AMFHIPODA AND ISOPODA OF THE FIRTH OF CLYDE. 17 



ORCHESTIA MEDITERRANEA, Costa. 



Orchestia mediterranean Costa, Rend. dell. Accad. 

 Sci. Napoli (1853), p. 171. 



Orchestia littorea, Milne Edwards, Ann. Sc. Nat., t. 20. 



Orchestia loevis, Spence Bate, Ann. Nat. Hist. (2nd 

 Ser., 1857), xix., p. 136. 



Habitat. — One only was taken at west end of 

 Cumbrae under stones above high-water mark ; 

 another was sent me from the mouth of the 

 Garnock, Ayrshire, by Mr. John Smith, Kilwinning. 



It has been taken far above high-water mark in 

 Langland Bay, near Swansea, and on the shore 

 near the Bailey Lighthouse, Dublin Bay, by Messrs. 

 S. Bate and West-wood ; also off Rough Island, Strang- 

 ford Lough, by Mr. W. Derragh. 



Genus Hyale, H. Rathke. 

 hyale nilssoni, Rathke. 



Amphithoe Nilssoni, Rathke, Acta Acad. Leopold., 

 t. xx., p. 264. 



Allorchestes Nilssoni, Bruzelius, Bidrag till Kann. 

 Skancl. Amphip. Gam., p. 35. 



Allorchestes Danai, Spence Bate, Rep. Brit. Assoc. 

 1855, p. 57. 



Hyale Nilssoni, Boeck, Crust. Amphip. Bor. et Arct. 

 (1870), p. 14. 



Habitat. — Taken by the dip-net in a shallow creek 

 at Karnes Bay, Millport, Buteshire. Four 'were 

 taken at the time and put into a glass vessel, 

 where they swam about freely. One of them had 

 another firmly clasped under its body (in the 

 manner of Gammarus pulex and others), and main- 

 tained its hold till forced asunder next morning. 



hyale imbricatus, Spence Bate. 



Allorchestes imbricatus, Spence Bate, Report Brit. 

 Assoc. 1856, p. 57. 



Habitat. — Taken by the surface-net after sunset 

 along the rock edges at low- water on the east 



