388 ANOPLURA. 



CASE mane and shoulder, which are often rubbed bare in the efforts of 



XIX. ' 



the animal to get rid of its irritating parasite. 



There is an allied species (H. tuberculatus, Burm.) that occurs in 

 Italy on the buffalo. M. Lucas gives a description and figure of 

 it in the Ann. Soc. Ent. Fr., 2nd ser., x. 531. 



Nos H^MATOPINUS ASINI {Linn.'). — 46. Specimens (4) ; 47. Enlarged figure of 



40 — 48. 



ditto ; 48. Illustrative vignette (ass). 

 Infests the ass. 



4^51 H^MATOPiNUS riLiFERUS {BuTin.). — 49. Specimens (4) ; 50. Enlarged 

 figure of ditto ; 51. Illustrative vignette (dog). 



Infests the dog. 



When the dog tick, Hsematopinus piliferus, establishes itself on 

 a dog, it is apt to be extremely troublesome, being very difficult 



Haematopintis piliferus (on the clog), i to ij line in length. 



to get off its hairs, and harbouring in its bedding, and almost 

 defying all attempts at destruction. White precipitate, or ammo- 

 niated chloride of mercury, the preparation used for cleaning 

 off lice from the human patient, applied in the form of ointment 

 well rubbed in, and afterwards well washed off with soap and 

 water, is the best solid substance for this purpose, and a very 

 weak solution of nitric acid answers well as a liquid. But in 

 both cases the dog must be muzzled to prevent it from nibbling 

 at its fur, and thus imbibing some of the poison. It is ashy 

 flesh-coloured, with a slight chequering. The skin is so trans- 

 parent that the food (the blood) shines through its skin, and 



