1901.] NATURAL SCIENCES OF PHILADELPIHA. 571 



from Prof. Townsend, without definite locality. The male (as T. 

 capitata) is recorded by Dr. Marx. 



SOYTODIDJE. 



Scytodes thoracioa (Latrcilk). 



Aranea tJioracicn Latreille, Tabl. Meth. ties Ins , p. 134 (1804). 

 Dr. Marx identifies this among material sent him by Prof. 

 Townsend. 



Loxosceles unicolor Kcyserling. 



Loxosceles unicolor K^jsevMng, Verb, zool.-bot. Ges. Wien, 1887, p. 474. 

 Described from New Mexico, and I have one specimen collected 

 by Prof. Townsend; also recorded by Dr. Marx. 



PHOLOID^. 

 Psilochorus puUulus (Hentz). 



Therkllon puUtilum Hentz, Jour. Bost. Soc. N. H., VI, p. 282 (1850). 

 Pholcus coriiutus Keyserling, Verb, zool.-bot. Ges. Wien, 1887, p. 208. 



Two males from Albuquerque; the species appears to be moder- 

 ately common in the Southwest. 



Physocyclus globosus (Taczanowski). 



Pholms globosus Taczanowski, Horsse Soc. Entom. Ross., Vol. X, p. 105 



(1874). 

 Pholcus gibbosus Keyserling, Verb, zool.-bot. Ges. Wien, 1877, p. 208. 



One female from Mesilla Park, April; young from Las Cruces. 



DRASSID.,^. 

 Prosthesima atra (Hentz). 



Berpyllus atra Hentz, Jour. Bost. Soc. N. H., V, p. 455 (1846). 

 Several examples from Albuquerque (Soltau) and from first 

 Ruidoso camp, Eagle creek, White Mountains, third week in 

 August. 



Prosthesima cockerelli u. sp. 



Cephalothorax nearly uniform pale yellowish-brown, a black 

 marginal line and around anterior eyes black; the mandibles and 

 sternum more red-brown; the legs pale yellow-brown, the tibise 

 and beyond of anterior legs* more red -brown; abdomen gray 

 above, blackish on sides and behind, below more yellowish; 

 spinnerets pale; epigynum red-brown; the male with a yellow 

 shield on base of abdomen above. The cephalothorax is quite 

 narrow in front; posterior eye-row nearly straight; P.M.E. 



