160 (dr. a. c. oudemans). new list of dutch acari, I. 



1841. Zetes alatm Koch, Deu. Cr. Myr. Ar. 31,6. Psstg. org. 



distincly davate, shorter than those of dorsalis. 

 1841. Zetes satellitms Koch, Deu. Cr. Myr. Ar, 31,13, nympha. 

 1855. Orlbata alata Herm, Nie. in Arch. Mus. VII, p. 431, t. 



4, f. 1, la. 

 1877. Orihates alatus Herm. Can en Fanz. in Att. R. 1st. Ven. Sc. 



Lett. Art. (5) IV, p. 13. 

 1885. Idem. Can. Prosp. Acarofauna Ital I. p. 12 

 1896. Idem. Berlese, A. M. S. , fase. 78, nr. 9. 



The second species has filiform pseudostigmatic organs; they 

 may be perfectly of the same thickness throughout and smooth, 

 or provided on their distal lialf with extremely minute and only 

 with high powers visible hairs, and in this case the distal half is 

 twice thicker than the proximal half: 

 1841. Oribata climatus Koch. Deu. Cr. Myr. A. 31,5. 

 1877. Idem. Can Fanz. in Att. R. 1st. Ven. Sc. Lett. Art. (5) 



IV. p. 13. 



1883. Idem. Beri in Bull. Soc. Ent. It. XV. p. 218. 



1884. Orlbata alata (Herm.) Michael Brit. Orib. p. 257. (partim). 



1885. Orihates climatus Koch. Can. Prosp. Acarofauna Ital. I, p. 13. 

 The third species has long, very slender, smooth pseudostigmatic 



organs with a lanceolate head ; I will call it Notaspis lanceatus. 

 1884. Oriljata alata Herm. Mich. Brit. Orib. I, p. 257 (partim) 

 and Tab. X, fig. 1. 



1886. Oribates elimatus Berlese. A. M. S. fase. 30, nr. 1. 

 Change therefore the «key» on page 11 of «Das Tierreich, 



Oribatidae » , as follows : 



( Psstg. org. short, davate N. alatus. 



\ Psstg. org, otherwise — 32a. 

 Psstg. org. long, slender, almost filiform . N. elimatus. 

 32a. j Psstg. org. long, slender, with fusiform or 

 lanceolate head — 33. 



Dors, of Abd. plain N. lanceatus. 



Dors, of Abd. with fine longitudinal wrinkles N. riigifrons. 



