CHAr. III.] THE CRUISES OF THE ' porcupine: 99 



another, and sometimes vividly illuminating the whole 

 outline of the star-fish. 



On the 27th we dredged in 862 fathoms (Station 42), 

 the weather being still very fine, and the sea quite 

 smooth. The bottom was ooze, with sand and dead 

 shells. Among the Mollusca procured were a new 

 species of Pleuronectia, Leda abyssicola (Arctic), Leda 

 messmensis (a Sicilian tertiary fossil), Dentaliiim 

 gigas (sp. n), Siphonodentallum (sp. n.), Ceri'.hium 

 metida, Amaura (sp. n.), Cohimbella Jialkeeti, Cylichna 

 pyramidata (Norwegian and Mediterranean), and 

 many dead shells of Cavollna trispinosa. These 

 latter were very common in all the northern dredg- 

 ings, though we never saw a living specimen on the 

 surface. 



During the afternoon we took a series of inter- 

 mediate temperatures, at intervals of 50 fathoms, from 

 the bottom, at 862 fathoms to the surface. 



On the 28th we dredged in 1207 fathoms (Station 

 43), with a bottom of ooze. A large Fusus of a new 

 species {F. attennalus, Jeffreys) was brought up alive, 

 with two or three Gephyrea, and an example each of 

 Ophiocfen sericeum and Echinocucumis typica. We 

 again dredged on the 29th and 30th, gradually draw- 

 ing in towards the coast of Ireland in 865, 458, 180, 

 and 113 fathoms successively (Stations 44, 45). In 

 458 fathoms (Station 45) we procured a broken 

 example of Brisinga endecacnemos, previously taken 

 by Mr. Jeffreys off Valentia, and a number of 

 interesting Mollusca ; and in 458 and 180 fathoms 

 (Stations 45 and 45^) an extraordinary abundance of 

 animal life, including many very interesting forms— 

 Dentalinm abyssonm, Aporrhals serresiaims, Solarium 



II 2 



