40 BROOKLYN MUSEUM SCIEXCE BULLETIN 3- 2. 
k'ev to Males of South Anicncan Species of Loxosceles. 
a- Tibia of palpus very long, more than three times longer than thick; chelicerae 
granulose in front. 
I). Tibia, viewed from above, long ovate, at base almost twice as thick as 
the femnr; chelicerae chestnut in front, covered almost over whole sur- 
face with large black uneven granules irregularly arranged 
L. /aeta Nicolet 
bl). Tibia, viewed from above, with sides nearly parallel, not much thicker 
than femur; chelicerae fulvo-rufulous. smooth, with a few scattered 
granules at base and ectally L. taeiiiopalpus Simon 
aa. Tibia of palpus less than twice as long as thick or scarcely more; chelicerae 
not granulose. 
b. Bulb of ])alpus attenuated distad into base of spine; spines sinuous or 
sigmoidal /-• spadieea Simon 
blx Bulb depressed; spine long and slender, evenly curved, 
c. Tarsus in dorsal view transverse, wider than long. 
L. nifipes Lucas 
cc. Tarsus in dorsal view ovate, longer than wider. 
(1. Tibia strongly inflated, scarcely one fourth longer than thick. 
L. serrata Simon 
dd. Tibia twice as long as thick. . . . L. accepta, sp. nov. 
Loxosceles nesophila. .sp. nov. 
PI. 4. fig. 6. 
Female. — Carapace, sternum and legs ftilvous, the carapace sometimes 
slightly rufescent. Abdomen grey. Anterior median eyes contiguous 
and the laterals of each side narrowly .separated as usual. The eye rela- 
tions similiar to those of L. acceptiis but the median eyes not so far 
forward, nearer to the laterals, the space .separating the two groups 
being nuich less than the length of the line of median eyes (about 7: 10) 
in.stead of nearl\' equalling it. 
Claws of leg I with eleven teeth, all of which are long, of leg II 
with ten. III with .six, and IV with .six of which the most proximal is 
much redticed. 
Length. 10.5 mm. Length of cephalothorax, 4.5 mm.; width, 3.S 
mm. Tib. i^at. I, 6.5 mm.; tib. pat. II, 7. mm.; tib. pat. IV, 
7 mm. 
Loralitv. — Peru: Lobos de Tierra Id. Jan., 1920. Two females, one 
not full\ aduU. T> i)e, Museum of Comi)arative Zoology, 522. 
In the al)sence of males it is difficult to be certain as to the iireci.se 
