of the Coasts of Nordland and Finmark. 271 



Solcn i)ellnci(liis. Netcraobesa. 



Mya tiuiipata. Saxicava arctioa. 



arenaria. Thracia convexa. 



Neajra cuspidata. phaseoliaa. 



• costcUata. Teredo norvcgica. 



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 Scillce, Dentalium 

 vitreum, Cylichna alba, Cnrdium fasciatuin and suecicum, Leda 

 lucida, Lucina ftexuosa, and Area raridentata. 



Most of the Arctic Echinodermata are found in this zone ; 

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

 squamatus, Eupyryus hispidus, Schizaster frngilis, Amphidetus 

 ovatus, the three species of Asirof/onium, Pteraster ntilitaris, 

 Ctenodiseus crispatus, Astropecten arcticus and Lutkeni, Ophiura 

 albkla and Ophiacaatlia spinulosa. Oculina proUfera 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 Scillas. 



Trichotropis borealis. Eulima bilineata. 



Fusus propinquus. Cerithium metvila. 



islandicus. Triforis M'Andrei. 



norvegicus. Aporrhais pes-carbonis. 



Trophoa clathratus. Margarita alabastriini. 



Giinneri. iindulata. 



craticulatus. cinerea. 



Buccinum Dalei. Scissurella crisjjata. 



Ilumphreysianuni . Pimcturella noachina. 



fusiforme. Patella ca;ca. 



uudatum. Pilidium fulvum. 



Pleurotoma nivale. Dentalium entale. 



Bela turricula. vitreum. 



rufa. Chiton Hanlejn. 



Trevelliana. asellus. 



Defraneia pyramidalis. alveolus. 



Natica Moutagui. Cylichna alba. 



' pusilla. truncata. 



clausa. Philine quadrata. 



Chemnitzia, sp. 



Brachiopoda. 



Terehratula cranium. Rhynchonella psittacea. 



Terebratulina caput-serpentis. Crania anomala. 



Lamellibraxchiata. 



Auoraia ephippium. Pecten, sp. 



Pecten tigrinus. , sp. 



grcenlandicus. Lima subaimculata. 



