7. diversifossus 



163 



anterior quarter of the body length ; coxa I bears a long retrograde spur 

 at the internal angle ; all the coxae bear a spiniform process at the 

 postero-external angle. Tarsi medium, tapering gradually ; pads almost 

 equal to the claws in length. 



The above description, from Neumann, is based on drawings by 

 Marx, and a $ , labelled by him Ixodes dentatus, found on the rabbit 

 (Smithsonian Institution, Washington, D.C.). \ tf#/t 



16. &A 



■<t us**. 



Fig. 153. 



Fig. 154. 



Figs. 153, 154. I. dentatus ? : capitulum in ventral aspect, coxae and trochanters I-IV. 

 (Neumann, 1899, Figs. 4 and 5, G. Marx del.). 



5. IXODES DIVERSIFOSSUS Neumann, 1899. 



Lit. : Ixodes diversifossus Neumann, 1899, pp. 136, 137 (no figure). 



Banks, 1908, p. 27, PI. Ill, Figs. 12, 14 (? capitulum, scutum, spiracle, coxae 1 

 and II, tarsus 1); not reproduced, as we do not trust their accuracy. 



Male : unknown. 



Female : Body oval, reddish yellow, 5 x 25 mm. [? partly gorged]. 

 Scutum oval, 1'3 x l'l mm., with rounded borders, glossy, maroon- 

 brown ; cervical grooves long, superficial ; lateral grooves well marked, 

 straight, attaining the posterior border ; many punctations, large on 

 the lateral and posterior borders, very fine elsewhere. Dorsum 

 glabrous or nearly so, traversed by a marginal groove, very distant 

 from the lateral and posterior borders, where it leaves a margin 

 almost equal to one-quarter of the whole width. Venter : vulva 

 facing the last intercoxal space. Anal grooves parallel, of medium 

 length, reunited in an arc of a circle in front. Spiracles circular, 

 large, whitish. Capitulum with base broader than long, with pointed 

 cornua; porose areas rounded, small, far apart; auricula forming a 



