Zool.-Vol. I.] BANKS— MEXICAN ARACHNIDA. 279 



once and one-fourth as long as broad, blunt pointed behind. Epigynum 

 shows a cavity broader than long, limited on sides and behind by a black 

 ridge and divided by a pale septum. 



Four specimens; El Taste. 



264. Oxyopes acutus, sp. nov. 



Plate XVII, Fig. 27. 



Length 7 mm. Cephalothorax dull yellowish, thickly clothed with white 

 scales, as also rest of body; eye-region black, a brown stripe each side above 

 not reaching to the posterior margin, and one each side on the clypeus ex- 

 tending down upon the mandibles; sternum pale; legs pale at base, darker 

 on tibiae, metatarsi, and tips of the femora; abdomen pale grayish, a spear- 

 mark at base, and an irregular dark stripe more or less distinct on each 

 upper side reaching from base to tip; venter with a broad brown stripe from 

 base to spinnerets. Cephalothorax high, highest in the eye-region, concave 

 from there to dorsal groove; P. M. E. hardly three times their diameter apart; 

 a few curved bristles each side of eye-region. Legs as usual, spines very 

 long; sternum plainly longer than broad. Abdomen about once and two- 

 thirds as long as broad in $ , contracted near tip, ending in a quite acute 

 point; in a young <5 it is two and a third times as long as broad. 



Young specimens from La Chuparosa, Sierra Laguna, 

 and Hermosillo; adult female from California. 



PODOPHTHALMID^. 



265. Podophthalma, sp.? — Several broken specimens 

 without locality. 



ATTID^E. 



266. Phidippus arizonensis Peck. — Two females from 

 Agua Caliente, and one from Tepic, belong to this species. 

 The abdomen is red above, a basal white band, a median 

 white spot followed by a black stripe to the tip, an inter- 

 rupted, curved white band, and two spots before the tip, 

 and an oblique white band each side, near the middle. 



