CHAMBERLIN: THE ARACHNIDA. 193 
on legs III. Leg IV in female similar to leg III; in male with a series 
of much stronger teeth along dorsal or mesodorsal line and on ventral 
surface at distal end with a series of five conspicuous long processes of 
which the second is longest and is bent at distal end, the others being 
straight and decreasing in length distad; the patella with a stout 
spine above at proximal end. Tarsus I with five segments; II with 
thirteen segments; III with six segments, of which the last three are 
abruptly more slender; IV with seven segments of which three are in 
the second division; tarsi III and IV clothed with fine hair on ventral 
surface. 
Length of male type 6 mm.; greatest width of carapace, 4.5 mm.; 
length of leg I cir. 1 mm.; of leg II, 21.5 mm.; of leg III, 13 mm.; 
of leg IV, 8 mm. ; 
Length of female paratype 6 mm.; greatest width of carapace 
4.5 mm.; length of leg I, 10.5 mm.; of leg II, 20 mm.; of leg III, 
14 mm.; of leg IV, 18 mm. 
Localities— Santa Ana, 3,000 feet, August 4. (Type, M. C. Z. 
133, male; paratype, M. C. Z. 34, female). San Miguel, 6,000 feet, 
July. (M. C. Z. 135, one female). 
PHALANGIIDAE. 
LIoBUNUM MONTICOLA, Sp. Nov. 
Plate 5, fig. 9; Plate 6, fig. 1-3. 
Body above brown, a paler longitudinal median stripe which 
narrows to a point at caudal end of abdomen, this stripe on anterior 
portion of abdomen embracing a deep black, sharply defined median 
stripe. Eye-tubercle black. Ventral surface of body yellowish. 
Trochanters all deep black and coxae dusky distad; patellae also 
solid black and tibiae black at distal ends. 
Body bluntly rounded behind, the abdomen broadest across caudal 
end; carapace narrowed markedly cephalad. Entire surface of body 
above and below densely granular, the granules conically acutely 
pointed. Abdomen clearly set off from cephalothorax by a suture; 
the two segments at end distinct. 
Eye-tubercle high, its anterior and posterior faces subvertical or a 
little constricted at base; a curving line of acute spinous points 
