THE CANADIAN ENTOMOLOGIST. 41 



scales. It is of even width, covering veins 7 and 8 ; beyond the cell are 

 also two faint luteous streaks over veins 5 and 6. Secondaries and abdo- 

 men shining gray. Expanse 18 mm., one male, Placer Co., Cal., Sept., 

 " through C. V. Riley,"' U. S. Nat. Museum, type No. 4422. 



Sytiopsis of Species of Cerostoma. 

 Voxt wing luteous, this colour predominating. 



Smooth, reddish luteous, not irrorate subhicella, Wals. 



AVings irrorate with darker lines and spots. 



A dark streak from apex to cell ; two black blotches on inner 

 margin, the wing otherwise scarcely strigose . ...cervella, Wals. 

 No apical streak ; fore wing strigose-reticulate, some of the 

 strigpe on internal margin often forming heavy 



dots subsylvdla, Wals. 



Fore wing gray, the luteous not predominating. 



A series of three black dashes below the cell and a spot at the 



end aiuiiafie/la, Beut. 



No longitudinal black dashes. 



A luteous streak from cell to apex Koebelella, Dyar. 



No such streak, at most a luteous ray from the base toward outer 



margin radiatella, Don. 



Subfamily GLYPHiPTERYGiNae 

 Genus Setiostoma, Zell. 

 Zell., Verh. Zool.-Bot. Ges. Wien., XXV., 324, 1875. 

 S. xa/ifkobasis, Zell., Verh. Zool.-Bot. Ges. Wien, XXV., 325, 1875. 

 S. Fcrnaldella, Riley, Proc. Ent. Soc, Wash., I., 155, 1889. 



Genus Walsinghamia, Riley. 

 Riley, Proc. Ent. Soc, Wash., I, 157, 1889. 

 IV. diva, Riley, Proc. Ent. Soc, Wash., I., 158, 1889. 

 Genus Sim^this, Leach. 



Leach, in Sam. Comp., 254, 1819 ; Brenthia, Clem., Proc. Acad. Nat. 

 Sci., Phil., i860, 172. 



S. vicarilis, Zell., Verh., Zool.-Bot. Ges., Wien., XXV., 322, 1875. 



S. pavonacella, Clem., Proc. Acad. Nat. Sci., XIL, 172, i860 ; Wals., 

 Proc. Zool. Soc, Lond., 1897, 120 (references). 



Lord Walsingham recognizes the genus Brenthia for this species, but 

 it seems to me to fall in Simaethis. The other species of Brenthia fall in 

 Choreutis. 



(To be continued.) 



