A Survey of the Scorpion Fauna of South Africa. 
145 
b^. Finger keel almost smooth ; superior process of tarsus 
at least as long- as the lateral lobes . . .0. capensis Herbst. 
1. Upper crest of brachium almost smooth; terminal 
tooth of superior crests in caudal segments II-IV 
mostly enlarged and spiniform ; legs and inter- 
ocular area pale ochraceous . . . . . O. c. typi^us.. 
2. Upper crest of brachium composed of a row of 
coarse granules ; otherwise very like tt/picus 
O. c. var. leipoldti Pure. 
3. Similar to typicus, but terminal tooth of caudal crests 
rarely enlarged ; legs and whole animal of a rich 
deep reddish brown colour above . . O. c. YSiV.fuscipes Pure, 
b^. Last sternite smooth in the middle {sometimes in the male of 
PALLIDIPES loith exceedingly minute scattered granules, invisible 
to the naked eye^ ; tarsus I with a double row of spines be/ow, 
viz., 1-3 external and 4-6 internal, in addition to the 4 ex- 
ternal and 5 internal spines on the terminal lobes. Superior 
process of tarsus shorter than the lateral lobes, (a'^'-b'^.) 
a". Interocular area granular on its anterior half and bordered 
laterally by coarse granules ; under side of humerus smooth ; 
pectines with 15 or 16 teeth, the scape rounded at base 
behind and free of teeth for about f of its length. Hand 
stout, coarsely granular above, its breadth much exceeding 
the length of the hand-back .... Male of O. laticauda Purc. 
h^. Interocular area smooth; {in pallidipes some/vhat tvtakly 
granular anteriorly) ; under side of hunurux coarsely granular ; 
pectin&s of males ivith 24-31 teeth, the scape rectangular at 
the base behind <ind toothed throughout its length, of female 
with 16-22 teeth, the scape rounded at the base behind and free 
of teeth for about \-l of its length ; hand of male nearly 
smooth above, slender, with very long fingers, the breadth (f the 
hand not exceeding the Ungth of the hand-back. {2J and b''.) 
a'. Sides of carapace abruptly deflected and very steep, 
very coarsely granular, especially along the borders of 
the interocular area ...... 0. pallidipes Koch. 
b7. Sides of carapace gradually and not very much deflected, 
with no coarse granulation bordering the interocular 
area .......... 0. peringueyi Pure. 
(2) Median eyes not far hehind the middle of the carapace, their distance 
from the anterior margin at any rate not exceeding 1| times their distance from 
the posterior margin. Media7i groove of carapace with or without a fork in 
front. 
a. Frotarsus of legs I and II with a f ringe of stiff hairs on the outer 
side ; tarsus III and IV without spines on the outer sides inferiorly, 
though on the inner side 4 spines occur in addition to the spines on 
the end-lobes ; carapace groove not f orlced. (a' and b.) 
ai. All the sternites quite smooth inferiorly in both sexes ; 
vesicle granular below in the basal half ; upper surface 
