128 (dr. a. c. oudemans) 



4. Troynhidium gymnopterorum (L.) , larvae. — On Phalangium 

 opilio, Bure, Meurthe et Moselle, August 1897, 



5. Trombidium holosericeum L. , larvae. — On Homo sapiens, 

 Cams familiaris , Gallina gallus , Bure, Meurthe et Moselle , August 

 1896 and July 1897. — 15 ex. 



6. Bryohia praetiosa Koch. — 18 ex — On Arum maculatimi, 

 Sanguisorha , Lychnis, Bois-de-Vincennes, Seine, 20 April 1894. 



7. lihizoglyphus echinopus Fum. et Rob, — 4 ex. — On Crocus 

 vernns, Beaune-la-Rolande , Loiret, September. 



15. On a strange feed of Tyroglyplms loilgior Gerv, 



Tn Januari 1897 Prof. Sorauei' of Berlin sent me a champignon 

 which was pierced by burrows of an Acarus. In 1896 a gardener 

 near Berlin suffered of immense loss of champignons bij these Acari. 

 They proved to be Tyroglyplms lougior Gervais, 



Arnhem, 1 December 1899. 



