Vlll CONTENTS. 



General Meeting, January 18, 1888 465 



Mr. Fred. H. Newell. Niagara cephalopods from northern Indiana (with figures). 466 



General Meeting, February 1, 1888 486 



Prof. F. W. Putnam. Announcement of the death of Prof. Asa Gray 486 



General Meeting, February 15, 1888 • 487 



General Meeting, March 7, 1888 488 



Prof. W. O. Crosby. Geology of the Black Hills of Dakota 488 



General Meeting, March 21 , 1888 517 



Prof. F. W. Putnam. The serpent mound in Adams Co., Ohio 518 



Dr. J. Walter Fewkes. On the origin of the present form of the Bermudas 518 



Special Meeting, March 28, 1888 523 



Mr. S. H. Scudder. Report of the committee of the Council on a natural history 

 garden 523 



General Meeting, April 4, 1888 529 



Mr. Samuel Wells. A notice of the life of the late Richard C. Greenleaf 529 



Mr. Robert T. Jackson. The development of the oyster with remarks on allied 

 genera (with four plates) 531 



General Meeting, April 18, 1888] 558 



Prof. A. Hyatt. Sketch of the life and services to science of Prof. Spencer F. 

 Baud 558 



Section of Entomology, Meeting, April 25, 1888, 565 



Dr. H. A. Hagen. Three species of Hemerobius from Chili, 565 



