VI 
CONTENTS. 
Mr. Samuel Garman. On the evolution of the rattlesnake (with two plates) 170 
General Meeting , February 6, 1889 182 
Mr. A. B. Seymour. List of fungi collected in 1884, along the Northern Pacific 
Bailroad 182 
Prof. G. L. Goodale. Sketch of the life and work of Dr. Asa Gray 191 
General Meeting , February 20, 1889 198 
General' Meeting , March 6, 1889 199 
Prof. F. W. Putnam. Obituary notice of Charles L. Flint 199 
Dr. J. Walter Fewkes. On a method of defence among certain Medusae 200 
General Meeting , March 20, 1889 * 208 
Election of Members 208 
General Meeting , April 3, 1889 209 
Prof. Alpheus S. Packard. Paleontological notes (with figure) 209 
Mr. Alfred R. C. Selwyn. Canadian geological classification for the Province 
of Quebec, by Ju)es Marcou 216 
General Meeting , April 17, 1889 218 
Mr. Thomas T. Bouvfc. Indian pot holes, or giants’ kettles of foreign writers 
(with figures) .' 218 
Mr. Warren Upham. Remarks on Indian pot holes 226 
Mr. Warren Upham. The structure of drumlins (with figures) 228 
Annual Meeting , May 1, 1889 243 
Prof. A. Hyatt. Report on the Museum 243 
Dr. J. Walter Fewkes. Secretary’s Report 255 
Mr. C. W. Scudder. Treasurer’s Report 258 
Election of Officers 260 
Election of Members 261 
Mr. Aug. F. Foerste. The paleontological horizon of the limestone at Nahant, 
Mass 261 
Mr. Aug. F. Foerste. Notes on Clinton group fossils, with special reierence to 
collections from Indiana, Tennessee, and Georgia (with plates v-ix) 263 
General Meeting, November 6, 1889 355 
Dr. Thomas Dwight. Joints and muscles of contortionists 355 
Prof. Jules Marcou. Reply to the questions of Mr. Selwyn on Canadian geolog- 
ical classification for Quebec 357 
General Meeting , November 20, 1889 365 
Messrs. W. M. Davis and J. W. Wood, jr. The geographic development of north- 
ern New Jersey (with figures) 365 
General Meeting, December!, 1889 423 
General Meeting, December 18, 1889 424 
General Meeting , January 1, 1890 424 
Prof. G. Frederick Wright. Climatic condition of the glacial period 424 
Mr. Warren Upham. The growth, culmination, and departure of the quaternary 
ice-sheets 450 
Mr. Frank Leverett. Changes of climate as indicated by interglacial beds and 
attendant oxidation and leaching 455 
Election of Members 459 
General Meeting , January 15, 1890 459 
Prof. N. S. Shaler. Note on. glacial climate 460 
Mr. Warren Upham. Remarks on glacial climate 465 
Prof. W. O. Crosby. Remarks on bowlder-clay in the vicinity of Boston 466 
General Meeting , February 5, 1890 467 
Mr. Samuel H. Scudder. Remains of Coleoptera in the interglacial clays of Scar- 
boro’, Ontario ... 467 
Prof. F. W. Putnam. Remarks on early man in America 468 
General Meeting, February 19, 1890 469 
Mr. Frederick Tuckeujjan. On tlje gustatory organs of the Mammalia 470 
