168 MR. F, PICKARD-CAMBRIDGE ON NEW SPIDERS. [Feb. 17, 
SENOCULUS ALBIDUS, sp. nov. (Plate XIV. fig. 14.) 
Type 9,in coll. Brit. Mus. Total length 14 mm. 
In general appearance this species is similar to others of the 
genus, the legs being clothed with a lateral fringe of curving 
simple silky white hairs. The abdomen is also clothed at the 
apex on each side with long pure-white hairs. The vulva consists 
of two large oblong convex sclerites convergent forwards, and 
somewhat concave at this point, see Plate XIV. fig. 14, where 
also the vulva of S. parallelus Simon is figured (fig. 13). 
Hab. Brazil; Rio Janeiro. 
Nore.—Of S. purpureus (KE. Simon) and S. darwint (Holmberg) 
1 cannot give any reliable characters. S. maronicus Tacz., the 
type of the genus, is, according to the author, immature, and no 
mention is made of the number of spines on the legs. 
EXPLANATION OF THE PLATES. 
PratE XIV. 
Vig. 1. Thaumasia velox, 9, vulva, p. 154. 
xD annulipes, 2, ee | p. 154. 
| Dossenus marginatus, 9, p. 155. 
” oF 2 p) vulva. 
2 2 » €yes. 
Paradossenus ni igréicans, 2, p. 155. 
fs 35 ©, vulva. 
” ” 2, eyes. 
e 6, tibial spur of palpus. 
Thanatidius spinipes, &, eyes, p. 156. 
9p a ditto, in front. 
Bs 9, vulva. 
| Senoculus parallelus, 2, vulva, p. 166. 
a albidus, 2, vulva, p. 168. 
fa Sd lt 
PER ooesaaer aos 
PratEe XV. 
Fig.1. Trechalea keyserlingi, 9, p. 168. 
2. A 5 vulva. 
3 urinator, 6, tibial spur of palpus, p. 161. 
A. i Hs 2, vulva. 
5. Bs 6 3, embolus of palpus. 
BOR x 6, 5 from below. 
6 ie ellacombei, ©, vulva, p. 161. 
7 5 macconnelli, 6, tibial spur of palpus, p. 162. 
8. ie oe 6, embolus of palpus. 
9. 55 connexa, 6, tibial spur of palpus, p. 162. 
10. ms 5 3d, embolus of palpus. 
il. 36 extensa, 6, tibial spur of palpus, p. 162. 
12. 3 6, embolus of palpus. 
13. a) longitarsis, 6, embolus of palpus, p. 160. 
14, 55 a 6, ditto, apex enlarged. 
15. es % 6, tibial spur of palpus. 
16. an 6, ditto, example from Venezuela. 
WW) aA By ©, vulva, example from Colombia. 
18. ne amazonica, 6, tibia of palpus and spur, p. 163. 
9} op a 3, embelne of palpus. 
20. ©, vulva. 
21. . Hesydrus habilis, 6, tibia of palpus and spur, p. 165. 
op palustris, 8, tibia of palpus and spur, p. 165. 
AY 55 6, embolus of palpus. 
a e 6, right mandible, from outer side. 
25. oD ee 2, vulva. 
