The Echinoclermata of the Firth of Clyde. 335 



Clyde, as off the island of Cumbray, in Eothesay Bay, and 

 the Kyles of Bute, in which places I met with it for the 

 first time in July 1840 " (Forbes, " Brit. Starf./' p. 188). 



EcHiNOCARDiUM CORDATUM (Penn.), Gray. 



Amphidotus cordatus, Forbes, Brit. Starf. 



Common in sand at low water, and dredged in sandy 

 ground in shallow water. 



ECHINOCARDIUM PENNATIFIDUM, Norman. 



Firth of Clyde, off Cumbrae, a single specimen (David 

 Eobertson). 



EcHiNOCARDiUM FLAVESCENS (Muller), A. Agassiz. 



Amphidotus roseics, Forbes, Brit. Starf. 



Loch Striven, 30-40 fathoms, mud. Off Garnock Beacon, 

 35 fathoms. Skelmorlie Bank, 5-16 fathoms. Not uncommon 

 in deepish water. 



Spatangus puepureus, 0. F. Mull. 



Off Cumbrae, not uncommon. Skelmorlie Bank, common. 

 Lamlash Bay. Off Garnock Beacon, 35 fathoms. In sand at 

 low water at Little Cumbrae, a single specimen (David 

 Kobertson). Frequently with Montacuta subsfriafa. 



Echinocyamus pusillus (Mull.), Gray. 



Off Cumbrae. Skelmorlie Bank. Lamlash Bay. Common, 

 especially on a Nullipore bottom. 



Order V.— HOLOTHUEOIDEA. 

 PsoLUS PHANTAPUS (Strussenfeldt), Jager. 



Psolics phantapu», Forbes, Brit. Starf. 



Gair Loch, opposite Helensburgh, 10 fathoms (Forbes et 

 noUd). Kilchattan Bay. Off Callum's Hole, Bute. Off Tar- 

 bert. Loch Fyne, 40 fathoms. In these cases small speci- 

 mens. Off Cumbrae rather rare, dredged, and on lines ; some 



