1901.] NATURAL SCIENCES OF PHILADELPHIA. 585 



Ebo mezioana Banks. 



BJbo mexicaaa Banks, Proc. Calif. Acad. Sci., 3d Ser., Zool., Vol. I, p. 

 265 (1898). 



Several sj^ecimeas from Mesilla Park, January. Among them 

 is the male, not previously known; it is a little smaller than the 

 female, but marked like it. Previously recorded only from Her- 

 mosillo, Mex., but I have some specimens from El Paso, Tex. 



Thanatus coloradensis KcysLTlin.u:. 



Thanatus coloradensis Keyserling, Die Spinn. Amer., I, La'terigradse, 

 p. 206 (1880). 



A pair from Las Cruces (Townsend). Readily separated from 

 T. 7'ubicundm by the fact that the eyes of the anterior row are of 

 equal size; in the latter species the side eyes are much larger than 

 the median ones. 



Thanatus rubicundus Keyscrlius. 



Thanatus rubicundus Keyserling, Die Spinn. Amer., I, p. 204 (1880). 

 Two specimens from Beulah. 



Tibellus duttoni (Heutz). 



Thomisua duttoni Hentz, Jour. Best. See. N". H., V., p. 488 (1846). 

 Several specimens from Albuquerque (Soltau),'"ancl^Mesilla Park 

 and Beulah (Cockerell) ; young from Las Vegas. 



PMlodromus alaskensis Keyserling. 



Philodromus alaskensis Keyserling, Verb, zool.-bot. Ges. Wien, 1883, 

 p. 674. 



An immature specimen from Las Vegas (Cockerell). 



Philodromus spectabilis Keyserling. 



Philodromus spectabilis Keyserling, Die Spinn. Amer., I, p. 210 (1880). 

 ^ Several specimens, mostly immature, from Mesilla Park, in 

 January. 



Philodromus inquisitor Thorell. 



Philodromus inquisitor Thorell, Bull. U. S. Geol. Surv. Terr., Ill, 2, 

 p. 502 (1877). 



One female from top of Las Vegas range, 11,000 feet, last week 

 in June. 



SPARASSID^. 

 Olios fasoiculatus Simon.' 



Olios fasciculatus ^imoxi, Act. Soc.Linn. Bord., XXXIV, p. 307 (1880). 

 Olios giganteus Keyserling, Verb, zool.-bot. Ges. Wien, 1883, p. 681. 



xin immature specimen from La Cueva, Organ Mountains, Sep- 

 tember. 



