I. hexagonus var. cookei 183 



Aberystwyth: (N. 746) larvae, vm. 1900; (N. 606) ?s, os, larvae, 

 xi. 1902; (N. 609) os, xn. 1902. Ireland: (N. 612) ?s, os, from 

 Mustela erminea, Inismore, in. 1902 (N. C. Rothschild). Belgium: 

 (N. 597) from Erinaceus europaeus (E. A. Boulenger). Germany : 

 (N. 1168) ?s, os, from ferrets, Kittendorf, Mecklenburg-Schwerin, 

 vi. 1910 (G. v. Oertzen's gamekeeper) ; (N. 608) from Erinaceus 

 europaeus, Dernburg, ix. 1898 (N. C. Rothschild); (N. 1186b) %, 

 from dog, Godesberg, vn. 1910 (Baron v. Rigal's gamekeeper). France : 

 We have examined 2 <?s and a % kindly sent to us by Prof. Neumann ; 

 the specimens were collected by Simon, in the Foret de la Londe, 

 Seine Inferieure. We possess a <$ of this lot. [Italy : Canestrini, 1890, 

 p. 500, states that it occurs by preference on dogs ; he has examined 

 ?s from dog, fox and hedgehog in Trentino, Veneto, Liguria and 

 Toscana. Canestrini, p. 502, records " crenulatus " from Borgotaro and 

 Trentino, occurring on Meles taxus.] 



AFRICA: In W. F. Cooper's coll., ?, from wild boar, Algeria, 1908 

 (S. Williamson). 



AMERICA : (N. 284) ? , from Sciurus sp., La Honda, California, II. 

 1895 (ex V. L. Kellogg coll.). [Banks, 1908, p. 31, records this species 

 ( ¥ s) from sheep, Kansas (Neumann det.) ; from rabbit, Baltimore, Md. 

 (Neumann det., ex Hassall coll.). He does not refer to his earlier 

 statement (1904, p. 331) that it occurs in California (Santa Clara 

 County, Palo Alto and Mt Shasta).] We have 2 ? s from S. America 

 found ou Myopotamus coypu (ex Rothschild coll., no particulars). 



Ixodes hexagonus var. cookei (Packard, 1869). 



Syn. : Ixodes cookei Packard, 1869 a, p. 67. 



Ixodes hexagonus var. lonyispinosus Neumann, 1901, \i. 283. 

 Ixodes cookei Packard, in Banks, 1908, pp. 28, 29, PI. IX, Figs. 1-5. (Larva, 

 dorsum ; palp of o (surely wrong !) ; <J capitulum, tarsus 1.) Banks, 1908, 

 p. 53, moreover, includes the following in his synonymy of /. cookei. 

 Ixodes cruciarius Fitch, 1871, p. 366. Banks, 1904, gives a poor figure (No. 81) 



of capitulum, scutum and spiracle. 

 Ixodes hexagonus in Salmon and Stiles, 1902, p. 467 (not /. hexagonus Leach, 

 fide Banks). 



Female : Coxa I provided with a long spine, which partially overlaps 

 coxa II. The short spines of coxae II-IV a little shorter than in the 

 type. 



Evidently the N. American form of /. hexagonus. 



