Chamherlin — North American Spiders of Gnaphosidae. 163 



Locality. — California: Claremont. • 



In structure of palpal organ of male identical, or nearly so, with the pre- 

 ceding species, H. signifer. It is a smaller and lighter form of which the 

 female is not yet known. Its precise relationship to signifer can not as 

 yet be certainly determined. 



(.Irodrassus, gen. nov. 

 Genotype. — 0. coloradensis (Emerton). 



Orodrassus coloradensis (Emerton). 



Drassus coloradensis Emerton, Bull. U. S. Geol. Survey, 1877, 3, p. 528. 

 Teminius continentalis Keyserling, Verh. zool.-bot. Ges. Wien, 1887, p. 423, 



f. 2. 

 Drassodes melius Chamherlin, Ann. Ent. Soc. Am., 1919, 12, p. 246, pi. 16, 



f. 4, 5. 



Distribution. — Colorado (type loc); Utah. 



Orodrassus assimilis (Banks). 

 Drassus assimilis Banks, Ann. N. Y. Acad., 1895, 8, p. 420. 



Holotype.—M. C. Z. 689 id')- 

 Locality. — Colorado: Ft. Collins. 



Orodrassus vastus (Banks). 

 Drassus vastus Banks, Trans. Am. Ent. Soc, 1896, 23, p. 63. 



Locality. — Wash.: Olympia (type loc). 



The type of this species can not at present be located, but it seems to be 

 unquestionably close to coloradensis. 



Zelotes Gistl. 

 Naturg. 1848, p. 9. 



Mekmophora C. Koch, in Schaeffer, Deutsch, Ins. Arach., 1833, 120, 20-23, 

 Prosthesima L. Koch, Abh. Nat. Ges. Nurnberg, 1872, 6, p. 139. 

 Genotype. — Z. subterreaneus (C. Koch). 



Zelotes subterreaneus (C. Koch). 

 Melannphora subterreanea C. Koch, Die Arachn., 1839, 6, p. 85, pi. 201, f. 



491, 492. 

 Herpyllus ater Hentz, Amer. Jour. Sci., 1832, 21, p. 102; Jour. Boston Soc. 



N. H., 1847, 5, p. 455, pi. 24, f. 3; Spiders U. S., 1875, p. 91, pi. II, f. 3. 

 Prosthesima melancholica Thorell, Bull. U. S. Geol. Survey, 1877, 3, p. 493. 

 Prosthesima atra Emerton, Trans. Conn. Acad., 1889, 8, p. 172, pi. 3, f. 6; 



Common Spiders, 1902, p. 5, f. 14, 15, 16. 

 Zelotes ater Comstock, Spider Book, 1912, p. 316. 

 Zelotes fratris Chamherlin, Can. Ent., 1920, 52, p. 193, f. 18, 1 & 2. (var.). 



Distribution. — Eastern U. S., both north and south, and westward to 

 Utah and Washington but not as yet found in California where it seems 

 to be displaced by other species. It is a common species in Europe. 



