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page 

 On a Collection of Birds from Africa, presented by H. Ellis, 



Esq., with Characters of New Species 92 



On a Collection of Birds from the South of Europe, pre- 

 sented by Captain Cook 96 



On a Collection of Birds from Manilla, presented by H. H. 

 Lindsay, Esq. with Characters of New Species 96 



Yarrell, W. Esq. 



On the Preservation of Whitebait (Clupea alba, Yarr.) alive. 13 

 On the Morbid Appearances of a Rein- deer (Cervus Tarandus 



Linn.) 14 



On the Occurrence of the Sylvia Tithys, Scop., in England. 18 

 On the Assumption of the male plumage by the female of 



the Common Game Fowl 22 



On the Anatomy of the Cereopsis Novae Hollandice, Lath, j 



and on the Relations between the Natatores and Grallatores . 25 



On the Sexual Organs of a hybrid Pheasant 27 



On the specific Identity of the Gardenian and Night Herons 



(Ardea Gardeni and Nycticorax) 27 



On the Anatomy of the Chinchilla {Chinchilla lanigera) . . 31 

 On the Trachea of the Red-knobbed Curassow (Crax Yarrellii, 



Benn.) 33 



Characters of a New Species of Herring (Clupea, L.) . . . . 34 

 On the Occurrence of several North American Birds in En- 

 gland 35 



On the Anatomy of the Lesser American Flying Squirrel 



(Pteromys volucella, Cuv.) 38 



On the Anatomy, &c. of the Ctenodactylus Massonii, Gray 



(Mus Gund'h Rothm.) 48 



On the sterno-tracheal Muscles in the Razor-billed Curassow 



(Ourax Mitu, Cuv.) 59 



On the distinctive Characters of the Tetrao medius, Temm. 



(T. hybridus, Lath.) 73 



On two Species of Entozoa found in the Eel 132 



On the Generation of Eels and Lampreys. 132 



On the Brown-headed Gull (Larus capistratus, Temm.) . . 151 

 On the Anatomy of the Conger Eel (Conger vulgaris, Cuv.), 



and on the Differences between the Conger and Fresh-water 



Eels 159 



