750 MR, F, 0, PICKARD CAMBRIDGE ON [June 16, 
Genus Furivs, E. Simon, 1888. 
Type. F. atramentarius, E. Sim. (2 ), Ann. Soc. Ent. Fr. 1888, 
p- 213. 17mm. long. Hab. Guatemala. 
Furrus auricomis, E. Sim. (Plate XXXYV. figs. 4, 6, 8, 16.) 
3 9. Hab. Santarem, Lower Amazons. do 125 mm. long. ; 
217 mm. long. In coll. Brit. Mus. Nat. Hist. ¢ new. 
3 .—Colow’. Carapace and basal joint of mandibles black, clothed 
with fine golden hair. Sternum, coxe of pedipalp and of first 
pair of legs deep pitch-brown. Femora black, apex tinged with 
pink ; patella pitch-brown ; tibie of legs black, of pedipalp pitch- 
brown; protarsi and tarsi slightly paler; 2nd, 3rd, and 4th pair 
of legs pitch-brown, paler towards extremity. Tibiz and protarsi 
each with two dark annulations, one at the apex, the other at or 
towards the base. Coxe and trochanter of pedipalpi and all four 
pairs of legs clothed above with golden hairs. Abdomen pitch- 
brown, with a central, dorsal band of fine golden hairs, more 
scattered laterally towards apex. Ventral area brown; spinners _ 
paler, second and third joints suffused with dark brown. 
Carapace longer than broad, finely granulate; cephalic area 
occupying over half the length of carapace; central fovea deep, 
recurved. Cephalic and thoracic impressions well marked. 
Ocular tumulus low, height double its breadth. Central anterior 
eyes large, circular, half a diameter from margin of clypeus, half a 
diameter apart, almost in contact with anterior laterals; less than 
a quarter diameter from posterior centrals. Anterior laterals 
reniform elliptic ; their axis rather less than diameter of anterior 
centrals. Posterior laterals ellipsoid, their axis equal to half the 
axis of anterior laterals and one quarter their axis from them. 
Posterior centrals very small, their axis equal to one third the 
diameter of the anterior centrals, ellipsoidal, less than half an axis 
from lateral posteriors, almost two diameters of anterior centrals 
apart. 
| aoa longer than broad, finely granulate and_ sparsely 
tuberculate, with a longitudinal smooth central channel; its 
width one third less than its length; posterior margin fringed 
with stiff separate dark hairs. Sigilla well marked, especially 1st, 
2nd, 8rd, and 4th pairs; 2nd and 3rd marginal. 
Mandibles without rastellum. Inner margin of fang-groove 
armed with a single row of eight conical teeth, its floor studded 
towards the base with minute cusps; outer margin fringed with 
rufous hairs, inner with a few fine hairs. 
Labium longer than broad, attenuate towards apex, with two or 
three minute cusps. Coxa of pedipalp twice as long as broad, 
finely granulate and sparsely tuberculate, studded with numerous 
minute cusps at base, clustered towards inner angle. Inner 
apical angle slightly produced and studded with minute cusps. 
Inner margin thickly fringed with rufous hairs. Tibia of pedi- 
palp incrassate, fringed with long hairs; tarsus short, dilate, 
