232 



April 19th. From the Zoological Society — Proceedings, Nos. 339 

 to 348 inclusive. 



From the Author — On the Mastodon and Elephant, by 

 Dr. Falconer. 

 May 17tli. From the Royal Astronomical Society — Notices, Vol. 

 xviii.. No. 6. 



From the Editor — Provincial Magazine, No. 12. 

 From the Author — On Rotatory Motion, by Mr. Hunt. 

 May 31st. From the Linnean Society — Proceedings, Vol. ii., No. 8. 

 From Mr. W. Banson — Account of the Aviru. 

 From the Wa/rwichshire Natural History Society — Report. 



The Diagram at page 196 is presented by Dr. Dickinson. 



