of the genus Haemaphy salis of the Ixodidae. 
519 
sharp teeth, 4/4, the outer the stronger, the inmost very small; 
corona small. 
Described from a specimen kindly lent by Neumann. Though 
closely allied to H. bispin osa it is a much larger and more highly 
chitinised species, with much stronger legs and very much larger 
spiracle. The following differences may also be noticed : 
II. hystricis 9 
scutum broader than long (l - 2 x 
1*5 mm.) 
cervical grooves broad, shallow, nearly 
parallel 
porose areas very small, oval 
spiracle circular, with distinct pro- 
cess 
hypostome 4/4, well covered with 
small teeth, larger at the sides 
II. bispinosa 9 
slightly longer than broad (1 x - 9mm.) 
well-marked, deep and converging, 
then shallow and diverging 
medium, round 
oval, without process 
4/4, less covered, teeth equal 
H. parmata, Neumann, and H. neumanni, Dbnitz, have been 
adequately described, and a few notes with regard to them will 
be sufficient here. They are very closely allied to the foregoing 
species, and it is difficult in any description to make their differ- 
ences clear, though they are undoubtedly distinct. 
II. parmata is a very small, feebly chitinised African tick 
(from domestic animals in the Cameroons), and the male furnished 
us by Neumann measures no more than l - 8 x IT mm. It is dull 
yellow, not much narrowed in front, and with very short lateral 
grooves. The basis capituli is very short and broad, and the cornua 
diverge somewhat. The female scutum is nearly circular, but rather 
broader than long ('7 x *9 mm. in our specimen), and light glossy 
yellow, and the spiracle is circular. The dentition in both sexes 
is 4/4. 
II. neumanni varies somewhat in size, but the male averages 
about 23 x 1*4 mm., and is oval, with long lateral grooves. The 
female scutum is like that of H. bispinosa with the lateral angles 
rather more pronounced, and the spiracle has a blunt dorsal 
process. Its dentition is 5/5 or sometimes 6/6 (as in our speci- 
men, given by Dbnitz). It infests domestic animals in Japan. 
