CHAMBERLIN: THE ARACHNIDA. 295 
with three narrow lines of white extending from sides a short distance 
mesad on the dorsum on each side at and caudad of the middle; 
venter brown. 
Ocular quadrangle much wider than long and wider behind than 
in front in the usual way. Second eyes minute and well in front of 
the middle. Eyes of first row about as in the preceding species. 
Chelicerae long and slender; the claw slender and as long as the 
chelicera, with a double curve; tooth of lower margin bent conspicu- 
ously toward distal end of chelicera, (Plate 25, fig. 8). 
Tibia I with two pairs of ventral spines toward distal end and a 
single ventral spine toward ectal side well toward base of joint. Meta- 
tarsus I with two pairs of ventral spines, one distal and one at middle. 
Length, 5.1 mm.; length of cephalothorax, 2.5 mm., width, 1.9 mm. 
Localities.— Santa Ana, 3,000 feet, August. (Type, M. C. Z. 298, 
male; paratype, M. C. Z. 299, one male). San Miguel, 6,000 feet, 
July. (M. C. Z. 331, one male). Paltaybamba, 5,000 feet, August. 
(M. C. Z. 300, one male). Huadquina, 5,000 feet, July. (M. C. Z. 
301, an immature female). 
DENDRYPHANTES AMPHIBOLUS,! sp. nov. 
Plate 25, fig. 9. 
Carapace with integument reddish black, clothed over whole surface 
with white scales of greenish lustre. Sternum and labium brownish 
black, the endites a paler brown. Legs yellowish or pale testaceous, 
the femora, patellae, tibiae, and metatarsi typically dark at tips, at 
least ventrally, but the annuli may be clearly evident only on the 
posterior pairs. Abdomen above with several pairs of large brown 
spots the most anterior of which are confluent across anterior end and 
with less distinct chevron-lines between caudal ends of others; in the 
elongate yellowish grey area between anterior pairs of spots is a longi- 
tudinal brown line or mark bisecting the same; the hair across the 
anterior face and bordering the brown spots is white; venter dilute 
yellowish grey, with or without three longitudinal brown lines on the 
caudal portion. Spinnerets narrowly enclosed at base with brown. 
Tibia I (female) with two pairs of short spines toward the distal 
end and one ventral spine on the ectal or caudal side toward the base; 
metatarsus I with two pairs of spines, one distal and one mesal. 
1’apydiBodos, ambiguous. 
