Chamberlin — North American Spiders of Gnaphosidae. 151 



Herpyllus angustus Banks. 

 Proc. Cal. Acad., 1904, ser. 3, Zool., 3, p. 331, pi. 40, f. 43. 



Hohtype—M. C. Z. 671 (d^). 



Distribution. — Cal.: San Pedro (type loc), Claremont. 



PoECiLOCHROA Westring. 

 Guteb. Handl. (n. s.), 1874, 14, p. 42. 

 Genotype. — P. variana (C. Koch). 



Poecilochroa montana Emerton. 



Trans. Conn. Acad., 1890, 8, p. 175, pi. 4, f. 2, 2a. 



fDrassus hunterae Blackwall, Ann. Mag. Nat. Hist., 1871, ser. 4, 8, p. 432. 



nee Poecilochroa montana Emerton, Trans. Conn. Acad., 1909, 14, p. 217, 



pi. 9, f. 4, 4a, 4b. 

 Poecilockroa padfica Banks, Jour. N. Y. Ent. Soc, 1896, 4, p. 89. 



Holotype.—M. C. Z. 699 ( 9 )• 



Distribution. — New Hampshire: Mt. Washington (type loc); N. Y.; 

 Idaho; Wash.; Cal.; Quebec; Montreal. 



Poecilochroa columbiana Emerton. 

 Can. Ent., 1917, p. 269, f. 21. 



Cotypes.—M. C. Z. 700 (d^ 9 ). 



Distribution. — B. C: Departure Bay (type loc); Washington; Yakima 

 River (S. Henshaw, 1882), Olympia. 



Sergiolus Simon. 

 Proc. Zool. Soc. London, 1891, p. 573; Hist. Nat. Araign., I, 1893, p. 374. 



Genotype. — S. variegatus (Hentz). 



It is questionable whether this genus can be maintained apart from 

 Poecilochroa with which it agrees closely in most structural features. It is 

 retained tentatively on the basis of the characters given in the key. 



Sergiolus variegatus (Hentz). 



Herpylus variegatus Hentz, Jour. Bost. Sco. N. H., 1847, 5, p. 456, pi. 24, 



f. 12; Spiders U. S., 1875, p. 94, pi. II, f. 12. 

 Poecilochroa variegata Emerton, Trans. Conn. Acad., 1889, 8, p. 174, pi. 



4. f. 1; Common Spiders, 1902, p. 4., f. 9-11. 

 Sergiolus variegatus Simon, Proc. Zool. Soc. Lond., 1891, p. 573. 



Distribution. — Mass. (type loc.) and other New England States; New 

 York; Ohio; Indiana; Illinois. 



Sergiolus decipiens, sp. nov. 



Male. — Color essentially as in S. variegatus. Uniformly smaller than 

 that species, with the posterior row of eyes less recurved and the lateral 

 eyes on each side thus nearer together. Easily separable by form of tibial 

 apophysis of palpus which near its distal end is ridged transversely, the 



