0. canestrinii 



79 



length, more slender ; article 3 a half shorter. Legs stout ; coxa I 

 divided in two short, rounded teeth ; tarsus 1 bearing three successive 

 protuberances on dorsal border ; a single one near distal extremity of 

 the other tarsi. 



Found at Teheran, Persia, by E. v. Keyserling (1839) and at Tasch- 

 Burun, Caucasia (1885). (After Birula's description with the aid of his 

 figures.) 



We are not acquainted with this tick but admit it provisionally as a 

 good species since in the detailed figure it resembles no species known 

 to us. 



ORNITHODOROS PAPILLIPES Birula, 1895. 



Fig. 114. 



Lit. and Icon.: A. Birula, 1895, p. 354, PL I, Figs. 4-6, anterior portion of venter, 

 including capitulum, tarsus IV, Hallers organ (Figs. 4 and 5 here reproduced). 



Body 7x4 mm. elongated, oval, rounded behind, prominent in front 

 (uncleft) ; reticulate-rugose, grey or greyish-yellow. No eyes. Lateral 

 folds of camerostome constricted in the middle. (Apparently free in 

 figure.) Venter : genital orifice behind coxae I. Capitulum (1 mm. I.), 

 base almost square, 3 small setae on each side ; hypostome 2 j 2, about 

 as long as the base ; palps short and thick : two long hairs at base of 



Fig. 114. O. papillipes ? . Anterior part of venter, and tarsus IV ; slightly modified 

 from Birula, 1895, pi. I, figs. 4, 5. 



