8 



Jt8 



Third segment of palpi not long, etc., legs very 

 long (p. 320) Escbatocephalus (= Haemalastor) 



Legs not very long. Third segment of palp, long 

 acuminate, extending beyond point of articulation of 

 ( fourth (p. 320) - Ceratixodes 



Rostrum long (p. 326) - Hyalomma 



Rostrum short - 6 



Stigmata comma shaped (p. 321) 



Eurbipicepbalus (= Rbipicephalus) 

 Stigmata round (p. 323) Margaropus (= Boopbilus) 

 Rostrum long - 8 



Rostrum short - -9 



Eyes present (p. 325) - - Amblyomma 



Eyes absent (p. 328) - Aponomma 



Second segment of palp has a prominent lateral 

 projection giving the palp a triangular or cresentic 

 appearance (p. 324) Haemaphysalis 



Second segment of palp has not a lateral projection 

 (b) Coxa IV, very large and characteristic in the 

 male (p. 328) - Dermacentor 



Body flat, with thin edges, finely shagreened 

 (punctate) narrow in front (p. 330) - Argas 



Body, thick sides, covered with warts (p. 328) 



Ornitbodorus 



GENUS EUIXODES 



(= Ixodes [sensu strictiori]). Eyes absent. Palpi 

 long ; hollowed on the internal surface in both sexes. 

 Tarsi without terminal spurs. Anal groove surrounds 

 anus anteriorly and opens posteriorly. Scutum in 

 male does not cover the body laterally and posteriorly. 

 Stigmata oval in <? , circular in ? . Male ventrally 

 covered with six shields ; two lateral, embracing the 

 origins of the legs and the stigmata ; one median, 



