New South African Trap-Door Spiders. 379 
than the others and lightly curved, placed on a slight tubercle, the 
inner surface also with a longitudinal row of 3 strong spines nearer 
the upper edge and the outer surface with a row of 3 spines along 
the middle; II with 1 inner apical and 3 outer spines on under 
surface and a row of 3 along inner surface; III with 3 apical, 
1 mesial and 2 basal spines below, also 2 on outer, 1 on 
dorsal and 2 on inner surfaces; IV with paired spines below, 
besides 3-5 on the outer and 3 on the inner surfaces. Patelle 
with 1-2 internal spines, I and II also with 1, III with 3 
and IV with 2 external spines. Femora spined above. Tarsi 
I-III scopulate below, the scopule entire in I and II, divided 
by a moderately wide band of sete in III, IV with a very broad 
band of sete below and a strip of scopula, equalling the band 
of setee in width, on each side of it. Metatarsus I scopulate in 
the distal 4-3, II scopulate to near the base, the scopule entire, 
broad and moderately dense, III with a few scopular hairs in 
the distal part. Inferior claws of anterior legs very minute, hidden 
by the scopula and only with difficulty distinguishable, those of 
posterior legs small but distinct. 
Measurements.—Total length 13; length of carpace 6, width 4:6. 
This species is evidently very closely allied to the type of the 
genus, H. caudata Sim., from Delagoa Bay, but it differs in the spine 
armature. 
2. HERMACHA SERICEA 0, Sp. 
Type: 1 3 (No. 3666) found by Mr. L. Mally during a journey 
in Van Rhyns Dorp Div. and the western part of the Calvinia Div., 
Cape Colony. 
3.  Colowr yellowish brown; carapace with some indistinct, dark 
brown stripes radiating from the fovea, the hairs as in the preceding 
species but more yellowish; legs paler distally, with an under coat 
of fine, yellowish, mostly appressed, silky hairs, in addition to the 
more erect, fine, black bristles; under side paler, pale ochraceous ; 
abdomen hairy, pale yellowish below and at the sides but without 
markings, the upper surface with numerous blackish-brown markings. 
Carapace as long as the metatarsus and + of the tarsus of the fourth 
leg, and equal to the metatarsus and the tarsus and to the tibia and 
2 of the metatarsus of first leg. Fovea large, rotund. 
Ocular area less than twice as wide as long; anterior row of eyes 
with the hind margins in a straight line, the lateral eyes large, more 
than twice as long as the small median eyes, their distance from the 
anterior margin of the carapace scarcely equalling the diameter of 
the medians; posterior eyes with their anterior margins forming a 
