a 



24 Thirty-fifth Annual Eeport of the 



1869, November. Jamestown Academy. 



*Lower Silurian (various formations) . . 21 species. 41 specimens. 



♦Niagara (Waldron, Ind.) 19 '* 40 



*Lower Helderberg (1ST. Y.) 13 " 25 + 



Hamilton group (N. Y.) 23 " 34 



Chemung 8 " 13 



♦Tertiary— Alabama 18 " • 39 



Miscellaneous 7 " 7 



109 " 199 



III. 



Memorandum. Specimens sent to Institutions and Individ- 

 uals in Exchange, and for assistance in making collections 

 for the State Museum. 



Specimens sent to the Essex Institute of Salem, Mass. In exchange 

 for recent corals for the State Museum of Natural History, 1867 : 



♦Niagara group (Waldron) 24 species. 



Corniferous (N. Y.) 7 " 



Hamilton (N. Y.) 51 " 



Chemung (Iowa) 10 " 



Chemung (N, Y.) 9 « 



101 " 



Number of specimens about 300. 



Specimens sent to the Derby Free Museum at Liverpool, Eng., in 

 return for objects of Natural History, and in consideration of civili- 

 ties extended by Capt. Sir James Anderson in the transmission of 

 books, etc., 1867 : 



♦Potsdam sandstone 2 species. 



♦Trenton limestone 12 " 



*Hudson river group 13 " 



♦Medina sandstone , ". 5 " 



♦Clinton 3 



♦Niagara (N. Y. and Ind.) 19 " 



♦Lower Helderberg 23 " 



Oriskany 8 



Upper Helderberg 4 rt 



Hamilton 29 " 



♦Carboniferous 12 " 



♦Tertiary (Alabama) 33 " 



164 " 



Number of specimens 450 to 500. 



♦Those marked with an asterisk were from Mr. Hall's private collection. 



