138 LIVERPOOL MARINE BIOLOGY COMMITTEE REPORT. 



twelve fathoms. It is found living of large size at low water 

 in muddy gravel near Beaumaris (Darbishire). 



One rather small specimen was dredged in August, off 

 Port Erin, Isle of Man, from a depth of fifteen fathoms. 



Echinocardiuin cordatum, Pennant. 



Amjihidotus cordatus, Penn. Forbes, Brit. Star Fishes^ p. 190. 



This species is common in the locality. Byerley records 



having dredged living specimens, and found dead shells 



cast ashore. It is very abundant at low water from Pen- 



maenmawr to Southport. 



It has been found by the Marine Biology Committee at 

 various points on the coast. 



Echinocardium Jiavescem, 0. F. Miiller. 



Amphidotus roseus, Forbes, Brit. Star Fishes, p. 194. 

 This species was found by Forbes, in deep water, on the 

 Manx coast, and also on the North Wales coast. 



It was dredged last August off Port Erin, Isle of Man, 

 from a depth of fifteen to twenty fathoms ; and a number of 

 small specimens, about 7 mm. in greatest length, probably 

 belonging to this species, were dredged off Bradda Head, 

 near Port Erin, from a depth of fifteen fathoms. 



HOLOTHUROIDEA. 



Order.— PEDATA. 

 Family. — Dendrochirot^. 

 Thyone papillosa, Miiller. 



Forbes dredged this species on the scallop-banks, off the 

 Isle of Man, in 1838, and a single specimen was obtained in 

 August, 1885, from a depth of fifteen fathoms, off Port Erin, 

 Isle of Man. 



Thyonidium drummondii, Thompson. 

 Oucumaria drurnmondii, Thompson. 

 Guaumaria communis, Forbes and Goodsir. 

 Thyone portlockii, Forbes. 



