vili CONTENS. 
PUBLIC LECTURES, COURSE OF 1892-1893. 
October 31, 1892. 
PROF. CHARLES F. CHANDLER. 
ANITA Dh cE ALG Ih ON eee suas oes Cader ndecc. cs suo bene mance. 25 
Novenber 21, 1892. 
PROF. HENRY F. OSBORN, 
ThetRise of ‘the Mammialia.- 7.1.3.) c'ss ose ee ee ee eee 53 
December 19, 1892. 
PROF. W. B. SCOTT. 
PossilvHuntine inathe Northwestacr oan! same) ee eae ee ee 55 
January 16, 1895. 
PROF. CRARLES R, CROSS. 
The Determination and Recent History of Musical Pitch, especially in 
Chis! Coumitnyae sar aek ate ee Stes see tee he thats ois aces tee 69 
February 20, 1898. 
COURTENAY DEKALB, E. M. 
Three Thousand Miles mp the Amazont..3-2.- ese ne on eee ine eet 96 
March 20, 1898. 
COMMANDER THEO. F. JEWELL. 
MOD PCUOGR Ral. ee iaininm i mrs te Nee es Uae eite ts ee oh at eee err 151 
April 17, 1898. 
PROF. W. LE CONTE STEVENS. 
Waples and ats Surroundings ©... ..- 2 0i6ys.di cesses cas sequece-s pees 188 
May 15, 1893. 
DR. EDWARD G. LOVE. 
Photographing Microscopic Objects ..... 2.6... -..0. eevee eee ee Bee AL, 
