374 BULLETIN 44, UNITED STATES NATIONAL MUSEUM. 



Genus YRIAS Gn. 

 1852. Gu., Spec. Gen., Noct., in, 21. 



Y. clientis Grt.» 



1882. Grt., Can. Ent., xiv, 236, Yrias. 



Habitat. — Arizona. 



Types are iu the Neumoegen collection and in the iN'ational Museum. 



Y, volucris Grt. 



1883. Grt., Can. Ent., xv, 3, Yrias. 



Habitat. — Arizona. 



The type is with Mr. Neumoegen. 



Y. repentis Grt.* 



1881. Grt., Papilio, i, 165, Homopyralis. 



1882. Grt., Can. Ent., xiv, 234, Yriaa. 



Habitat. — Arizona. 



The type is with Mr. Feunicegen. 



Y. crudelis Grt.* 



1882. Grt., Can. Ent., xiv, 237, Yrias. 



Habitat. — Arizona; Texas, in March : California. 



A type is with Mr. Neuiucegen; another in the National Museum. 



Genus HOMOPYRALIS Grt. 

 1874. Grt., Proc. Ac. Nat. Sci. miil., 213. 



H. disc alls Grt.* 



1876. Grt., Can. Ent., viii, 206, Homopyralis. 



Habitat. — Canada; Northern, Middle and Central States; New 

 Mexico; June to August in New York. 

 The type is in the British Museum. 



H. contracta Wlk.* 



1860. Wlk., Can. Nat. and Geol., V, 258, Eomopiera. 

 1865. Bethune, Canadian .Journal, x, 258, Homopicra. 



1877. Grt., Can. Ent., ix, 22>,= Homopyralis tactiis. 

 zonata Wlk. 



1865. Wlk., C. B. Mus., Ilet., xxxiir, 878, Homoptcra. 



iactus Grt. 

 1874. Grt., Proc. Ac. Nat. Sci. Phil., 1874, 213, Homopyralis. 

 1877. Grt., Can. Ent., ix, 28, pr. syn. 



Habitat. — Canada to Florida, to Texas; northern range in June and 

 Jnly; District of Columbia in August; Delaware in June. 



The types of zonata and tactus are in the British Museum, and these 

 are undoubtedly alike, specifically. Mr. Grote refers contracta posi- ■ 



lively to tactm, but continues to use his own specific name. The type ■ 



of contracta is in the collection of the Entomological Society of On- ^ 



tario. 



