CHAMBERLIN: THE ARACHNIDA. 201 
Female (Urubamba). Length,37 mm. Length of cephalothorax, 
15.8 mm.; width, 13.1 mm. (In a female from Cuzco Valley the 
cephalothorax is proportionately broader, the ratio of length and 
breadth being 16:14.3). 
fem. tib.+-pat. met. tar. total 
Leg I 11.8mm. 15.3 mm. 7.5mm. 5.6mm. 40.2 mm. 
Leg II 11.0 13.0 irl ate 36.4 
Leg III 10.0 11.8 8.8 ae 36.1 
Leg IV 12.5 15.5 13.0 6.4 47.4 
Localtties.— Cuzco Valley. (Type, M. C. Z. 142, one male; para- 
type, M. C. Z. 148, one female) E. D. Flint coll. Urubamba, 9,500 
feet, July. (M. C. Z. 144, one female). 
HEMIRRHAGUS sp. 
Locality — Urubamba, 9,500 feet, July. (M. C. Z. 326, several 
immature females). 
EuRYPELMA AYMARA,! sp. nov. 
Integument of carapace when dry- black or nearly so, when wet 
appearing of slight chestnut tinge. Sternum chestnut, darker cepha- 
lad. Labium nearly black. Endites chestnut. Legs proximally 
blackish like the carapace, becoming slightly more chestnut distad. 
Carapace clothed with a coat of sandy grey and light brown hair 
of a golden lustre. Hair of femora dusky brown of rufous tinge, that 
of more distal joints with a larger proportion of grey intermixed; 
bristles numerous and long, of rufous or rust color proximally, paler, 
greyish yellow distad. Hair of venter of abdomen brown and black 
intermixed, chiefly the latter. Dorsum with a thick coat of long 
rufous bristles. 
Pars cephalica moderately high, highest a little caudad of eye- 
tubercle. 
Eye-tubercle rather high, sharply limited; highest along the median 
longitudinal line which descends a little from between the posterior 
median eyes cephalad. LEye-area considerably less than twice as 
wide as long (25:16). Anterior row of eyes slightly shorter than 
1 Aymara, a tribe of the indigenes of Peru. 
