752 MR. F. 0. PICKARD CAMBRIDGE ON [June 16, 
a row of eight stout conical teeth on inner margin. Floor of groove 
studded towards base with minute cusps. 
Sternum longer than broad, finely granulate and _ sparsely 
tuberculate, with a longitudinal, central, smooth channel. Poste- 
rior margin fringed with stiff, separate, black hairs. Sigilla i., 
il., lii., iv. well marked ; iii. and iv. submarginal. Labial impres- 
sions very deep. : 
Labium longer than broad, narrower towards apex, armed with 
five or six cusps; its base much depressed. 
Coaa of pedipalp longer than broad, slightly produced and 
obtusely rounded at inner apical angle, the latter being studded 
with minute cusps. Pedipalp dark pitch-brown. 
Legs dark pitch-brown ; i. and ii. the darkest. Femora blotched 
beneath and also slightly above with black ; patella suffused with 
black at apex ; tibie and protarsi with a dark annulus at apex and 
towards or at base. Upperside and apex of coxa, femur, tibia, 
and, slightly so, the tarsus enriched with scattered golden hairs. 
Tarsus of pedipalp, tarsus and two-thirds of protarsi i. and ii. 
densely scopulate; of iii. and iv. not scopulate. Femora of 
pedipalp and legs without spines. Tibie i. and ii. with 3—3 
setiform hairs beneath ; iii. and iv. with 3—3 spines and a single 
spine. Protarsus iii., alone, with spines above. Protarsus of 
pedipalp armed beneath with numerous spines; protarsi of leg i. 
with 5 spines; of ii. with two series of 83—8 spines, besides 
isolated ones; of iii. and iv. with numerous spines. Tarsi of 
pedipalp with two spines, of legs without any spines. Tarsus i. 
with 3 claws ; superiors armed with a double series of 6—6 
denticles beneath. Tarsus ii. with 3 claws; superiors with a 
double series of 6—6 denticles. Tarsus iii. with 3 claws; _ 
superiors with a single row of 3 denticles. Tarsus iv. with 3 
claws ; superiors with single row of 6 denticles. 
Spinners four; posterior pair shorter than abdomen, appearing 
four-jointed from above, on account of pseudo-joint; basal joint 
longest, central shortest, terminal longer than the latter. 
Anterior pair half the length of basal joint of posterior pair; 
twice their diameter apart. 
Comparative measurements in millimetres.— 2. Carap. 8 long., 
6 lat. Abd. 9 long., 6 lat. Cephl. area 5 long. Stern. 4:25 
long., 3°5 lat. Coxa of pedipalp 3 long., 2 lat. Pedes, long. 
i, 23—i1. 21—iii. 19—iv. 23. Art]. i. long. 4—1-5—5—3—3'5 
—3'5—2. Artl. iv. long. 2°5—1-25—5—2-5—4-25—4—2, 
Postr. mam. 5 long. Artl. 1°75—1—1-5. Antr. mam. 1 apart. 
Mandib. 4 long. 
Immature 2 .—Similar in character and coloration to the adult, 
but pale yellow-brown on carapace, sternum, and mandibles. 
Legs orange, ornamented with black annuli and_ blotches. 
Femora with a submedian and an apical interrupted annulus. 
Base and apex of patella, tibia and protarsus of all four pairs 
ornamented with entire, or interrupted, annuli.. Central blotch 
