570 rROCEEDINGS OF THE ACADEMY OF [NoV.^ 



tioD. Las Vegas Hot Springs (collection by Cockerell) is more 

 decidedly Transition. 



(6) Santa Fe (collections by Cockerell) is Transition. Altitude 

 7, 000 feet. 



(7) Beulah, Sapello Caiion (collections by Cockerell), is in the 

 Las Vegas range, and has an altitude of about 8,000 feet. This 

 belongs to the Canadian zone; the only other arachnids of this 

 zoae listed are some from the White Mountains. 



(8) Top of range between the Sapello and Pecos rivers, about 

 11,000 feet; collection by Cockerell. This belongs to the Hud- 

 sonian zone. 



THERAPHOSID^. 



Eurypelma steindachneri Ausserer. 



Eurypclma steindacJinei'i Ansaerev, Yerh. zool.-bot. Ges. Wien, 1875, 

 p. 199. 



A male and young female, collected by Prof. Townsend, without 



definite locality. Mr. Cockerell states that it is common in the 



Mesilla Valley. 



Pachylomerus modestus "• sp. 



Cephalothorax and mandibles shining black; abdomen dull 

 black above, no markings; sternum and coxse yellow-brown; legs 

 blackish, tarsi paler; tibia and tarsus of palpus pale; spinnerets 

 pale. Cephalothorax broad, truncate in front, surface finely and 

 uniformly granulate, from the eye-region backward there are two 

 submedian lines. Posterior eye-row procurved; the P. M.E. fully 

 three times their diameter apart, and touching the slightly larger 

 P.S.E. ; anterior eye-row strongly procurved, the A. M.E. equal 

 to the P.M.E., rather more than their diameter apart, closer to 

 the much larger A.S.E. Dorsum of abdomen corrugate. Tibia 

 of male palpus about three and one-half times as long as broad, 

 somewhat swollen below at base, palpal organ of usual form, the 

 stvlet very long, curved before middle and again at tip. Eight 

 short spines in the inner row on the inner side of tibia L 



Length 12 mm. 



One male, collected by Townsend, probably near Las Cruces.] 



FILISTATIDJE. 

 Filistata Mbernalis Hentz. 



Filistata Mbernalis Hentz, Jour. Bost. Soc. N. H., IV, p. 237 (1843). 

 Several females from Albuquerque (Soltau), and two males 



