18 THE ZOOLOGIST. 



the blue one, which is in the best condition, measures about 

 57 mm. in length. 



Eider Duck, Somateria mollissima, L. — Herr Dreyer, who was 

 in Spitzbergen these last two seasons early enough to get eggs, 

 found a very great difference in the size of those of Eider Ducks. 

 Small ones (the smallest he gave me only measures 40 mm. in 

 length) are perhaps the result of the birds becoming exhausted 

 by the nests being repeatedly robbed ; but, on the other hand, 

 one he gave me measures as much as 89 mm. ! 



Eed-throated Diver, Colymhm scptentrionalis, L. — Herr Dreyer 

 found the Eed-throated Diver breeding plentifully on a small 

 island off the S.W. side of Prins Carl's Foreland in 1882 and 

 1883. He kindly gave me a series of their eggs. On Aug. 6th, 

 1882, he found on this island several newly-hatched young, 

 while most of the eggs were highly incubated. 



Little Auk, Merrjubis alle, L. — Another name commonly used 

 in Norway for this species is " Eotjems." 



Purple Sandpiper, Tringa maritima, L. ; Norwegian name, 

 " Fjferplyt." — This name is common to all the small waders 

 found in Norway, and does not exclusively mean T. vuintima. 



Herr Drej'er also gave me the following additional eggs, which 

 he had taken this season (1883) in Spitzbergen : — Brent Goose 

 and Glaucous Gull, from Prins Carl's Foreland; Pink-footed Goose 

 and Briinnich's Guillemot, from Middle Hook, Bell Sound ; and 

 a series of Arctic Terns' eggs. 



Very few species of fish were met with again this voyage. 

 The following list includes all the species that I know of in 

 Spitzbergen waters : — 



Salmon, Salmo salar, L. ; Norwegian, " Lax." — Well known 

 to occur in Spitzbergen, but not met with by us. 



Salmo, sp. ? — Some small fresh-water fish at Green Harbour, 

 as recorded (Zool. 1883, p. 401), I assumed to be some species of 

 Salmo, as this is, I believe, the only genus of fresh-water fish 

 recorded from the Arctic. 



Cod, Gaclus morrhua, L. ; Norwegian, " Torsk." — Very abun- 

 dant, as a rule, off the west coast ; but this season (1883) they 

 were extraordinarily scarce, some fishing vessels catching only 

 two or three during the whole voyage. 



Haddock, Gadus ceglifinus, L. ; Norwegian, " Huse " (this 



