18 annual" eeport of the 



EXCUKSIONS AND CONFERENCES. 



The following excursions were offered in 1896-97, — several of 

 them in co-operation with geologists from other New England 

 colleges : — 



Nahant, Mass. ; Professor Shaler. 



New Haven, Conn. ; Professor Davis. 



Hoosac Mountain, Mass. ; Professor Wolff. 



Coastal Plain of Southern Maine ; Professor Davis. 



Barrington Sandplain, R. I. ; Mr. J. B. Woodworth. 



Ipswich Dunes, Mass. ; Mr. J. H. Sears, of Salem. 



Meriden, Conn. ; Professor Davis. 



Franklin Furnace, N. J. ; Professor Wolff. 



Northampton, Mass. ; Professor B. K. Emerson, of Amherst College. 



The Narragansett Basin, R. I. ; Mr. J. B. Woodworth. 



The following subjects were discussed at the Geological Con- 

 ference : — 



The Eruptive Rocks of Sussex County, N. J. ; Professor Wolff. 



The excursion to the Coastal Plain of Southwestern Maine ; Professor 

 Davis. 



The excursion to Hoosac Mountain (illustrated by stereopticon) ; Pro- 

 fessor Wolff. 



Some features of the Cornwallis Valley, N. S. ; Mr. V. F. Marsters. 



Exhibition of a new Goniometer ; Dr. Charles Palache. 



Note on the Hurricane of October 10-14 ; Mr. R. DeC. Ward. 



An Instrument for inclining a Preparation in the Microscope ; Mr. T. A. 

 Jaggar. 



The Geology of Nahant ; Professor Shaler. 



The Tourmalines of Mt. Mica, Maine ; Dr. Charles Palache. 



A remarkable Joint Specimen from Somerville, Mass.; Mr. J. B. 

 Woodworth. 



Material illustrating the Appendages of Trilobites ; Dr. R. T. Jackson. 



Magnetic Observations in Geological Mapping ; Professor Smyth. 



The Structure and Formation of Agates (illustrated by projection 

 apparatus) ; Dr. W. S. Bigelow. 



Geological History of the Cape Cod District ; Professor Shaler. 



The Deflective Force of the Earth's Rotation ; Professor Davis. 



Some Phenomena of Steel ; Mr. R. J: Forsythe. 



The Elaeolite Syenite of the Serra Monchique in Portugal ; Dr. F. L. 

 Ran some. 



