118 
Transact iovs of the Royal Society of South Africa. 
Basal pectinal tooth of female either normal or slightly wider and longer 
than the rest, falciform ; fourth caudal segment 21 to nearly 2f times as 
long as wide in the male, slightly more than twice to 2^ times as long as 
wide in the female ; hand of female slightly narrower than the brachium. 
This form was recorded from the divisions of Beaufort West and Prince 
Albert ; in both localities Dr. Purcell also found examples of anstralis. 
U. carinatus var. scMecJiteri Purcell (17) has the basal pectinal tooth of 
the female broad, ])ut very short ; the fourth caudal segment of the female is 
2i times as long as wide, and the hand of the female is as wide as or very 
slightly wider than the l^rachium. This form is recorded from several 
Text-fig. 2 —Outline in dorsal view of posterior portion of tail in — 1. Uro- 
plectes carinatus mediostriatns, male from Kimberley. 2. Female of same. 
3. Uroplectes carmatns gracilior, male from the Kai'as Mts. 4. Female of same. 
localities in G-reat Bushmanland, in the divisions of Namaqualand and 
Kenhart. 
TJ. carinatus var. mediostriatus Kraepelin (11) (PL XXI, fig. 20, and 
text-figs. 1 and 2), has the basal pectinal tooth of the female broadened, 
shorter than the other teeth, but not very short ; the fourth caudal segment 
of the male is more than twice as long as broad, of the female ly^y times as 
long as broad ; a more or less distinct unbroken blackish median stripe 
along the carapace and trunk. 
The form is recorded from various localities in the Kalahari, viz., 
Severelela, Sekgoma, Khakhea, and Lehututu. We have a series of speci- 
t 
