Chamherlin — North American Spiders of Gnaphosidae. 161 



Rachodrassus chera, sp. nov. 



Female. — Carapace and legs light brown, the sternum more yellow. 

 Abdomen above greyish yellow with a faint darker spot at base and incom- 

 pletely developed chevrons behind. Met. I and II with two pairs of spines. 

 Tibia I and II with two pairs and one single spine below, the single spine 

 distal. 



Length, 6 mm.; cephalothorax, 2.5 mm.; tib. + pat. IV, 2.5 mm. 



Holotype.—M. C. Z. 601 ( 9 )• 



Locality. — Ky.: near Mammoth Cave. 



Haplodrassus, gen. nov. 



In addition to characters noted in the key, it may be mentioned that the 

 bulb of the male palpus has a well-developed median ventral apophysis 

 and also an ectal one. Posterior median eyes large, oblique, and near to- 

 gether. 



Genotype. — H. hiemalis (Emerton) 



Haplodrassus hiemalis (Emerton). 

 Trans. Conn. Acad., 1909, 14, p. 218, pi. 9, f. 1. 



Cotypes.—M. C. Z. 686 ( 9 ) and 687 (cf). 



Distribution. — N. H.: Lake Winnepesaukee, Three-mile Id. (type loc); 

 Mass.; Vt.; N. Y.; Newfoundland. 



Haplodrassus taibo (Chamberlin). 

 Zelotes taibo ChamberUn, Jour. Ent. and Zool., 1919 (adv. reprint), and 

 1920, 12, p. 6, pi. 2, f. 5. 



Holotype.—M. C. Z. 367 ( 9 ). 

 Locality. — Cal.: Claremont. 



Haplodrassus barber! (Banks). 

 Prosthesima barberi Banks, Proc. U. S. N. M., 1902, 25, p. 212. 



Cotypes.— V.S.N. M. (9). 

 Locality. — Ariz.: Williams. 



Placed in the genus with some doubt as the types have not been exam- 

 ined. 



Haplodrassus bicornis (Emerton). 

 Drassus bicornis Emerton, Trans. Conn. Acad., 1909, 14, p. 218, pi. 9, f. 2. 



Cotypes.—M. C. Z. 584 ( 9 ) and 585 (c?)- 



Locality. — N. H.: Lake Winnepesaukee, Three-mile Id. 



Haplodrassus mimus, sp. nov. 



Female. — Carapace fulvous, dusky anteriorly, the sternum and legs 

 similar but more yellow. Abdomen grey. Posterior row of eyes distinctly 

 procurved; median eyes large, separated by less than one-third the long 

 diameter, two-thirds that diameter from the laterals. Lateral eyes sepa- 

 rated by about the radius of the anterior one. Met. I and II with a pair of 



