long and extend beyond the fifth segment, these bristles being thinner and 

 shorter than the corresponding long bristles of V. alakurt. 



Fig. 5. 



The species was discovered on a roedeer at Yen-an Fu, Shensi, by Capt. 

 H. £. M. Douglas on January 19th, 1909. The much distended females were 



" taken from the nostrils of the Roedeer Several roedeer were 



shot in the district, but nothing more of the kind was noticed." 



The males were " taken from the skin of the same Roedeer " on which 

 the distended females were found. 



A small series of both sexes was obtained. 



203 



