of the Families Lophogastridae and Eupliausiidae. 463 



2. Thysanoessa lomjicaudata (Kroyer). 



1849. Thyt^anopoda lont/icaudata, Kroyer, Voyage en Scaudinavie &c., 



Crust, pi. viii. fig. 1 a-f. 

 1882. Thysantics'^a tenera, G. O. Sars, " Oversigt af Norges CriLSt. i." 



(Christ. Videusk. Forhand.), p. 53 (separate copy), pi. i. figs. 18, 19. 

 1887. Thys^anoessa lonyiaiudatn, II. J. Hansen, " Overs, over det vestlige 



Griinlands Fauna at' malak. Havskrebsdyr" (Vidensk. Middel. fra deu 



naturli. Foren. i Kjiibh.), p. 54 (separate copy). 



Thrown up in enormous quantity in St. Andrew's Bay, 

 April 22, 1886, and sent to me by Prof. M'Intosh for deter- 

 mination, who wrote subsequently tliat this species, to- 

 gether with Nyctiphanes norvegica^ occurred " so densely that 

 the tidal wave was crowded with them, and miles of sand 

 were strewed with their bodies which the receding wavelets 

 left in streaks and curves " ■^. In * The Naturalist ' of this 

 month (May 1892) Mr. Thomas H. Nelson, in his 'Ornitho- 

 logical Notes from Rcdcar,' writes (p. 144) : — " February 

 10th, 11th, and 12th. Attracted by the number of Kitti- 

 wakes (Rissa tridactylo) to be seen about a mile out at sea, I 

 procured a boat and went off to ascertain the cause of this 

 vast assemblage of gulls ; both east and west, as far as the 

 eye could reach, their graceful white forms were visible, many 

 busily engaged dipping into the water and others flying 

 overhead and then darting down to pick up some object from 

 the surface. I shot two or three examples and found that 

 their mouths were full of small Crustaceans, with which the 

 sea was literally alive ; heaps of these were afterwards washed 

 ashore by sea-winds, and afforded a feast for starlings and 

 other frequenters of the tidal line." Mr. Nelson sent to me a 

 small bottleful of the Crustaceans for determination. The 

 mass of them were Eiithemisto compressa, Goes, an Amphipod 

 allied to Hyperia, which had not been previously observed on 

 our coast. There were also several examples of Nematoscelis 

 megalops, G. 0. Sars, and one of Thysanoessa longicaudafa, 

 Kroyer {Mus. Nor.). 



Distrihution. Greenland, 'Valorous' Exped., Stat. 8; 

 Faroe Channel, 'Triton' Exped., 1882 {Mus. Nor.), lat. 

 59° N., long. 51° W. {Olrik, fide Hansen). Kriiyer's 

 original examples were from lat. 61° N., long. 13° \V., and 

 lat. 60° N., long. 11° W. [Hansen), Western Norway and 

 Varanger Fiord, Finmark [G. 0. Sars). 



* Ann. & Mag. Xat. Hist. ser. 5, vol, xix. 1837, p. 140. 



