General Meeting, December 1 201 



S. W. Garman. Fishes and Reptiles from the Western Coast of South 



America 202 



Section of Microscopy, December 8 206 



Charles Stodder. On the Diatoms of the Miocene Deposit at Rich- 

 mond. Va 206 



General Meeting, December 15 209 



W. J. Hoffman, M.D. Ancient Hearths and Modern Indian Remains 



in the Missouri Valley 209 



L. S. Burbank. Land-locked Ponds as Natural Meteorological Registers 212 



General Meeting, January 5, 1876 214 



L. S. Burbank. Remarks on the River Birch and Hackberry .... 214 



General Meeting, January 19 217 



Pres. T. T. Bouve'. The Origin of Porphyry 217 



Prof. A. Hyatt. Remarks on the Porphyrie's of Mai'blehead .... 220 



L. S. Burbank. On the Conglomerate of Harvard, Mass 224 



General Meeting, February 2 225 



W. K. Brooks, Ph.D. Affinities of the Mollusca and Molluscoida . . 225 



General Meeting, February 16 236 



General Meeting, March 1 237 



H. K. Morrison. Descriptions of new North American Noctuidse . . 237 



General Meeting, March 15 242 



Pres. T. T. Bouve. Reminiscences of the early days of the Society . . 242 



Section of Entomology, March 22 251 



S. H. Scudder. A Century of Orthoptera. Decade V 251 



Decade VI 257 



Description of three species of Labia from the U. S. . 265 



Orthoptera from the Island of Guadalupe 268 



General Meeting, April 5 272 



Prof. W. H. Niles. Geological Agency of Lateral Pressure exhibited 



by certain Rock Movements 272 



General Meeting, April 19 284 



Prof. Edward S. Morse. A Diminutive Form of Buccinum undatum — 



a case of Natural Selection .... 284 



S. H. Scudder. Notes on the Forficularias, with a List of the Described 



Species 287 



Annual Meeting, MmjS,1S7Q 332 



Prof. A. Hyatt. Custodian's Report 332 



Edward Pickering. Treasurer's Report 347 



Officers for 1876-77 348 



Constitutional Amendments ■ 349 



Section of Botany, May 4 353 



Section of Botany, May 10 354 



Section of Botany, May 15 355 



General Meeting, May 17 . 356 



G. W. Bond. Origin of 'the Domestic Sheep 356 



Section of Botany, June 5 359 



General Meeting, June 7 360 



Prof. A. Hyatt. Genetic Relations of Stephanoceras 360 



Section of 'Botany, June 12 400 



Section of Botany, June 19 401 



Genera V Meeting, June 21 402 



S. W. Garman. Reptiles and Batrachians collected by Allen Lesley, Esq., 



on the Isthmus of Panama 402 



Section of Botany, June 26 413 



General Meeting, July 5 413 



A. R. Grote. Notes on Noctuae from Florida 414 



Errata 417 



Index 419 



