the' CANADIAN ENTOMOLOGIST. 123 



apical, in\vardly oblique shade, edged with pale. The fawn color spreads 

 over apical region and obtains at base and over middle of wing. The 

 interlined fringes are dotted black and white. The lines are obsolete ; 

 costal marks distinct ; veins dotted. A subterminal brownish shade fol- 

 lowed by l)lackish, especially at anal angle. Hind wings pale fuscous. 

 Washington Territory (coll. by Mr. Morrison). 



Ypsia Undularis. 



I have been unable to find any sjjinules on the tibice of this species. 



Ypsia Umbrina. 



In this species (Pheocynia iniibri/ia) the tibire are also unarmed. 



HOMOPTERA UnILINEATA. 



In this species the middle and hind tibia; are spinose. 



Matigramma Rubrosuffusa. 



In this species the middle tibite alone are spinose, and strongly so. 



HOMOPYRALIS MiSERULATA. 



In this species the slender tibias are unarmed. 



Petrophora Excurvata, n. s. 



This species may be known by the markings being more distinct 

 beneath, where the wings are crossed at the middle by a deep brown band 

 filling in the outer median space between the median shade and the outer 

 median line, the latter darker, pointed opposite the cell on fore wings and 

 roundedly exserted in the same place on secondaries. A subterminal 

 series of scalloped brown shades edged with pale outwardly. Fringes 

 checkered. Fore wings with pointed apices ; hind wings produced 

 medially ; the fringe has a dark even line at base. Above, these markings 

 are more faintly reproduced ; the s. t. line pale ; the outer median line 

 notched below costa, followed by a pale line. Beneath there are small 

 linear discal marks on both wings. One specimen. Colorado, Coll. B. 

 Neumoegen, Esq. Expanse 27 mil. 



Petrophora Mirabilata, n. s. 



Allied to Hersiliata. Thorax and base of fore wings carneous gray ; 

 abdomen whitish. A sub-basal bright fleshy-brown band angulated on its 

 outer edge on submedian fold. Median space blackish gray, straightly 

 limited outwardly, narrowed on submedian fold by the tooth of the iiliier 

 line, widest at costa, crossed by indistinct dark lines, followed by a broad 

 clear fleshy-brown band edged with white outside of the outer median 



