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CRUSTACEA. 
Genus Lerneonema. 
L. monillaris , Edw. 
This species has been favoured me by Dr. Ball, who procured speci- 
mens adhering to the sprat ( Clupea Sprattus ) at Youghal. Dr. Ball re- 
marks that when alive it is of a beautiful green colour, and generally ad- 
heres to the cornea of the fish’s eye : one of those sent to me is fixed to 
the body of the sprat close to the dorsal fin. 
Genus Lernea, 
L. branchialis, Kroyer. 
Gills of the cod. Belfast Bay, 1844 and 1848, W. T. ; and Dublin, 
Mr. Glennon. 
ORDER PYCHNOGONIDA. 
Genus Nymphon, 
N. gracile , Leach. 
Shores of Antrim and Down, W. T. 
N. grossipes, Linn. 
“ North of Ireland,” Mr. Templeton. 
N. Johnstoni , Goodsir. 
The first specimen of this Nymphon which I have seen was taken by 
Dr. J. L. Drummond at Macedon Point, Belfast Bay, upwards of twenty 
years ago. From 1834 to the present time I have occasionally procured 
it on the North-East coast. 
N. spinosum , Goodsir. 
Examples of this species have been taken in Belfast Bay, & c. 
N. femoratum, Leach. 
Dredged from eight to ten fathoms at Donaghadee in May, 1843, by 
Dr. J. L. Drummond. 
Leach only is quoted by M. Edwards, vol. iii. p. 534, for this species, 
who notes it however as inhabiting “ La Manche.” 
Genus Orytiiia. 
O. coccinea, Johnst. 
Portaferry, Strangford Lough, 1837, Mr. Hyndman and W. T. 
Genus Phoxichilidium. 
P. globosum , Goodsir, 
I obtained among zoophytes thrown ashore at Portmarnock, on the 
Dublin coast, in Aug., 1840. This species was only known to its describer 
as taken in Orkney by Prof. Forbes and Prof. Goodsir. 
