/. japonensis and canisuga 



209 



uniform, slight auriculae. Hypostome long, narrow, 4 1 4 near the tip 

 (corona), then 2 1 2 with a median unarmed ridge. Palps medium, 

 article 2 scarcely longer than 3. Leys: coxae unarmed; coxa I with 

 internal angle sharp, all, especially coxa II, trenchant on their posterior 

 border. Tarsi long, slender, tarsus 4 tapering gradually, the others 

 somewhat humped ; pad almost as long as the claws. 



Fig. 200. Fig. 201. 



Fig. 200. I. japonensis ? : capitulum in dorsal and ventral aspects. Drawn from the 



unique type in the Paris Mus. (Original, G. H. F. N. del.) 

 Fig. 201. I. japonensis $ : dorsal aspect of body, venter, spiracle and tarsus i. The 



same specimen as the one to which the preceding figure relates. The scutum is 



injured, there being a triradiate crack in the centre, indicated in the figure. (Original, 



G. H. F. N. del.) 



Our description is based on one % (type) collected in the vicinity of 

 Tokio, Japan, by J. Harmand, 1901 (Paris Museum). 





28. IXODES CANISUGA Johnston, 1849. 



Figs. 202-209 (original). 



Lit. and Synon. : Ixodes canisuga Johnston, 1849, p. 371 ; Evans, 1907, p. 36 ; 

 Banks, 1908, p. 32. 

 Ixodes plumbeus, in Wheler, 1899 ; see Wheler, 1906, p. 413. 

 Ixodes hexagonus var. inckoatus Neumann, 1901, p. 283; Wheler, 1906, p. 413. 



We feel justified in reviving the overlooked species of Johnston, 

 to which attention was drawn by Mr William Evans (1907) to whom 

 we are indebted for an abstract of the author's original description. 

 The latter is not accompanied by a figure and is very brief, but he 

 distinguishes canisuga from hexagonus (to which it is " nearly allied "), 

 and describes the scutum of the former as "heart-shaped, with base 

 forward- and widely emarginate, chestnut-brown, punctured, obsoletely 



