92 The Irish Naturalist. [ April, 



Euryccrcus lamellatus, MlUler. Common everywhere in weedy 



ponds. 

 Acropcrus tiarpa, Baird. Near Oalway (6). 



Alonopsls elongata, Sars. L. Corrib and L. Clonliugh (4); Con- 



nemara (7). 

 Lynccus costatus, Sars. Connemara(7). 

 L. testudlnarlus, Fischer. Connemara (7). 

 L. nanus, Baird. Connemara (7). 

 L. afflnis, Kurz. Near Galway (6). 



Graptoletocris tcstudlnaria, Fischer. Near Galway (6). 

 Alonella nana, Baird. Near Galway (6). 

 PIcuroxus trlgoncllus, Miiller. Near Galway (6). 

 Chydorus sphaerlcus, Miiller. Common all over Ireland. 

 C. gloDosus, Baird. Connemara (7). 

 Polyphemus pediculus, De Geer. L. Corrib and L. Bay {4) ; Lough 



Columbkille, near Ballyshannon. This species is very local ; it 



appears to swim in shoals usually within a few yards of the shore. 

 Bythotrcphes longimanus, Lilljeborg. Very plentiful in Upper 



L. Erne in 1886-7-8 (5). Rare in L. Melvin, and the individuals are 



smaller than in Iv. Erne. 

 Lcptodora hyalina, Lilljeborg. Common in Upper L. Erne (5); 



neighbourhood of Galway (6). 



REFERENCES. 



1. Baird, W. Nat. Hist, of Brit. Entomost.; Ray Society, 1850. 



2. Scourfield, D. J., Entomost. of Wanstead Park. Journal of the Q. 



Micro. Club, Ser. 2, Vol. v. 

 2. „ Prelim. Account of the Entomost. of N. Wales, 



Journal of Q. Micro. Club, Ser. 2, Vol. vi. 



4. Andrews, A. Irish Naturalist, Vol. ii., page 24. 



5. Creighton,R. H. Irish Naturalist, Vol. ii., page 24. 



6. Hodgson, T. V. Irish Naturalist, Vol. iv., page 190. 



7. Norman & Brady. A Monograph of B7itish Entomost., London, 1867. 



8. Birge, E,. A. List of Cladocera from Madison, Winsconsin. 



Trans, of Winsconsin Acad, of Sc, &*c.. Vol. viii., 

 page 397. 



