of the Coasts of Nordland and Finmark, 271 



Solen pellucidus. Neaeraobesa. 



My a truncata. Saxicava arctica. 



arenaria. Thracia convexa. 



Neajra cuspidata. phaseolina. 



■ costellata. Teredo norvegica. 



Deep-sea Coral Zone. 



Off the coast of Nordland the ground of this zone was gene- 

 rally mud, but in the north a fine gravel or sand. The charac- 

 teristic shells of the region are, Eulimella Scillcs, Dentalium 

 vitreum, Cylichna alba, Cardium fasciatum and suecicum, Leda 

 lucida, Lucina flexuosa, and Area raridentata. 



Most of the Arctic Echinodermata are found in this zone ; 

 the following are the species most generally met with : — Psolus 

 squamatuSj Eupyrgus hispidus, Schizaster fragilis, Amphidetus 

 ovatus, the three species of Astroffonium, Pteraster militaris, 

 Ctenodiscus crispatus, Astropecten arcticus and Lutkeni, Ophiura 

 albida and Opkiacantha spinulosa. Oculina prolifera has only 

 been taken living in this zone. Several species of Sponge are 

 common. 



Testacea of the Deep-sea Coral Zone. 

 Gasteropoda. 



Cancellaria viridula. Eulimella Scillae. 



Trichotropis borealis. Eulima bilineata. 



Fusus propinquus. Cerithium metula. 



islandieus. Trifo'ris M* Andrei. 



norvegicus. Aporrhais pes-carbonis. 



Trophon clathratus. Margarita alabastrum. 



Gunneri. undulata. 



craticulatus. cinerea. 



Buccinum Dalei. Scissurella crispata. 



Humphrey sianutn. Puncturella noachina. 



fusiforme. Patella caeca. 



undatum. Pilidium fulvum. 



Pleurotoma nivale. Dentalium entale. 



Bela turricula. vitreum. 



rufa. Chiton Hanleyi. 



Trevelliana. asellus. 



Defrancia pyramidalis. alveolus. 



Natica Montagui. Cylichna alba. 



pusilla. truncata. 



clausa. Philine quadrata. 



Chemnitzia, sp. 



Brachiopoda. 



Terebratula cranium. Rhynchonella psittacea. 



Terebratulina caput-serpentis. Crania anomala. 



Lamellibranchiata. 



Anomia ephippium. Pecten, sp. 



Pecten tigrinus. , sp. 



grcenlandicus. Lima subauriculata. 



