28 PTEROPODA — LIMACINA 



Temperature: 7.<,), mean of 48 obs., max. 14, min. 0, excep- 

 tionally 27. 



Salinity: 35. u', mean of 40 ob.s,, max. 35.94, min. 32. oi. 



Plankton-type. The principal area of distribution is between 

 Greenland, Iceland and the Shetlands, whence it spreads into the 

 Skagerak and follows the coast of Norway to Finmark. It also 

 enters Davis's Strait and follows the southward current along the 

 Newfoundland Banks to Massachusetts Bay. It has, according to 

 AuRiviLLius, been noted S. of Ireland, in the Bay of Biscay and at 

 the Azores, but these statements are, according to Pelseneer, 

 erroneous or doubtful. It also occurs in the southern hemisphere, 

 round Cape Horn (H. Munthe) — T. 



