212 PROCEEDIXas OF THE NATIONAL MUSEUM. vol xxv. 



Family PHOLCID.E. 



PSILOCHORUS PULLULUS Hentz. 



Pfiolcm pnllulm Hentz, Journ. Bost. 8oe. Nat. Hist., VI, 1850, p. 282. 



Several tfpecinien.s from Williams, Jul}' 4, 9-15, and lit. A specimen, 

 June 14, has an egg mass of about 25 eggs, rather Ibosely attached 

 together. 



Family DRASSID.F.. 



DRASSUS COLORADENSIS Emerton. 



Drofisus rolonuhnsis Emerton, Bull. U. !>. (ieol. Surv. Terr., HI. Pt. 2, 1877, 

 1). 528. 



One female specimen, which I think ])eIongs to this species, from 

 Williams, June 9-15. A tigure is given of the vulva. 



DRASSODES. sp. 



An immature specimen from Williams, Jime 9-15. 



HERPYLLUS ECCLESIASTICUS Hentz. 

 Herpyllus rrdeftiasticus Hentz, Journ. Best. 8oc. Nat Hint., V, 1847, p. 455. 

 A few females from Williams, June 9-15 and May 25. 



PROSTHESIMA BARBERl, new species. 



Cephalothorax and sternum pale browmish, or ratlier reddish yellow, 

 darker in front; mandibles red-l)row^n; legs somewhat paler than the 

 cephalothorax; abdomen nearly uniform gray above and below; region 

 of epigynum reddish brown. Cephalothorax not very long but much 

 narrowed in front; mandibles rather prominent; legs somewhat shorter 

 than usual; sternum one and one-fourth longer than broad, broadest 

 at middle, pointed behind; abdomen depressed, truncate at base, with 

 tufts of hairs, one and two-thirds as long as })road, pointed behind; 

 spinnerets prominent. Posterior e^^e-row nearly straight, but little 

 longer than anterior row; posterior middle eves oval, less than one- 

 half their diameter apart, fully diameter from rather larger posterior 

 side eyes; anterior middle e3"es smaller, about diameter apart, not so 

 far from the large anterior side eyes, which are about their diameter 

 from the equal posterior side eyes; quadrangle of middle e3^es higher 

 than broad and broader behind than in front; no spurs under tibiae I 

 and II, a pair toward ))ase on these metatarsi. 



Length, 6 mm. 



Several specimens, Williams, in May and June, and Winslow, July 

 21. One, May 29, has an egg-cocoon, w^hich is of the usual shape, 

 with a plain covering, devoid of any foreign substance, and contains 

 about 80 eggs. 



