Annals or the Tkansvaal Museum. 
155 
not more than half as wide as the median area. Dorsal surface glabrous, 
several radiating deep pits, of which one is median and posterior ; eleven 
iestoons not very apparent on the posterior edge. Ventral surface concave or 
swollen, glabrous ; festoons very short on the posterior margin ; sexual 
orifice wide, prominent, opposite the second inter-coxal space sexual grooves 
very divergent ; anus near the posterior quarter ; anal and ano-marginal 
grooves not present; stigma tic plates oval;: elongated transversely. Rostrum 
1 mm. or more in length, base short, nearly three times as wide as long ; 
porose areas large, not very deep, well separated, not apparent in young 
females : mandibles with inner apaphysis bearing a short, sub-globose 
process inserted at near anterior third of apophysis, and bearing two small 
teeth ; outer apophysis large, with three or four terminal teeth followed by 
two large, almost equal teeth ; hypostome and palpi similar to those of the 
male. Legs similar to those of the male. 
Host. — Python (Python sebai). Found in the sockets of the eyes 
{Neumann). 
H ab'itat . — South Africa. 
Genus RHIPICENTOR. NUTTALL and WARBURTON. 
Rhipicentor , X uttall and Warburton (1907). 
Eyes present ; base of rostrum wider than long, lateral angles 
prominent ; palpi as wide or wider than long ; stigmatic plates comma 
■shaped; no ventral anal plates; coxae I divided into two stout teeth; 
•coxae 1 V of male very much larger than coxae I, II and III, and bears 
in both male and female two very large spines on the posterior margin. 
RHIPICENTOR VICINUS. NEUMANN . 
The Hedgehog Tick. 
Rhipicentor vicious , Neumann (1908)'. 
Plate VII, figures f to i. 
Male— Body sub-oval, wider near the posterior, slightly constricted 
'behind the eyes, 6 mm. long (rostrum included), 3.2 mm. wide near the 
posterior third. Dorsal shield slightly convex, shining, chestnut brown in 
•colour, without spots, narrow margin of the abdomen showing beyond the 
shield in the posterior two thirds ; cervical grooves deep and wide, spread- 
ing out widely ; marginal grooves commencing behind the e}^es, deep, 
Tather close to the margin, terminating in a. groove between the two last 
festoons; punctuations large, sub-equal, not very numerous, very distant 
from each other, arranged in lines near the lateral margins, one to two 
punctuations on each festoon ; more numerous in front of the- eyes ; in 
front of the festoon a crescent shaped depression, marked bv fine punctua- 
tions. Eyes flat, yellowish, marginal, three small punctuations forming a 
border on the inner side. Ventral surf ace (VII, f) reddish yellow, with a few 
very short hairs ; anal groove semi-circular, open to the front, supported 
behind by a single ano-marginal groove which terminates at the median 
festoon ; genital grooves diverging widely behind coxae TV ; ventral 
festoons well marked ; wider than long, no groove limiting them in front ; 
no caudal prolongation ; stigmatic plates of a medium size, comma shaped, 
with the prolongation extending postero-dorsally. Rostrum (V II, g) 0.92 mm. 
long (from the tip of the palpi to the point of the posterior angles) ; dorsal 
surface of the base twice as wide as long, lateral angles near the anterior 
