1. 



(dr a. c. oudemans). notes on acari. l'îO 



quite under the first joint of the palpi two featliered hairs on 

 each side. 



On legs, palin , mandlhles etc., no particularities. The femurs 

 have no blade at all. 



Habitat 'Ì Occasionally on a bat. 



Patria : Russia. 



18. Key to the species of Uropoda Latr. 



Median dorsal shield ornated 



with chitinous ridges ... 2 

 Median dorsal shield without 



such ridges 4 



Anteriorpart of abdomen simu- 

 2. ] lates a céphalothorax . . . berlesiana Beri. 

 ( No simulation of cephalotorax. 3 



iTwo suboval spaces on dorsum 

 joined by a median line. . festiva Beri. 

 No such arrangement . . . laminosa Can. et Bei\ 

 1 Anterior margin with chitinous 



^. membrane 5 



^ No such membranes ... 6 • 



Body subpyriform; membranes 



extending to legs 4 . . . canestriniana Beri. 

 Body broad-oval; membranes 

 extending to legs 2 . . . cristiceps Can. 

 g ( Dors, concave; margins upward carinata Beri, 

 ( Dors.convex; margins downward 7 



iAnal shield distinct , separate 

 from ventral shield ... 8 

 Anal shield fused with ventral 

 shield 11 



I Sternal shield post, denticulate; 

 1 anal shield crescentshaped . 9 



I Sternal shield indistinct or pos- 

 teriorly not denticulate . .10 

 lijdschr. V, Entom. XLV. 10 



