860 



THE ZOOLOGIST. 



marvelled at the price at which it is being issued. Seeing 

 that each part contains about one hundred pages of letter- 

 press, well printed, and on good paper, fifty or sixty engravings, 

 and two coloured plates, we should consider it cheap at five 



: 

 IP" * 



The Passenger Pigeon, Columba migratoria. 



shillings a part, whereas the actual cost of each number is one 

 shilling net. 



It ought to have an enormous circulation, and, as an aid to 

 the diffusion of zoological knowledge, we hope it may. 



