-994 



MR. STANLEY HIRST ON 



' Demodex sciURiNUS, sp. n. (Text-fig. 19.) ^ 



• Vai'iety of J), melesinus ? 



' 2 . Body about five times as long as the greatest width of the 

 cephalothorax. Abdomen longer than the combined length of 

 capitulum and cephalothorax. Capitulum not much wider than 

 long. Striations on dorsal surface apparently all longitudinal in 

 <lirection, the convoluted pattern present in D. melesinus 



Text-fieure 19. 



Demodex sciurimis, sp. n., 



Dorsal view. 



apparently being absent. Spinules on capitulum very minute as 

 in D. foUiculorum and B. melesinus, but not so short as in the 

 latter. Distal part of capitulum sharply angular and salient 

 laterally. 



Measurements. Total length of body 165 /* ; length of cephalo- 

 thorax and capitulum 67 /i ; of abdomen 98 /a. Greatest width 



