Zoo log}'. 225 



Lobsters ( Homarus vulgaris) occur in Belfast Lough, 

 but the so-called Norway Lobster ( Nephrops norvegkus) 

 frequents only the deeper waters off the County Down coast. 



Of the Shrimp trilje, Crangon vulgaris — the Common 

 Shrimp — is abundant in Belfast Lough. C./asciaius, C. sculp- 

 tus, C. Allmani, C. Pattetsoni, and Patidalus annulicornis 

 have all been taken in this locality, or just outside the 

 Lough. Hippolyie Thompsoni, which was named after 

 Thompson by Thomas Bell, has only been dredged off the 

 north-west coast of Ireland. The so-called Common Prawn 

 ( Faliemon serratus) appears to be rare, as is also P. varians; 

 only the small P. squilla is at all abundant.^ 



'Lhe only member of the Cumacea recorded from the 

 north-east of Ireland is Iphinoc irispinosa, which is rarely 

 taken in Strangford Lough. 



A most useful revision of the Amphipoda of the British 

 Isles is at present being published by the Rev. Canon 

 Norman,- who has made a special study of the Crustacea. 

 He himself has used the dredge extensively round the Irish 

 coasts, and has given us many valuable records of the 

 species frequenting the Irish seas, especially those of the 

 west coast. 



To seaside visitors, the Common Sandhopper (Talictrus 

 locusta) is a familiar object, and it may serve as a type 

 of an .Amphipod. Most of the other members are rare on 

 the Irish coast. Orchestia Deshayesi, Lysianassa costce., 

 Iphimcdca obcsa, Melita palmafa, Byhlis Gaiifia?-di, and 

 Paramphithoc bicuspis are all small forms which have 

 occasionally been met with in Belfast Lough. Lysiatiassa 

 atlaniica and A7nphithoc ruhricata have only been found in 

 Strangford Lough. Two species (viz., Gammarus marinus 

 and G. campylops) occur in Lough Neagh and in the River 

 Lagan. Among other rare .^mphipods occurring in the 

 Belfast Lough might be mentioned Hypcria galla, and the 

 Skeleton Shrimp Caprclla acanthifera. 



The concluding group — Isopoda — contains Crustacea 

 resembling the Common Woodlouse. The latter may be 



' J. R. KiNAH.\N. — On the Britannic Species of Crangon and Galathea. 

 Trans. A'. Irish Acad., vol. xxiv. (Science), 1861. 



- .\. .M. NoKMAN. — British .Amphipoda. Ann. and Mag. Nat. Hist., 

 vols. V, etc. (7th s. ), 1900, etc. 

 O 



