528 MR. p. L. SCLATER ON THE [Jtllieirj, 



Genus Camptol^mus. 



22. Camptol^mus labradoricus (Gm.). Labrador Duck. 

 Camptohemus labradoricus, Baird, B. N. A. p. 803. 



Hab. Arctic America. 



This now extinct bird has never, so far as I know, been cap- 

 tured alive. 



Genus Somatkria. 



23. SoMATERiA mollissima (Liuu.). Eider Duck. 

 Somnteria mollissima, Gould, B. G. Brit. v. t. 26. 



Hab. Circumpolar area. 



Eiders were first obtained by the Society in 1 838 ', and bred 

 several years in tlie Gardens. They were also in the Knowsley 

 Menagerie. Of late years we have received but few specimens, 

 and they have not bred with us. 



Dates of Hatching of Eider Ducks. 



1841. July 7th. 

 1848. June 25th. 



1849. June 9th. 



24. SoMATERiA v-NiGRUM, Gray. 



Somateria v-nigrum, G. R. Gray, P. Z. S. 1855, p. 211, t. 107; 

 Elliot, B. N. A. t. xlviii. 



Hab. Arctic America. 

 Unknown in captivity. 



25. Somateria spectabilis (Linn.). King-Duck. 

 Somateria spectabilis, Gould, B. G. Brit. v. t. 27. 

 Hab, Circumpolar regions. 



Not yet obtained alive, so far as I know. 



Genus Lampronetta. 



26. Lampronetta fischeri, Brandt. Fischer's Eider. 



Lampronetta flscheri, G. R. Gray, P. Z. S. 1855, t. 108; Elliot, 

 B. N. A. t. 47. 



Hab. N.W. America. 

 Not known in captivity. 



Genus (Edemia. 



27. CEdemia nigra, Flem. Black Scoter. 

 Oidemia nigra, Gould, B. G. Brit. v. t. 28. 

 Hab. North Palsearctic Region. 



The Black Scoter is occasionally obtained alive, but does not do 

 well in captivity. 



1 Rep. Council, 1839, p. 39. 



