■ Annals of tile Transvaal Museum. 
81 
liairs, distributed on tlie circumference, four at the truncated ante ior 
end, two pairs of sternal hairs; seven hairs around and at a certain 
distance from the anal ring; a strong hair on the anterior edge of each 
anal valve. Rostrum elongate ; only its base covered by border of 
the body; the rest projecting anteriorly beyond the body; 
mandibles similar to those of the nymph, but the inner apophysis 
inserted lower down, near the middle of the digit, as in the male ; 
hypostome (II , t) narrow, long, pointed at the extremity, armed 
on each half near the tip with four longitudinal rows of teeth, the 
inner rows composed of weak, the outer rows of strong and sharp 
teeth, below these two rows of large teeth one of which is marginal 
and formed of ten to twelve teeth, extending to the base of the 
hypostome ; palpi slender and free ; the first article a little longer 
than wide, the other three twice as long as wide, the fourth small, 
cylindrical, with four or five terminal spines ; the second and third 
with four dentate hairs on their external borders ; four short hairs on 
the base of the rostrum and placed as those on the nymph. Legs 
almost equal in length ; Coxae almost contiguous, very far from the 
median line, elongate ; second article as long as wide ; the other four 
cylindrical; the tarsi longest, similar to those of the nymph; the 
hairs semi-denticulate, on all the articles. 
Hosts. — Bats: Mineopterus schreibersi, (Pretoria), Vesperugo 
pipistrellus , Plecotus auritus, Vesperugo kuhli, V. noctula, Myotus 
murinus, Rhinolophus clivosus, R. hippocrepis, Brachyotus dassyne- 
mus, Synotus barbactellus ; Man. 
Habitat. — England, France, Egypt, Tunis, Cape Colony? 
Transvaal. As this tick occurs in Egypt and also in South Africa 
the probability is that it will be found in other parts of Africa also. 
This tick is not often seen, probably because the hiding places 
of bats are seldom searched for them. I feel sure, however, that 
they are very common throughout South Africa, and natives have 
told me that they have found them under bark of trees in the bush. 
Out of several hundreds of specimens which I have collected I 
have found only one adult female. The life history seems to be very 
much like that of A. persicus ; larval ticks can be found in numbers, 
in all stages of engorgement on bats. When a house becomes a hiding 
place for bats, these ticks may become so numerous as to cause con- 
siderable annoyance to the occupiers, for to those sensitive to insect 
bites, the bites of these ticks cause considerable pain and swelling of 
the portions of the body bitten. In Tunis it has been found that this 
species may transmit a spirillum of bats. 
ABGAS TEANSGABIEPINGS, WHITE. 
Argas transgariepinus , White (1846). 
Argas kochi, Neumann (1901). 
Argas transgariepinus , White (Neumann, 1906). 
Male. — Body Hat, thin, in a wide, oval, almost as wide in front 
as behind; length 7.5 mm., width 6 mm.; brownish red, legs and 
rostrum lighter. Dorsal surface convex, excavated along the edge, 
which is raised ; integument finely chagreened. On each surface a 
