(db. a. c. oudemans) list of dutch acari. 259 



GYSTICOLAE Mégn. 1880. 

 Cy tody tes MèCxN. 1876. 



76. Cijtochjtes nudus Vizigli (sarcoptoides Mègn.) 



In Gallina gallus , ütreclit, 6 (mihi); Amsterdam, 5 (P. 

 Koorevaar.) 



PSORIGAE Del. Bourg. 1862. 

 Sarcoptes Latr. 1805. 



77. Sarcoptes scahlei L. 



On Homo sapiens, not very common. 



78. Sarcoptes scahiei L. var. caìiis Gurlt. 



On Canis familiar is , Amsterdam (P. Koorevaar). 



79. Sarcoptes scahiei L. var. suis Gerl. 



On Sus scrofa domestica, Amsterdam, (P. Koorevaar). — 

 Some time ago often in our southern provinces. 



80. Sarcoptes scatnei L. var. equi. Gerl. 



On Equus catjallus, Amsterdam, (P. Koorevaar). — Very 

 common in ali our provinces. 



81. Sarcoptes scabiei L. var. ovis Mègn. 



On Ovis aries. Was first found in our country on sheep 

 in 1893 by Mr. Laméris, Veterinarian, in the Hague. Very 

 rare in our country. 



82. Sarcoptes scabiei L. var. Jiydrochoeri Mègn. 



On liijdroclioerus capi/hara , Amsterdam , Zoological Gardens. 

 Nov. 1896. (P. Koorevaar.) 



83. Sarcoptes cali Hering. 



On Felis maniculata domestica. — Often , Amsterdam , 

 (P. Koorevaar). Some $ measure 0.233 m, m. 



84. Sarcoptes cati Hering var mûris Mègn. 



On IIus decumamts. — Very often , Amsterdam , (P. Koo- 

 revaer). — I have found that this variety makes burrows in 

 the tail of the rat. — Some pregnant females measure 0,435 

 m.m. — Sneek, 1, 10, 11. 



85. Sarcoptes cali Hering, var musculi mihi, (see p. 267). 



On Mus musculus , Sneek, 1, 3, 10, 11. 



