168 Proceedings of the Biological Society of Washington. 



Drassyllus blandus (Banks). 



Prosthesima blanda Banks, Proc. Acad. Phil. 1892, p. 18, pi. I, f. 57. 



Prosthesima minima Banks, ibid., p. 19, pi. 4, f. 89. 



nee Prosthesima blanda Banks, Proc. Acad. Phil., 1901, p. 572. 



Holotype.—M. C. Z. 713 (d^). 

 Locality. — N. Y.: Ithaca. 



Drassyllus frigidus (Banks). 



Prosthesima frigida Banks, Proc. Acad. PhiL, 1892, p. 17, pi. I, f. 56. 

 Prosthesima nova Banks, Jour. N. Y. Ent. Soc, 1895, 3, p. 78. 



Coty-pes.—M. C. Z. 714 (cf) and 715 ( 9 )• 



Distribution. — N. Y.: Ithaca (type loc). Sea Cliflf; Penn.; Va. 



Drassyllus virginianus, sp. nov. 



Female. — Carapace chestnut, the sternum and legs somewhat lighter. 

 Posterior row of eyes but little procurved; median eyes larger, oblique, 

 one-fourth their lesser diameter apart, three-fourths that diameter from 

 the laterals. Lateral eyes separated by the radius of a posterior one. 

 Met. I and II with a pair of spines. Tib. I and II unarmed. Upper margin 

 of furrow of chelicera with five teeth, the lower with three. Epigynum 

 with a wide, transverse chitinous rim anteriorly; cavity narrowest at caudal 

 end; septum narrowest at its middle. 



Length, 7.5 mm.; cephalothorax, 3.1 mm.; tib. + pat. IV, 3.75 mm. 



Holotype.—M. C. Z., 581 ( 9 )• 



Distribution. — Va.: Falls Church (type loc). Great Falls; N. Y.: Sea Cliff. 



Drassyllus lepidus (Banks). 



Megamyrmecion lepidum Banks, Proc. Wash. Ent. Soc, 1899, 4, p. 190. 

 Drassinella lepida Banks, Bull. U. S. N. M., 1910, no. 72, p. 8. 



• Holotype.—M. C. Z. 715 ( 9 )• 

 Locality. — La. : Shreveport. 



Drassyllus louisianus, sp. nov. 



Female. — Carapace and legs fulvous, the under parts more yellowish. 

 Abdomen dark grey above, darker caudally, the venter lighter grey. All 

 eyes of posterior row close together, each adjoining two separated by less 

 than half the radius of an eye; median eyes large and oblique. Met. I and 

 II with a pair of spines. Tib. I and II unarmed. Upper margin of furrow 

 of chelicera with four teeth, the lower with three. Epigynum with a trans- 

 verse anterior rim; septal plate completely filling depression or nearly so, 

 expanded transversely behind, the lateral ends of expanded part covered. 



Length, 7 mm.; cephalothorax, 2.5 mm.; tib. -|- pat. IV, 2.9 mm. 



Holotype.—M. C. Z. 579 ( 9 )• 



Locality. — La.: Baton Rouge. 



Drassyllus apachus, sp. nov. 



Female. — Carapace dusky light brown to nearly black. Sternum and 

 legs yellowish, the latter dusky proximally. Abdomen dark grey or black- 



