INDEX 



679 



TuTTLE, J. B. Requirements and pur- 

 chase of rubber tubing for labora- 

 tory purposes. 482. 



Study of some recent methods for 



the determination of total sulphur 

 in rubber. 235. 



Vaughan, T. Wayland. Geologic sig- 

 nificance of the growth-rate of the 

 Floridian and Bahaman shoal-wa- 

 ter corals. 591. 



Factors producing change in posi- 

 tion of strand-line during Pleisto- 

 cene and post-Pleistocene time. 

 444. 



Remarks on the rate of growth of 



stony corals. 291. 



Van Orstrand, C. E. Preliminary re- 

 port on the diffusion of solids. 559. 



ViNAL, G. W. The solubility of me- 

 tallic silver in distilled water. 557. 



Walcott, CD. Prepaleozoic algal de- 

 posits. 649. 



Waite, M. W. The Botanical Seminar 

 and the early development of plant 

 pathology in Washington. 187. 



Walters, E. H. Presence of primary 

 cleavage products of protein in 

 soils. 28. 



Washington, Henry S. *Analcite 

 basalts of Sardinia. 97. 



Calculation of calcium orthosili- 



cate in the norm of igneous rocks. 

 345. 



*Composition of rockallite. 96. 



Condition of the southern Italian 



volcanoes. 32. 



*I Basalti Analcitici della Sardeg- 



na. 97. 



Nephelite crystals from Monte 



Ferru, Sardinia. .389. 



*Occurrence of pyroxenite and 



hornblendite in Bahia, Brazil. 180. 



Weightman, R. Hanson. *Types of 

 storms of the United States and 

 their average movements. 242. 



Wells, Roger C. *Electric activity in 

 ore deposits. 23. 



Fractional precipitation of some 



ore-forming compounds at moder- 

 ate temperatures. 634. 



Solubility of calcite in water in 



contact with the atmosphere, and 

 its variation with temperature. 617. 



Solubility of magnesium carbonate 



in natural waters. 491. 



Wenner, Frank. Method for meas- 

 uring Earth resistivity. 561. 



Wherry, Edgar T. *Carnotite near 

 Mauch Chunk, Pennsylvania. 60. 



Detection of certain elements by 



their absorption spectra. 231. 



-*Microspectroscope in mineralogy. 



521. 



— — ^*Notes on wolframite, beraunite, 

 and axinite. 60. 



Peculiar oolite from Bethlehem, 



Pennsylvania. 31. 



■* Arrangement of minerals accord- 

 ing to occurrence. 670. 



White, David. Occurrence of trans- 

 ported boulders in coal beds. 407. 



Algae in the upper Paleozoic. 650. 



Some relations in origin between 



coal and petroleum. 189. 



White, Walter P. *Easy calorimet- 

 ric methods of high precision. 87. 



*Einige neue Doppelkompensato- 



ren. 88. 



Electric pendulums and pendulum 



contacts. 135. 



*Leakage prevention by shielding, 



especially in potentiometer sys- 

 tems. 85. 



*Significant instance of galvanom- 

 eter instability. 87. 



*Thermo-elements of precision, es- 



peciall^y for calorimetry. 86. 



*Thermo-element installations, es- 

 pecially for calorimetry. 84. 



*Potentiometers for thermo-elec- 

 tric measurements. 84. 



Williams, E. T. Confucianism, the 

 state religion of China. 451. 



'Abstracts. 



