chap, in.] the cruises of the ' porcupine: 87 



weather, off Valentia and between Valentia and 

 Gal way, at depths varying from 80 to 808 fathoms 

 (Station 2), with a temperature at the latter depth of 

 5°-2 C. The general character of the fauna was that 

 which we have hitherto been in the habit of regarding 

 as Northern. Several interesting things were met 

 with — Nucula tumidula, Malm.; Eeda frig id a, Tov^eli,; 

 Verticordia abyssicola, Jeffreys ; and Siphonodenta- 

 lium quinquangulare, Forbes. Among the echino- 

 derms a multitude of the large form of Echinus norve- 



Fig. 8. — Gonoplax rliomboidcs, Fabbicivs. Young. Twice the natural size. (No. 3.) 



gicus, D. and K., which I am now inclined to regard, 

 along with several of its allies, as a mere variety of 

 E. flemingii, Ball ; and the fine asterid already 

 mentioned, Brisinga coronata, G. O. Sars. Some 

 interesting crustaceans, including Gonoplax rliom- 

 boides, Fab. (Fig. 8), a well-known Mediterranean 

 species, and a young specimen of Geryon tridens, 

 Kroyer (Fig. 9), a rare Scandinavian form, and the 

 only known North European brachyurous crustacean 



