490 



INDEX. 



Smithsonian Institution, annual re- 

 port for J017, Walcott, 149. 



Smyth, C. P., moisture content of 

 typical coals, 174. 



Spectroheliograph, Rumford, of 

 Yerkes Observatory, Hale and 

 Ellermau, 472. 



Soil Conditions and Plant Growth, 

 Russell. 423. 



Soil Physics and Management, 

 Mosier and Gustafson, 484. 



South America, Cretaceous-Ter- 

 tiary boundary, Windhausen, I. 



South Australia, Geology, 147; 

 geol. survey, 422. 



Starling, E. H., Lecture on the 

 Heart, 424. 



Stromboli, augite, 463. 



Strutt, R. J., electric discharges in 

 gases and vapors, 234. 



Tarr, W. S., origin of chert in the 

 Burlington limestone, 149. 



Telegraphy, Lee, 237. 



Ternary system, MgO-ALOs-SiOs, 

 Rankin and Merwin, 301. 



Tognoli, E., Reagents and Reac- 

 tions, 328. 



Transkei Country, So. Africa, geol- 

 ogy, Rogers, 146. 



Trigonometry, Barker, 237. 



Twiss, G. R., Science Teaching, 

 332. 



Tyler, H. W., History of Science, 

 240. 



U 



United States, Bureau of Mines, 79, 

 4/6. 



— Geol. Survey, 38th annual re- 

 port, 421; publications, 475. 



Van Name, R. G., solution of silver 

 in chromic acid, 54; estimation 

 of phosphorous, etc., acids in 

 mixture, 91; hydrolysis and con- 

 ductivity of hypophosphoric acid, 

 103. 



Van Tuyl, F. M., origin of chert, 



449- 



Vermont, eruptive rocks at Cut- 

 tingsville, Eggleston, 377. 



Vertebrates, Comparative Anat- 

 omy, Kingsley, 240. 



Villavecchia, V., Chemistry, 329. 



Virgilina district of Virginia, etc., 

 geology, Laney, 476. 



Volcano, see Kilauea. 



W 



Washburn, M. F., Animal Mind, 

 240. 



Washington, H. S., chemical anal- 

 yses of igneous rocks, 238; augite 

 from Stromboli, 463. 



Weed, H. T., Chemistry in the 

 Home, 471. 



West Virginia geol. survey, 79. 



Windhausen, A., Cretaceous-Ter- 

 tiary boundary in So. America, 1. 



Woolard, E., generalized relativity 

 and gravitation, 425. 



Yerkes, Observatory, publications, 

 471. 



Ziegler, V., Oil Geology, 423. 

 Zoology, Economic, Daugherty, 

 335- 



