1903.] MR. F. PICKARD-CAMBRIDGE ON NEW SPIDERS, 163 
Lower margin of fang-groove with 3 teeth. Legs 4, 2, 1, 3. 
Clypeus 3 times as high as the diameter of an anterior central 
eye. Carapace unicolorous flavous, margined with dusky black. 
Abdomen unicolorous brown, with a short central anterior pale 
dorsal bar. Legs faintly annulate. Palpus: Tibia twice as long 
as broad; spur, seen from above, stout, projecting, curved, with 
a stout sharp cusp or hook on the inner side at the apex, very 
similar to but much stouter than in 7’. wrinator. Inner apophysis 
deeply impressed in the middle. Embolus as in 7". longitarsis, 
but less broadly flanged. 
Hab. GuaveMaua (Sarg). 
7. TRECHALEA AMAZONICA, sp. nov. (Plate XV. figs. 18-20.) 
Type 3, gynetype 2, in coll. Brit. Mus. Total length ¢ 10; 
(2? 15mm.) Carap.6mm. tegi. 31; 1. 32; mi. 29; iv. 37°5 
mm. Tib.i. & iv. 7-8 mm. Prot. 1. & v. 10 mm. 
Lower margin of fang-groove with 3 teeth. Clypeus in height 
equal to 13 diameters of an anterior central eye. Legs 4, 2, 1, 3. 
Sarapace dull straw-yellow; margins and strize shghtly suffused 
with dusky brown, produced by fine dark hairs; mottled with 
patches of white hairs, angular on margins; clypeus fringed and 
clothed with hoary-white hairs. Mandibles, pedipalps, and a spot 
on ocular area behind the eyes clothed with hoary-white hairs. 
Abdomen olive-green mottled with brown and _hoary-white. 
Ventral area clothed with silver-white hairs. Sternum and legs 
dull yellow beneath, the latter brighter above ; femora indistinctly 
annulated with dusky brown above ; base of patella black. Tibi 
and protarsi with two broad dark annulations. Pedipalps also 
annulated with brown. 
Vulva with a narrow oblong central cavity, its lateral margins 
straight and parallel, with an elongate central tongue, not dilated 
at either end, not incurved at apex, without any black shining 
bosses on each side. 
The male and female here described were taken from the same 
trunk of a tree on aswampy island in the largo opposite Santarem. 
They were crouching on the bark like Sparassids, and when dis- 
turbed moved with great rapidity. 
Hab. Lowrr Amazons: Santarem; Breves, Parana Buyassu; 
Para (f. P.-C. 1895-6). 
8. TRECHALEA KEYSERLINGI, sp. nov. (Plate XV. figs. 1, 2. 
Type 2, in coll. Keys. Brit. Mus. Total length 20 mm. 
Carapace 9°75 mm. Leg i. 44; il. 46; ni. 36; iv. 49 mm. 
ibe! bis ie, bed mm.) sProteavol3 mm. 
Lower margin of fang-groove with 5 teeth. Clypeus five times 
as high as the diameter of an anterior central eye. Legs 4, 2, 
1, 3. Carapace with two broad central bands, widely separate 
behind the eyes, connivent behind; the clear space behind the 
eyes marked with lateral and central fine streaks. Abdomen with 
a broad deep-brown foliate band above, constricted just behind 
ile 
