On a new genus of Ixodoidea. 
405 
between cervical grooves, in marginal grooves and on festoons ; 
cervical grooves deep crescentic pits, followed by shallow diver- 
gent depressions ; lateral grooves not well-marked, represented 
Fig. 22. $ capitulum, A dorsal and B ventral aspects. 
anteriorly by punctations ; two pairs of shallow depressions, the 
anterior at mid-length, the posterior on either side of median 
posterior groove (as in R. sanguineus ) ; foveolae small, circular, far 
apart, between anterior depressions*. Venter : spiracles (Fig. 25) 
Fig. 23. <? tarsus IY. x 35. Fig. 24. 
Digits of A <? and B ? respectively 
140 / j . and 120 / j . 1. 
blunt comma-shaped; adanal shields roughly isosceles with rounded 
angles but sometimes protruding at inner angle ; accessory shields 
* Indicated by 2 black points in Fig. 21 A. 
27 
VOL. XIV. PT. IV. 
