'136 
Transactions of the Eoyal Society of South Africa. 
22. 0. GiGAs Purcell, Ann. S. Af. Mus. vol. i, p. 5 and 154, 1898. 
Distribution : One of the types came from Nisbet Bath (Warmbad), 
<xreat Namalaud ; Dr. Purcell recorded this species from several localities 
in G-reat Bushmanland, Namaqualand Division ; Kraepelin recorded it from 
Quibis. 
,23. 0. cHAPEEi Simon (PI. XXV, fig. 60), Ann. Soc. Ent. France (5) x, 
p. 387, 1880 (Male only). 
The principal characters of the female were described by Purcell (18). 
Distribution : According to Purcell " the Karroo-like country along the 
southern side of the G-reat Langeberg range from its western extremity east- 
wards as far as Ashton (Worcester and Eobertson Divisions), " also from 
Brandvlei, Worcester Division. 
24. 0. FOssoK Purcell, Ann. S. Af. Mus. vol. i, p. 9, PI. iii, figs. 4, 4a, and 
i, p. 157, and ii, p. 202, 1898. 
Distribution : Divisions of Tulbagh, Worcester (western part), and 
Caledon. 
25. 0. iNTERMEDius Kraepelin, Mit. Mus. Hamburg, 1894, vol. ii, p. 89. 
Distribution : Only known from the types, which are indefinitely located 
Cape Colony. 
26. 0. PATTisoNi Purcell, Ann. S. Af. Mus. vol. i, p. 171, 1899. 
Distribution : Sneeuwkop Mountain in the Cedarberg Range, Clanwilliam 
Division. 
.27. 0 AUSTERUS Karsch (PI. XXIV, figs 50 and 52), Mit. Miinch. Ent. Ver., 
p. 128, 1879. 
The following description is based on specimens from Victoria West and 
Middelburg : 
Median groove of carapace not distinctly forked in front, though slight 
, superficial indication of a fork is sometimes present. Median eye situated 
less than ^ of the length of the carapace distant from its hind margin ; 
sides of carapace finely granular, the granules near the lateral borders of 
the interocular area not much coarser than those elsewhere, the interocular 
area smooth ; hand of male flattened, the inner portion of the upper surface 
covered with rather coarse granules, the finger keel continuous except in its 
proximal third, smooth or pitted, secondary keels distinct but feeble, the 
inner edge of the hand strongly denticulated, the fingers elongated, the 
length of the hand-back considerably exceeding the breadth of the hand ; 
hand of female much depressed, only slightly convex, its width not or 
scarcely exceeding the length of the brachium measured along the upper 
side, the inner portion of the upper surface covered with numerous, closely 
