642 E. J. ALLEN. 



Salstoiie and in the upper parts of Salcombe Harbour (Journ. M.B.A., 

 vol. 6, 1900, p. 199). 



Dasychone bombyx (Dalyell) : de St. Joseph, Ann. Sci. Nat. Zool. 

 XVII. 1894, p. 309. 



Plymouth. Amongst Laminaria roots from the shores of the 

 Sound and amongst Ascidians from Millbay Dock. Occurs on all 

 the dredging grounds in the Sound, and outside to Eddystone 

 . Grounds. 



Dredged by Crawshay at a number of positions S.S.W. of the 

 Eddystone in depths of 40-49 fms. (Journ. M.B.A., vol. 9, 1912, p. 346). 



PoTAMiLLA RENiFORMis (0. F. Mliller) : de St. Joseph, Ann. Sci. Nat. 

 Zool. XVII. 1894, p. 292. 



Plymouth. Large specimens from the shore at Eum Bay and 

 JennyclifE Bay in crevices of shale. Occurs also attached to rocks 

 below the Laboratory, at Wembury Bay and other rocky shores. 

 Not uncommon in holes in limestone from Plymouth Breakwater. 



Torquay. On the sides of a cave at Petit Tor {Elwes, Journ. M.B.A., 

 vol. 9, 1910, p. 65). 



Potamilla Torelli Malmgren : de St. Joseph, Aim. Sci. Nat. Zool. 

 XVII. 1894, p. 296. 



Plymouth. Common in dredgings from Millbay Channel, Asia 

 Shoal and Yealm River. 



In the former list Potamilla incerta Langerhans, found in dredgings 

 from the Yealm Biver, was recorded. Fauvel considers this form 

 to be a young stage of P. Torelli. 



Torquay. Common in small rock pools in the limestone rocks 

 between Oddicombe and Babbacombe beaches {Elwes, Joum. M.B.A., 

 vol. 9, 1910, p. 65). 



BisPiRA volutacornis (Montagu) : de St. Joseph, Ann. Sci. Nat. Zool. 

 XVII. 1894, p. 286. 



Plymouth. In cracks between rocks at extreme low-tide mark 

 on Reny Rocks and in Jennycliff Bay. 



Myxicola infundibulum (Renier) : de St. Joseph, Ann. Sci. Nat. Zool. 

 V. 1898, p. 433. 



Plymouth. Found occasionally on the shore. North side of 

 Drake's Island (r.a.t.) ; Barn Pool (e.j.a.) ; Ram's Cliff Point (s.p.). 

 Salcombe. Very frequent on all parts of the Salstone and on the 

 Zostera flat immediately to the south of Pilworthy Point. Occa- 

 sional specimens in the lower pai-ts of Salcombe Harbour (Joum. 

 M.B.A., vol. 6, 1900, p. 199). 



Myxicola (Leptochone) ^sthetica Claparede : Annel. Chetop. 

 Naples, Supplement, 1870, p. 150. 



Plymouth. Common in dredgings fi'om Millbay Channel and 



