CONTENTS. 



Niimber 93, 



Page 

 JosiAH WiLLARD GiBBS (witli a Portrait, Plate IX) 187 



Art. XIX. — Origin of Coral Reefs as shown by the Maldives ; 



by J. S. Gardiner 203 



XX. — Heat of Combustion of Hydrogen ; by W. G. Mixter 214 



XXI. — Determination of Uranium and Uranyl Phosphate by 



the Zinc Reductor ; by O. S. Pulman . . 229 



XXII. — Certain River Terraces of the Klamath Region, 



California ; by O. H. Hershey _ _ . . 240 



XXIII. — Occurrence of the Texas Mercury Minerals ; by B. 



F.Hill. 251 



XXEV. — Eglestonite, Terlinguaite and Montroydite, New 

 Mercury Minerals from Terlingua, Texas ; by A. J. 

 Moses 253 



XXV. — New Lilac-Colored Transparent Spodumene ; by G. 



F. KuNz. (With Plate X) 264 



SCIENTIFIC INTELLIGENCE. 



Geology and Mineralogy — Geology of Ascntney Mountain, Vermont, R. A. 

 Daly : Wisconsin Geological and Natural History Survey, U. S. Grant, 

 267. — Preliminary Note upon the -Rare Metals in tlie Ore from tlie Eambler 

 Mine, Wyoming, T. T. Read, 268. 



Obituary — W. C. Knight : Hamilton Lanphere Smith : M. Renard, 268. 



