New York Academy of Sciences, 



No. 12 WEST ^Ist STREET, 



NEW YORK. 



In sending herewith the first numbers of the Annals of 

 tlie Academy of Sciences, and the last of the Lyceum of Natural 

 History, the undersigned requests, in behalf of the Academy- 

 that all societies receiving these publications would inform him 

 of any numbers which are missing from their sets of the Annals 

 of the Lyceum of Natural History. The Academy wishes, in 

 entering upon the exchange of its new series of Annals, to com- 

 plete the former series, so far as may he in its power, in the 

 libraries of all societies with which it is in correspondence. 



The Index number, which will complete the last volume 

 (XI) of the Annals of the Lyceum, is delayed — but will be sent 

 ere long. 



1). S. MARTIN, 



Chairman of the Publication Committee, 



N. Y. Academy of Sciences. 

 August, 1878. 





