279 



Mr. S. A. Poppe, of Vegesack, sent me some Acari found on 

 a bat, Vespertilio murinus; in Argenton-sur-Creuse. 7, 1898. 

 They were: 



Spinturnix mystacina (Klti.), (see below) and Liponyssus spinosus 

 Oudms., no?. sp. (see below). 



The following Acari were sent to me for determiuation by Dr. 

 F. Heim, of Paris, who caught them in Buré, Meurthe et Moselle. 



Parasitus coleoptratorum (L.), deutonympha ; in dung in a 

 greenhouse, 9, 1900. 



Thrombidium holosericeum (L.), larvae; on Gryllotalpa vulgaris, 

 6, 1900; on Ophion luteum, 8, 1900; on Musea domestica, 8, 

 1900; on grashoppers, 9, 1900. 



Thrombidium gymnopterorum (L.) nympha and adult, on plants, 

 9, 1900. 



Bdella longicornis (L.), on plants, 9, 1900. 



Tetronychus telarius (L.), on Datura stramonium, 11, 1900. 



Notaspis trimaculatus (C. L. Koch), on a cadaver. 



Tyroglyphus agilis Oam., in dung in a greenhouse, 11, 1900. 



In July and August, 1900, Jhr. Dr. Ed. J. G. Evee/ts, of the 

 Hague, stayed some weeks in Cauterets (Hautes Pyrenées) and 

 collected the following Acari: 



Parasitus coleoptratorum (L.), 3 ex. 

 » crassipes (L.), 3 ex. 



» evertsi Oudms., 1 ex., ilOV. sp. (see below). 



» fucorum (de Geer), 7 ex. 



Macrocheles marginatus (Herrn.), 1 5 tritonymphae heteromorphae 

 femininae generantes. 



Emeus pyrenaicus Oudms., 1 ex., nympha, HOV, sp. 



Ixodes ricinus (L.) (f. 



Anystis baccarum (L.), 4 ex. 



Oribata geniculata (L.) 2 ex. 



In August 1900, Mr. A. Brants, of Arnhem, made a little 

 trip in Bretagne. Near Cancale he saw great quantities of Ulex 

 europaeus L., wholly covered with the silvery tissue of millions 

 of red mites, of which he secured a few specimens with which 



