On six new species of Ixodidae, etc. 
467 
broad as long, wider behind than in front, dorsum strongly convex. 
Scutum glabrous, punctate, punctations large, numerous on 
posterior half of the body ; colour, dull ochre brown with an in- 
distinct greenish iridescent patch on either side (indicated by the 
dotted lines in Fig. 18); cervical grooves short, deep and 
crescentic with the convexity outwards ; marginal grooves absent ; 
postero-median groove small, accessory grooves deficient ; festoons 
not well-developed. Venter (Fig. 19) ochre-yellow, glabrous, 
Fig. 19. Aponomma simplex <? . Ventral aspect. 
finely wrinkled ; festoons better defined than on dorsum ; genital 
grooves nearly parallel anteriorly, divergent behind coxae IV. ; 
genital orifice large, situated opposite interspace between coxae II. 
and III.; spiracles comma-shaped (Fig. 20). Ocipitidum (Fig. 21) 
Fig. 20. Aponomma simplex s . Spiracle, right. 
1. 09 mm.; basis capituli trapezoidal, cornua slightly developed; 
palps long, article 2 slender proximally ; article 3 large ; hypo- 
stome spatulate, corona of minute denticles, emarginate at tip, 
dentition 4] 4. Legs relatively small, coxae (Fig. 19) each with a 
single short blunt spur; tarsi suddenly attenuated near extremity, 
31 
VOL. XIV. PT. V. 
