Arvicola agrestis. 



Field Carnpagnol. 

 Hampshire. Sir Joseph Banks, Bart. 



Mus sylvaticus. 



Field Rat. 



Devonshire. G. Montagu, Esq. 



Mus Mat tits. 



Black Rat. 



London. Mr. B. Leadbeater. 



Mus minutus. 



Harvest Rat. 



Devonshire. G. Montagu. Esq. 



Mus clecumanus. 



Brown Rat. 



London. Mr. B. Leadbeater. 



Mus arvensis, jnn. 



Harvest Rat, young. 



Devonshire. G. Montagu, Esq. 



Mus Musculus. 



Mouse Rat. 



London. Mr. B. Leadbeater. 



Phoca Vitulina. 



Common Seal. 

 Hebrides. Dr. W. E. Leaeh. 



Mus Musculus var. 



Mouse Rat var. 



Devonshire. G. Montagu, Esq. 



Delphinus Phocama. 



Porpoise Dolphin. 

 Thames. Mr. B. Leadbeater. 



Delphini ambyodentis Cranium* 



Skull of Blunt-toothed Dolphin. 

 Devonshire. G. Montagu, Esq. 



