162 BULLETIN 44, UNITED STATES NATIONAL MUSEUM. 



O. major Grt.* 



1880. Grt., Papilio, i, 33, Oncocnemis. 



1889. Smith, Trans. Am. Eut. Soc., xvi, 344, Oncocnemis. 

 aqualis Grt. 



1881. Grt., Papilio, i, 33, Oncocnemis. 



1889. Smith, Trims. Am. Ent. Soc., xvi, 34f>, Oncocnemis. 



citrrii'oUiK Gr<r. 



1883. Grt., Can. Ent., xv, 10, Oncocnemis 

 1SS9. Smith. Trans. Am. Ent. Soc., xvi. 311, pr. syn. 



HABITAT. Arizona; Colorado, Salida in -Inly; California. 



Types of major are in the Neunnegen collection and in the British 

 Museum. The types of ciirvicollis are in the National Museum and 

 in the Neuinoagen and Graef collections and have been already re- 

 ferred to major by me. The type of aqualis is in the British Museum, 

 and is also the same as major; it is smaller, and the dashes in the s. t. 

 space are not interrupted; but this is a variable character, and in the 

 type of major in the Museum, they are barely to be termed interrupted. 

 The British Museum types both of major and aqualis are females. 



O. oblita Grt. 

 1877. Grt., Bull. Geol. Surv v in, 117, Oncocnemis. 



HABITAT. Nevada. 



The type is in the British Museum. It agrees well with the descrip- 

 tion, but does not seem to be an Oncocnemis; at least I can not make 

 out a claw to the fore tibia. 1 have seen the species without recognizing 

 it. Mr. Grote states positively "Fore tibia? with a short claw," and as 

 it is possible that the type specimen has become defective, 1 can not at 

 present dispute the reference. 



O. cibalis Grt.* 



1880. Grt., Can. Ent., xn, 244, Oncocnemis. 



HABITAT. Colorado in October. 

 The type is with Mr. Graef. 



O. gracillima Grt.* 



1881. Grt., Can. Ent., xin, 231, Oncocnemis. 



HABITAT. Arizona. 



The type is with Mr. Nenimegen. 



O. atricollaris Harv.* 



1874. Harv., Bull. Buff. Soc. Nat. Sci.,n, 273, Homoliadena. 



1875. Morr., Can. Ent., vii, 91, CopiJiadena. 



1875. Grt., Bull. Buff. Soc. Nat. Sci., in, 73, Oncocnemis. 

 1877. Grt., Bull. Geol. Surv., in, 117, Oncocnemis. 

 1881. Grt., Papilio, I, 34, Oncocnemis. 



HABITAT. Texas in March and May; Arizona; Colorado in August. 

 I have not seen the type, nor have I been able to find where it is. 



