f)-om the Dogger Bank. 416 



all over the Novtli Sea, but is usually of rare occurrence on 

 the west coast of Scotland. Diirinp; the whole of my resi- 

 dence at Tarbert, Loch Fyne, in 1885-86, the only member 

 of tlie Ilypeviidse I observed was Ilyperia galba, a few speci- 

 mens of Vv'hich were obtained in one of the Aurelia aurita 

 that had been cast ashore by the incoming tide. Mr. David 

 Eobertson states that he obtained a single specimen of Para- 

 ihemisto ohhvia near the Mull of Cantire ; and this was the 

 only one he remembers ever having met with in the Firth of 

 Clyde *. 



Eulhemisto compressa (Goes). 



Themisfo cnmprefsa, Goes, tEfvers. af Kong], Svenska Vetensk.-Akad. 



Fiirhandl. (1865). 

 Euthemisto compressa, G. 0. Sars, Crust, of Norway, p. 12, pi. v. fig. 2 



(1890). 



This is a larger species than the last, and apparently some- 

 what erratic in its movements so far as its presence on the 

 east coasts of England and Scotland is concerned. At one 

 time it may be of frequent occurrence, or even quite common, 

 \\ hile at another time not a single specimen can be obtained. 

 A few specimens only were observed in the tow-net gathering 

 from the Doo-g-er Bank. 



"CO" 



Callisoma a-enata, Spence Bate. 



CuUisoma rrenala, Spence Bale, Cat. Amphip. Brit. Mus. p. 85, pi. xiv. 

 fig. 5 rl862). 



Callistma crenata appears to be a generally distributed 

 species. If a dead half- decayed fish, sea-urchin, or such like 

 is brought up in the dredge, Callisoma crenata is almost 

 sure to be present, and sometimes in swarms, feeding on the 

 putrid animal matter. 



Hij^pomedon denticulatns (Spence Bate). 



Ano7njx denticidatus, Spence Bate, Cat. Amphip. Crust. Brit. Mus. 



p. 75 (1862). 

 Hippomedon de?dktda(us, G. O. Si^rs, Crust, of Norway, p. 56, pi. xx. 



(1800). 



This fine species was frequent in tlie tow-net material from 

 the Dogger Bank. It is readily distinguished from its allies 

 " by the peculiar form of the tooth-like posterior projection 

 of the last epimeral plates of the metasome " f. 



* ' The Amphipoda and Isopoda of the Firth of Clyde,' by David 

 Robertson, F.L.S., F.G.S., p. 65 (1888). 

 t G. 0. Sars, op. cit. p. 57. 



