126 
Axntals of the Tkaxsyaal Museum. 
portions. The commonest host in the Transvaal is the dog ; one specimen 
has been taken from the ringed pigeon, and, what is probably a nymph of 
sanguineus, from the striped mouse (Avicanthis pumillio) at Pretoria- 
Donitz states that sanguineus transmits a disease of dogs in France. 
KHIPICEPHALUS LUNULATUS. NE UMANN t 
Rhipicephalus lunulatus, Neumann (1907). 
Plate VIII, figure g ; Plate IX, figure g ; Plate X, figure g. 
Male. — Body a little wider behind and acuminate behind ; length 
4 mm. (rostrum included), width 1.9 mm. near the posterior third. Shield 
(VIII, g) convex, shining, very dark brown, almost black in colour, without 
spots, showing a slight margin of the abdomen beyond the sides of the shield 
cervical grooves very shurt ; - marginal grooves deep, occupied by large 
punctuations, commencing immediately behind the eyes and ending at the 
groove which separates the two extreme festoons ; punctuations large, 
distant, in irregular lines, one line on each side, a little inside of the 
marginal groove, forms its prolongation forward ; a few very fine punctua- 
tions in front, almost obsolete ; eyes flat, yellowish, large, marginal. 
Ventral surface reddish brown, punctuated with a few very short hairs ; 
anus near the anterior quarter of the anal plates (IX, g) ; the latter 
elongate, triangular, the inner margin concave, the outer margin convex, 
the posterior margin divided into two unequal lobes, the outer one of 
which is spine shaped ; the outer pair of anal plates projecting,, 
spiniform ; no caudal prolongation ; stigmatic plates narrow, elongate 
comma-shaped, with the point recurved toward the dorsal surface. Rostrum 
0.55 mm. long, dorsal surface of the base wider than long, lateral angles- 
projecting, situated near the anterior quarter of the length, posterior 
angles not very prominent ; hypostome slightly spatulate, with six rows 
of teeth ; mandibles with process of inner apophysis elongate transversely 
and bident ate, outer apophysis hidentate ; palpi scarcely longer than wide, 
flat on the dorsal surface, the second article as long as the third and 
contracted into a point on its posterior-dorsal margin. Legs relatively 
strong. Coxae I with anterior point slightly visible from the dorsal 
surface, hears two very long spurs ; on the posterior margin of the other 
coxae, two wide, flat teeth ; tarsi medium in size, with terminal claws. 
Female. — Body a wide ellipse in outline, length 8 mm. (including 
rostrum), width 6 mm., widely rounded at both extremities ; dark blue in 
colour. Shield (X, g) small ; dark brown in colour : longer than wide or as 
wide as long ; widely rounded behind ; cervical grooves deep in anterior part,, 
reaching posterior margin ; lateral grooves deep, set off by large punctua- 
tions ; nearly reaching posterior margin, punctuations small, evenly 
distributed, and well separated from one another, a few very large punctua- 
tions in median area, marginal grooves, and marginal ridges. Rostrum 
with base much wider than long * posterior angles not very prominent ; 
lateral angles very prominent, porose areas small, circular, and separated by 
a diameter, numerous punctuations between them ; palpi typical ; 
hypostome with six rows of teeth ; mandibles with process of inner 
apophysis tridentate ; outer apophysis with three teeth. Dorsal surface 
glabrous, four anterior grooves and three posterior grooves. Ventral surface 
glabrous, numerous punctures and a few short whitish hairs ; sexual 
