(dr. a. c. oubemans) list of dutch acari. 251 



3. Äcarus farinae L, — 



In old cheese, Utrecht, 10. 

 In canary-seed , Sneek , 7. 

 In poultry-meal , Brummen , 8. 

 On a stuffed bird, Utrecht, 1. 



4. Acarus spinitarsiis Herm. {mycophagus Mégn.). 



Hypopus, on Bombus sp. , Sneek, 5. 



Adult, on a decaying hyacinth-bulb, Wageningen, 12 

 (Prof. Dr. J. Ritzema Bos). 



5. Acarus sp. In canary-seed, Sneek, 7. 



In poultry-meal , Brummen , 8 



6. Acarus sp. — On Quelea sangu'mirostris , Sneeck, 12. 



7. Äcarus sp. — Under lichen on Ulmus campesiris , Sneek, 1. 



Carpoglyphus Rob. 1860. 



8. Carpoglyphus passularum Hering. 



On plums, Utrecht, 1. 



Coepophagus Mégn. 1880. 



9. Coepophagus echinopus Fum. Rob. 



Hypopus and adult, in a decaying hyacinth-bulb, Wage- 

 ningen, 12 (Prof. Dr. J. Ritzema Bos}, Haarlem, 12 

 (Krelage). 



10. Coepophagus phylloxerae Planch. {Megninii Haller). 



Hypopus and adult, in a decaying hyacinth-bulb, Wage- 

 ningen, 12 (Prof. Dr. J. Ritzema Bos), Haarlem, 12 

 (Krelage). 



Glycyphagus Hering, 1838. 



11. Glycyphagus doniesticus de Geer [cursor Gerv.). 



In cork, Batavia, Sneek, 12, Arnhem, 12. 



In dust, Sneek, 11. 



In tobacco, Utrecht, 4. 



In furniture. Assen, 10, The Hague, 10, Utrecht, 10. 

 The Acari were present in thousands, literally covered the 

 furniture, of the whole house. They fed on the animal fat 



