407 
On a new genus of Ixodoidea. 
R. masseyi. 
d 
Scutum : punctations much fewer, 
shallower, lateral grooves distinct, 
short. 
Capitulum base : small, with lateral 
angles more anterior. 
Legs : weaker, coxa I weak. 
?. 
Scutum : smaller, with fewer puncta- 
tions. 
Capitulum base : relatively much 
longer, narrower. 
Legs : weak. 
R. masseyi £ approaches to R. zit 
as follows : — 
R. aurantiacus. 
6 
punctations, numerous, deeper, lateral 
grooves absent or formed by punc- 
tations. 
broad, short with lateral angles more 
salient, not so far in front of the 
middle. 
stout, coxa I stout. 
? 
larger, with more punctations. 
broad, short. 
stout, coxa I stout. 
xnni but differs amongst other points 
R. masseyi $ . R. ziemanni 
Capitulum base : lateral angles at lateral angles about half-way. 
anterior J. 
Legs — coxa L, external spur shorter external spur at least as long as 
than internal. internal. 
R, masseyi 9 approaches more closely to R. appendiculatus but differs 
especially as follows : — 
R. masseyi $ . R. appendiculatus 9 • 
Scutum : lateral grooves absent. distinct. 
Amblyomma versicolor n. sp. 
Figures 27 — 29. 
Male, L. 3, W. 2'4 mm. Body oval (Fig. 27 A). Scutum covers 
the whole dorsum ; ornate (see Note), tortoise-shell-like, with yellow- 
Fig. 27. S , A dorsal aspect, B coxae I — IV. 
27- 
2 
