X ADVERTISEMENT. 



The illustrations now produced are from the 

 subjects collected in regions in almost every case 

 first explored by the Author himself; and they 

 are in every instance original, and now for the 

 first time published to the world. The Volume 

 contains only the first portion of these interesting 

 fi^rms. Vv'e again call the attention of our readers 

 to the Account of the Author at the beginning 

 of the Volume, as it contains, amongst other inte- 

 resting matter, a succinct account of his voyages 

 and travels. 



Upon taking a review of our labours, -which 

 have been so liberally acknowledged by the public, 

 we find we have brought out 



ELEVEN VOLUMES ON ORNITHOLOGY, 

 TWELVE VOLUMES ON MAMIMALIA, 

 SIX VOLUMES ON ENTOMOLOGY, AND 

 THREE VOLUMES ON ICHTHYOLOGY, 



making in all Thirty-two Volumes ; and as we are 

 in a state of great forwardness with the remaining 

 eight, our subscribers and the public may rest 

 assured that the whole Forty, of which the Work 

 is to be composed, will be published in twelve 



