CONTENTS. 



Page 

 Aet. XL Vir.— Relationship between Terrestrial Gravity and 

 Observed Earth-Movements of Eastern America ; by J. 

 W. Spencee _____ 561 



XL VII I. — Review of Recent Advances in South African 



Vertebrate Paleontology ; by R. Beoom . _ 5*74 



XLIX. — Melting Phenomena of the Plagioclase Feldspars ; 



by N. L. .Bowen 577 



L. — Hetaerolite from Leadville, Colorado ; by W. E. Foed 



and W. M. Bradley __ 600 



LI. — Hydrolysis of Esters of Substituted Aliphatic Acids ; 



by E. W. Deah" _ _ _ .' 605 



LII. —Some Kilauean Ejectamenta; by Frank A. Pereet.. 611 



LIII. — Estancia Beds of Bahia, Sergipe, and Alagoas, Brazil ; 



by J. C. Branner __. _ 619 



LIV. — New Fossil Plant from the State of Bahia, Brazil ; by 



David W hite . _ _ _ _ 633 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics — New Colorimetric Method for Treatment, Lenher 

 and Crawford : Determination of Carbon by Combustion in Moist Oxj'gen, 

 S. Hilpert, 637. — Heat of Combustion of Diamond and of Graphite, Borl- 

 and Wallasch : Manual of Qualitative Analysis, W. F. Hoyt : Course in 

 General Chemistry, W. McPherson and W. E. Henderson, 638. — Simpli- 

 fication of the Zeeman Effect, F. Paschen, E. Back,, and A. Sommerfield, 

 639.— Spectrum of Helium Canal Rays, J. Stark, A. Fischer, and H. 



KlRSCHBATJM, 640. 



Miscellaneous Scientific Intelligence — National Academy of Sciences, 641. — 

 List of North American Land Mammals in the United States National 

 Museum, 1911, G. S. Miller, Jr. : An Index to the Scientific Contents of 

 the Journal and Proceedings of the Academy of Natural Sciences of Phila- 

 delphia, 642. 



Obituary— W. M. Fontaine : L. F. Ward, 642. 



Index to Volume XXXV". 643. 



iiu 



