^Vf-"^ 



PROCEEDINGS 



A^xMERICAN PHILOSOPHICAL SOCIETY 



HELD AT PHILADELPHIA FOE PROMOTING CSEFUL KNOWLEDGI. 



Vol. XLI. April, 1902. No. 169 



CONTENTS. 



PAGB 



Origin of the Oligocene and Miocene Deposits of the Great Pla5ns. 



By J. B. Hatcher 113 



On the Molluscan Fauna of the Patagonian Tertiary (with plate). 



By H. YON Ihering 132 



Spectra of Gases at High Temperatures. By Prof. Johj^ Trow- 

 bridge 138 



The Influence of Alcoholic Intoxication upon Certain Factors Con- 

 cerned in the Phenomena of Haemolysis and Bacteriolysis. 

 A Preliminary Note. By A. C. Abbott and D. H. Beegey. 140 



A Brief Account of the Disease Known as Osteitis Deformans. 



By Prof. J. C. Wilson, M.D 143 



Is Scientific Naturalism Fatalism? A One-minute Paper. By 



William Keith Brooks 145 



A Classification of Economies. By Prof. Lindley M. Keasbey. 146 



Drift Casks in the Arctic Ocean. By Henry G. Bryant 154 



Blindness from Congenital Malformation of the Skull (with plate). 



By Charles A. Oliver, A.M., M.D y. 161 



On the Continuity of Protoplasm (with plates). By Henry 



Kraemer, Ph.D 174 



On Some Equations Pertaining to the Propagation of Heat in an 



Infinite Medium (with plates) ^^ By A. Stanley Mackenzie. 181 



A New Method of Transiting Stars. By Monroe B. Snydee 200 



^philadelphia : 



The American Philosophical Society, 



104 South Fifth Street. 



1902. 



