of the Fishery Board for Scotland. 



325 



not easily perceived unless when crawling. Pleurophyllidia loveni, Bergh, 

 an interesting species belonging to a group closely allied to Limapontia, 

 was found among some trawled material on board the steam trawler 

 ' Southesk,' while engaged fishing in the Moray Firth. Dr Jeffreys says, 

 1 My friend the late Mr Barlee, dredged on the coast of Shetland a single 

 ' specimen, which I exhibited at the Birmingham Meeting of the British 

 ' Association in 18-19. The Re 7. R, C. Abbes procured another specimen 

 1 from a fishing boat at Whitburn, co. Durham.' * I do not know of 

 any British habitat for this species, other than the two mentioned by 

 Jeffreys, and that of the Moray Firth now recorded. 



PTEROPODA. 



Spinalis retroversus (Fleming). 



Fasus retroversus, Flem., Mem. Wern. Nat. Hist. Soc, iv. p. 498, 

 t. xv. fig. 2. 



Spinalis retroversis, Jeffreys, Brit. Conch., v. p. 115, pi. iii. fig. 4, 

 and pi. xcviii. fig. 4 (18G9). 

 Ilahitat. — Occasionally in tow-nettings between Inchkeith and May 

 Island, but not very common. 



Clione borealis (Bruguiere). 

 Olio borealis, Brug. 

 Clio retusa, Miill. & Tab. 

 Habitat. — One specimen in some surface-net material collected east of 

 Inchkeith. I kept the specimen alive for two days, when it was acci- 

 dentally killed. The mollusc appeared to move only by means of the 

 two fin-like processes placed immediately behind the head, which were 

 thrown at the same time alternately backwards and forwards, something 

 like the movement of the wings of a bird, but differing by the mollusc's 

 fins nearly meeting every time in both the backward and forward move- 

 ments. The plane of the fin was in line with the body, but the mollusc 

 when propelling itself through the water did so by twisting the fin so as 

 to strike the water with it in a manner somewhat similar to that of the 

 blade of a steamship's propeller. The mollusc gradually sank to the bottom 

 of the jar in which it was unless the fins were kept in constant motion, 

 and it did not seem to have the power of moving very rapidly through the 

 water. 



VERTEBRATA. 

 Pisces. 



Arnorjlossus megastoma (Donovan). 



Pleuronectes megastoma, Don., Brit. Fish., iii. pi. li. 

 Sail fluke, A. Carter, Couch, Fish. Brit. Isles, iii. pp. 163, 167, 

 pis. clxiii. clxiv. 



Amoglossus megastoma, Day, Brit. Fish., ii. p. 21, pi. xcviii. 

 (1880-84.) 



Habitat. — A few specimens inside May Island and near Fidra. This 

 species is not recorded by Dr Parnell in his Fishes of the Firth of 

 Forth, and is probably not very common in the estuary. Its distribu- 

 tion in the British seas extends from the Orkneys to the English Channel. 

 It is easily distinguished from the 1 witch ' or ( long flounder,' which it 

 somewhat resembles, by having a much larger mouth, and especially by 

 being a left-sided fish — that is, having the eyes and mouth on the left 



* Brit. Conch., vol. v. p. 18 (1869). 



