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LIST OF OSTEOLOGICAL SPECIMENS. 



The Little Gull. Xema minuta. 

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



Rissa, Leach, 

 The Kittiwake Gull, Kissa tridaetyla. 

 Sternum. England. Presented by John Ray, Esq. 

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



Pagophila, Kaup. 



The Ivory Gull. Pagophila eburneus. 

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



Sylochelidon, Brehm. 

 The Caspian Tern. Sylochelidon caspia. 

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



Thalasseus, Boie. 

 The Sandwich Tern. Thalasseus cantiacus. 

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

 Sternum. England. Presented by John Ray, Esq. 



Sterna, Linn. 



The Common Tern. Sterna hirundo. 

 Two Sterna. England. Presented by T. Ingall, Esq . 

 Two Sterna. England. Presented by John Ray, Esq. 



The Arctic Tern. Sterna macroura. 

 Sternum. England. Presented by John Ray, Esq. 



The Minute Tern. Sterna minuta. 

 Sternum. England. Presented by John Ray, Esq. 



The Sterna ? 



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



Fam. 5. Pelecanid^e. 



Plotus, Linn. 



The Black-bellied Darter. Plotus melanogaster. 

 Sternum. Nepal. Presented by B. H. Hodgson, Esq. 

 Skeleton. India, Archipelago. From M. Frank's collection. 



Sula, Briss. 



The Gannet. Sulabassana. 

 Two Tracheae. England. 



Sternum. England. Presented by John Ray, Esq. 

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



