

 p. 165 (1886). 



Expanse of wings, 22-25 mm. Palpi, head and thorax 

 sordid white, dusted over with cinnamon-brown scales. Fore 

 wings white, dusted over with cinnamon-brown scales, ex- 

 cept on the two cross-lines ; the inner one near the middle 

 of the wing with two outward angles, the outer one some- 

 what arcuate. The brown scales are more numerous within 



