1890 .] 
21 
[Annual Meeting. 
W. O. Crosby. Discussion of the question of “The Climatic Con- 
ditions of the Glacial Period.” January 1,1890. 
A Large Granite Bowlder in Madison, New Hamp- 
shire. February 19, 1890. 
The Occurrence of Decomposed Granite in Bland- 
ford, Massachusetts. February 19, 1890. 
(Announced, read at next meeting. See 
following title.) 
Interesting Occurrence of Decomposed Granite in 
Blandford, Massachusetts. March 5, 1890. 
Prof. W. M. Davis. Geographic Development of Northern New 
Jersey. November 20, 1889. 
Dr. Thomas Dwight. The Joints and Muscles of Contortionists. 
November 6, 1889. 
J. H. Emerton. Remarks on the Spinning Works of Spiders. 
March 19, 1890. 
Dr. J. Walter Fewkes. A remarkable Instance of Rock Excava- 
tion by Sea-urchins. December 4, 1889. 
Some Rare Marine Animals from Cali- 
fornia. 
A. F. Foerste. The Palaeontological Horizon of the Limestone 
Beds of Nahant. 
The Fossils of the Clinton group of Indiana and 
Tennessee. May 1, 1889. 
Samuel Garman. Some Recent Discoveries in Caves. February 
19, 1890. 
Dr. R. T. Jackson. Certain Points in the Development of the 
Mollusca. December 4, 1889. 
Frank Leverett. Glacial Studies bearing on the Antiquity of Man. 
April 16, 1890. 
Carl Lumholtz. t An account of a long residence among the little- 
known Cannibal Aborigines of Australia. May 15, 1889. 
Prof. F. W. Putnam. Discussion of the question of “The Climatic 
Conditions of the Glacial Period.” Jan- 
uary 1, 1890. 
Early Man in America. February 5, 1890. 
M. H. Saville. Sanborn Bowlder. April 16, 1890. 
S. H. Scudder. Distribution of Insects in the Rocky Mountain 
Tertiaries, and the Discovery of New Localities 
for Collecting Fossils of this Group. November 
20, 1889. 
