170 Proceedings of the Biological Society of Washington. 



of spines. Tib. I unarmed; II with 1 o;- 2 spines at middle and one at base. 

 Tib. + pat. I longer than c^phalotliorax. Tibial apophysis of palpus 

 straight; median ventral apophysis of bulb long, distally slender, extending 

 well beyond anterior margin of alveolus. 



Length, 5.37 mm.; cephalothorax, 2.25 mm.; tib. + pat. IV, 2.66 mm. 



Holotype.—M. C. Z. 592 (cT). 



Locality. — Texas: Austin. 



Drassyllus niger (Banks). 

 Prosthesima niger Banks, Trans. Am. Ent. Soc, 1896, p. 62; Proc. Wash. 

 Acad., 1900, 2, p. 478. 



Cotypes.—M.C.Z.718i9)- 



Drassyllus aprilinus (Banks). 

 Zelotes aprilinus Banks, Jour. N. Y. Ent. Soc, 1904, 12, p. 110, pi. 5, f. 7. 



Holotype.—M. C. Z. 719 ( ? ). 



Distribution.— Md.: Chevy Chase (type loc); D. C: Washington; 

 Ala.;N. Y.: Sea Cliff. 



Drassyllus femoralis (Banks). 

 Zelotes Jemoralis Banks, Proc. Cal. Acad., 1904, ser. 3, 3, p. 336, pi. 38, f. 1. 



Holotype.—M. C. Z. 720 ( 9 )• 



Distribution. — Cal.: Claremont (type loc); Fla.: Altoona; Va.: Falls 

 Church. 



Drassyllus liopus, sp. nov. 



Male. — Cephalothorax and legs fulvous. Abdomen light grey, the 

 scutum small, orange. Posterior row of eyes essentially straight; eyes close 

 together, less than their radius apart, medians the larger. Met. I unarmed 

 or with one spine; II with three spines. Tib. I and II unarmed. Upper 

 margin of furrow of chelicera with five teeth, the lower with three. Tibial 

 apophysis of palpus much shorter than tibia, its upper distal angle not pro- 

 longed; embolus mostly concealed. 



Length 8 mm.; cephalothorax 3.4 mm.; tib. + pat. IV, 4.16 mm. 



Holotype.—M. C. Z. 593 (c?). 



Locality. — Texas: Austin (type loc); Va.: Falls Church. 



Drassyllus irritans (Chamberlin). 

 Zelotes irritans Chamberlin, Jour. Ent. and Zool., 1919 (adv. reprint), and 

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



Holotype.—M. C. Z. 366 (cf )• 



Distribution. — Cal.: Claremont (type loc); Santa Cruz Id.; Sacramento. 

 The specimens from Santa Cruz Id. present certain differences but these 

 seem not to be of specific value. 



Drassyllus proclesis, sp. nov. 

 Male. — Carapace and legs testaceous, the sternum more yellowish. 

 Abdomen grey, the scutum at base testaceous. Eye rows equal in length. 



