vn 



Waterhouse, G. R., Esq. page 



On tlx- Differences observable in the Skulls of two Species 

 of Squirrel, usually confounded under the name Sciurus 



Pahnarian 118 



On the Skulls and Dentition of the Carnivora . . . .135 

 Observations upon an Insect presented to the Society by 



R. Mackay, Esq 146 



On the Geographical Distribution of the i?orfe?Jfta . . .172 



Weissenborn, Dr. 



Letter from, relating to the nearly naked marks observed 

 on the hips of the Conunon Hamster ( Criceitis vulgaris) . . 59 



Letter from, relating to a Pigeon destitute of Organs of 

 Vision, and accompanying a present of some specimens of 

 the Common Hamster (Cricetus vulgaris, Auct.) . . . .175 



Williams, P. B., Esq. 



Exhibition of some specimens of White-Bait (Clupea alba) 

 from some rivers in North Wales 94- 



W^KAY, John, Esq. 



Present of some specimens of Quadrupeds from Minas 

 Geraes 75 



Vigors, N. A., Esq. 



Observations upon a Collection of Birds from the West 

 Coast of South America 115 



Yarrell, William, Esq. 



Exhibition of the Plates of the first part of Sir W. Jar- 

 dine's work on Scottish Salmonidce 1 23 



Exhibition of a specimen of the Eagle Ray (Myliobatis 

 aquila, Auct.) found on the shore of Berwick Bay . . . . 1 45 



Exhibition of some specimens of the Portuguese Man-of- 

 War {Physalia pelagica, Auct.) from the coast of Devon- 

 shire 171 



CORRIGENDA. 



P. 90. Line 3 of description of Labrus laticlavius, for inque pinna productis, read 



inque pinnil caudae pioductis. 

 P. 108. \n\\\e i\\mens\oni oi PMceomys Cumingi, for Longitudo cianii ossei, 2" 4'" 



read Longitudo cranii ossei, 3" 4'". 



