24 THE CANADIAN ENTOMOLOGIST. 



Genus Hemileuca Walk. 

 Type : Boinbyx Main Drury. 

 ?^ Eiicroiiia Pack. 

 Maia Drury. 



Var. Nevadensis Stretch. 

 Grotei Hopffcr. 



Juno Pack. 



Diana Pack. 



v^ Eiileucophaeus Pack. 

 Yavapai Neuin. 

 Tricolor Pack. 

 Sororius Hy. Edw. 



Genus Argyrauges Gr. 



Type : Euleuc. Nenmoe^eiii Hy. Edw. 

 Neumoegeni Hy. F^chv. 



In the foregoing list the sign indicates that T have not examined 



the species. 



TORNOS EUPETHECIARIA, \\. S. 



Male and female. Very small, light, whitish gray. Male antennae 

 pectinate ; female simple. Faint discal mark on primaries, which have a 

 subterminal shade line and traces of others, very faint. Secondaries whit- 

 ish, marked on internal margin, with fine black terminal line and white 

 fringe. Beneath whitish with faint discal mark on primaries. Expanse, 

 male, 17 mil.; female, 16 mil. The female is more gray and fainter 

 marked. Arizona. 



ToRNOS Pygmeolaria. 



Male and female. Blackish gray ; lines and dots almost imperceptible. 

 Hind wings fuscous with white fringes. Beneath pale with faint discal 

 dots on both wings. The female has the disk of secondaries paler and 

 the discal dots on both Avings more evident. Arizona. Expanse, male 

 18 mil., female 19 mil. 



These small Geometrids may be known from their inconspicuous mark- 

 ings, and by the pectinate male antenna; may be separated from small 

 Eupethecia:, which they resemble. I have taken Tornos in Alabama ; the 

 abdomen is curled uj) over the thorax in repose. T. Escaria, female, 

 expands 30 mil., and another female 28 mil: the male 26 mil. Several 



