588 PROCEEDINGS OF THE ACADEMY OF [NoV. , 



the e<jual P.iS. E. ; eyes of second row larger than P.M.E., 

 about twice their diameter apart, closer to the P.S.E. ; eyes of 

 first row very small, and directly below the second row. Abdo- 

 men rather short, and acute at tip. Legs of moderate length. 



Length 7 mm. 



One specimen from Albuquerque (Soltau). 

 Hamalatiwa grisea Keyscrling. 



Hmnalatiwa grisea Keyserling, Verb, zool.-bot. Ges. Wien, 1887, p. 458. 



Dr. Marx determined this in the material Prof. Townsend sent 

 him. 



ATTIDJE. 

 Phidippus opifex McCook. 



Phklippus opifex McCook, Proc. Acad. Xat. Sci. Phila., 1878, p. 276. 

 One male from Las Graces. Parncenu.s (?) grv^em Peckham, 

 recently described from the same locality, is probably this species. 

 Phidippus bicolor Keyserling. 



Phidippus bicolor Keyserling, Verb, zool.-bot. Ges. Wieo, 1884, p. 496. 

 Phidippus ardens Peckham, Trans, Wise. Acad. Sci., XIII, 288 (1901). 

 Phidijypus ealifornicus Peckhaiu, ibid., p. 289. 



A few specimens from Las Cruces, September 6; La Cueva, 

 August; Fillmore Caiion (near the falls), Organ Mountains; 

 White Mountains, September 11; and limestone ledges by Gallinas 

 river near Las Vegas. I have also seen the species from Arizona 

 (Yuma). Peckham describes the sexes as separate species, although 

 noting the possibility of their identity. Keyserling' s specimen 

 came from Utah. 



Phidippus comatus Peckham. 



Phidippus comatus Peckbaru, Trans. Wise. Acad. Sci., XIII, p. 291 

 (1901). 



Described from Las Vegas. 

 Phidippus tyrellii iVckham. 



Phidippus tyrellii Peckbani, Trans. Wise. Acad. Sci., XIII, 296 (1901). 



A few specimens from Beulah, August, and Eagle creek. White 

 Mountains. A very pretty species in the male sex. I also have 

 it from Bear, Idaho. 

 Dendryphantes ootavus (Hcntz). 



Attus oetmuH Hentz, Jour. Best. Soc. X. H., V, p. 365 (1846). 



Several specimens from Las Cruces (Cockerell) and first Ruidoso 

 camp. White Mountains, latter half of July. 



