326 
ARACHNIUEgi. 
Atoma, Lat. 
Neither sucker nor palpi visible, the mouth merely consisting of 
a small orifice on the chest. The body is oval and soft, the legs 
very short *. The 
OcYPETE, Leach, 
Belongs to this tribe by the number of legs; but, according to him, 
these animals are furnished with mandibles f . 
* Acarus parasiticus, De Geer, VII, vii, 7 ; — Tromhidiutn parasiticum, Hermann. 
Ocypete rubra, Leach, Lin. Trans., XI, 396. On the Tipulae. 
