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LIST OF OSTEOLOGICAL SPECIMENS. 



The Nyroca Duck. Nyroca africana. 

 Trachea. England. Presented by T. Ingall, Esq. 

 Trachea, female. England. Presented by T. Ingall, Esq. 

 Sternum. England. Presented by T. Ingall, Esq. 

 Sternum. England. Presented by John Ray, Esq. 



Clangula, Flem. 



The Golden-eyed Duck. Clangula glaucion. 

 Six Tracheae. England. 



Sternum. England. Presented by John Ray, Esq. 

 Four Sterna. Europe. From M. Lefevre's collection. 



The Harlequin Duck. Clangula histrionica. 

 Skeleton. Europe. 



Two Sterna. Europe. From M. Lefevre's collection. 



Hare l da, Leach. 



The Long-tailed Duck. Harelda glacialis. 

 Trachea (imperfect). Europe. 

 Trachea. Europe. 



Erismatura, Bonap. 



The Ferruginous Duck. Erismatura ferruginea. 

 Skeleton. Chili. From Mr. Warwick's collection. 



Mergus, Linn. 



The Goosander Merganser. Mergus merganser. 

 Three Tracheae. England. 



The Red-breasted Merganser. Mergus serrator. 

 Trachea, female. England. 

 Trachea, male. England. 

 Sternum. England. 



Sternum. England. Presented by John Ray, Esq. 

 Skeleton. England. 



Two Sterna. Europe. From M. Lefevre's collection. 



The Mergus ? 



Trachea. England. 



The Hooded Meganser. Mergus cucullatus. 

 Sternum. England. Presented by John Ray, Esq. 



The Smew Merganser. Mergus albellus. 

 Four Tracheae. England. 



Sternum. England. Presented by John Ray, Esq. 

 Sternum. Europe. From M. Lefevre's collection. 



