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CRUSTACEA. 
ORDER CLADOCERA. 
Genus Daphnia. 
D. pulex, Mull. 
“ Pond at Cranmore.” Templeton MSS. 
D. longispina, Miill. 
“ Pond at Cranmore.” Templeton MSS. 
Genus Sida. 
S. crystallina , Edw. 
Professor Allman lately sent me sketches of a Daphnia obtained by 
him during autumn in a little subalpine lake near Killarney, where it 
was in profusion adhering to the under sides of the leaves of the water- 
lily ( Nymphcea alba). On the sketches being transmitted to Dr. Baird of 
the British Museum, he at once recognised in them the D. crystallina , 
Miill. (sida, Straus), adding that he had met with the species but in two 
localities — near London — and in both sparingly. 
Genus Lynceus. 
P. lamellatus, Miill. Eurycercus lamellatus, Baird. 
Taken in Lough Neagh at the beginning of August, by Mr. A. H. ITa- 
liday and W. T. 
Genus Polyphemus. 
P. oculus, Miill. 
North of Ireland “ in marshes and drains, very rare.” Templeton MSS. 
FOURTH LEGION— ENTOMOSTRACA. 
ORDER OSTRAPODA. 
Genus Cypris. 
C. conchacea, Desm. 
North of Ireland, Templeton MSS. Clifden, Mr. Haliday. 
C. Candida, Desm. 
Clifden, Mr. Haliday. 
' C. reptans, Baird. 
Taken with last ; together with a species of Daphnia, believed by Dr. 
Baird to be undescribed ; the lynceus and Cypris were named by this 
gentleman ; the specimen of the latter, being in a bad state, was marked 
with a note of doubt. 
Genus Cytherea. 
C. viridis, Latr. 
“ Among Fuci at Bangor and Macedon Point, in Belfast Bay.” Mr. 
Templeton. 
