Plate IV. 



Ixodes, 



Ixodes pllosus howardi , Neumann. 



(a) Dorsal surface of female. 



(h) Ventral surface of female. 



(c) Shield and rostrum of female. 



(d) Dorsal surface of male. 



(e) Ventral surface of male. 

 (/■) Hypostome of male. 

 ((/} Hypostome of female. 

 ('//) Mandible of female. 



(/) Mandible of male. 



Hyalomma. 



(./") Stigmatic plate of female. 

 Stigmatic plate of male. 

 Ixodes ruhteundus, Neumann (from 

 Neumann). 



(a) ventral surface of male. 



(b) liypostome of male. 

 U ijitUmi 1)1(1 Ji \ j>po})oi (I otenu^ ( I Jen ny), 



posterioi' end of venti'jil snrface (from 

 Neumann). 



{}<:) 

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