Hood — On the Eotifera of the County Mayo. 671 



C lidens, Gosse. iN'umerous in a marsh-pool, 2|- miles east of West- 

 port, 1892. 



C. bihamata, Gosse. A number of specimens in vegetable sediment 

 from a small lake on the Knappagh-road. 



Family Adustetid^. 



Adineta vaga, Davis, Two examples only were found, consorting 

 together with Callidina lihamata. 



Oedee III. — PLOIMA. Sub-order Ixloeicata. 



Family Mickocodonid^. 



Microcodon clavus, Ehrenberg. I found a large number of this rare 

 little gem (already got in Wexford by Miss Glascott), in the large 

 lake at Castlebar, in 1891. 



Family AsPLANCHNiDiE. 



AsplancTina IrightwellU, Gosse. A large number of examples occurred 



in Castlebar lake in 1892. 

 Sacculus viridis, Gosse. This species occurred abundantly in a mossy 



pool 500 feet above the level of the sea, to the east of "Westport, 



in 1889, '91. 



Family Syi^chaetidjs. 



Synchaeta pectinata, Ebrenb. Plentiful in bog-pools all round West- 

 port. This handsome swift-swimming Eotifer was especially 

 abundant in 1892, when every pool contained fine examples; it 

 was not so numerous, yet by no means scarce in 1894. 



8. tremula, Ehrenb. Quite as prolific in 1892, '94, as the former 

 species, in the bogs around Westport. 



S. ollonga, Ehrenb. I met with this rare species in an old quarry on 

 a hill near Westport, where several examples occurred in com- 

 pany with Sacculus viridis. 



8. longipes, Gosse. H. and G., Supplement, p. 17. JSTumerous in a' 

 lake on the Knappagh road, near Westport. 



8. haltica, Ehrenb. I found this marine species plentifully in 1892, '94, 

 in a lagoon near Westport Harbour, and in other tide-pools in 

 Clew Bay. 



8. tavina. Hood. Int. Journ. of Microscopy and N. S., 1893. Pro- 

 lific in a lagoon near Westport Harbour, 1894. 



R.l.A. PKOC, SEE. ni., VOL. III. 2 T 



