VOLUMES XXXI-XL. 



723 



South Africa. Prehistoric 1 enod, 

 31, 578; 35. : 



South America, early man in, 

 Hrdlicka. 34- 543! 35, »IJ see 

 Peru. 



South Dakota, badlands forma- 

 tion, 31. _ , . . 

 survey, see Geological 



Reports. 



Southall. J. P- C, Geometrical 

 36. 649. 



Specific Gravity or Saline Solu- 

 tions, etc., Buchanan. 36, 421. 



heat relations determined. 



Robitzsch, 34. 575- 



Spectra • ; the banded type, mo- 

 lecular systems which emit, 

 Whittaker, 32, 47*. 



— crossed interferences of, Ba- 

 rns, 40. . 



the element-, high fre- 

 quency, Maimer. 39, 215. 



— flame, study oi. Browning, 40. 



507- 



— magnetic, of (3-rays of radium, 



33, thorium, 33, 5 



Spectrograph, quartz. Hutchins. 



36. 

 Spectrography oi Rontgen ray-, 



de 37, 477- 



Spectroscopy. Daly. 35, 457: Kay- 



35. I0 -- 



— of the Ultra-violet. Lyman. 38, 



Spectrum, aurora boreali-. 36, 



dine, 36, 4*8- 



iron, wave-length-. 33, 283. 



— new type of band series. 39, 

 604. 



— tellurium. Evan-. 34, 57©; Uh- 

 ler and Patterson, 36, 135- 



— in the ultra-violet, Henri. 36, 



Spencer, J. W., earth-movements 



of Eastern America. 35, 561. 

 Spencer, L. J., Constants of crys- 



. 40, 91. 

 Sphalerite, relation to wurtzite, 



34. 341. 

 Spinney. L. B.. Physics, 33. '." 

 Spitzbergen, Holtedahl, 



Standard-. 1 of, bulletin 



31. S78; 33. 



Stanley, R., 

 39. «a6. 



Stansfield, J.. 



Star-fishes, revision, Verrill, 35. 



Stark, J., Atomdynamik, 32. 67; 



40, 5 1 7. 

 Stark effects tor solid-. Mcnden- 



hall, 40, 447- 

 Starlit sky, intrinsic brightness, 



Fabry, 33. 280. 

 Stars, Catalogue oi. Backhouse, 



34. 494- 

 — Measures of Proper Motion, 



Burnham, 37. 206. 



Statistical Method, King, 34. 3<>8. 



Steel rod-, twist in, due to a mag- 

 netic field, William-. 36, 555. 



Steeprock Lake, Ontario, fossils 

 of, Walcott, 34. 94- 



Stereographic projection, Boeke, 

 32, 



Sterrett, D. B., ('.cms and Pre- 

 cious Stone-. 1000. 31 576; 1910, 

 32, 398; ion. 35. 198; 1912, 

 36, 6-,6: to 13. 38. 487- 



Stevens, F. L., Fungi which cause 

 Plant Disease. 37, 205. 



Stevens, J. S., sympathetic vibra- 

 tions of small amplitude. 32, 



231- 

 Stevens, N. E., Xew Jersey pal- 



moxylon, 34. 4- T - 



Stevens. W. C, Plant Anatomy. 



31. 243- 



Stevenson, J. J., formation ol 



beds, 35. 546; 37, "6. 

 Stifler, W. W., apparatus for 



laboratory experiments, 35. 535- 



Stoddard, J. T., General Chem- 

 istry, 31, 454; Organic Chem- 

 istry, 38, 559- 



Stokes method for determination 

 of pvrite and marcasite. 38, 371. 



Stopes, M. C. Carboniferous 

 Flora of St. John. N. B., 39, 



2TQ. 



Strand line, movements in Pleis- 

 tocene, etc.. Barrell, 40, 1. 



Stream piracy of Provo and 

 Weber Rivers. Anderson, 40, 



314. _. . 



— trenches in Xew Mexico, Rich, 



32, 237. 

 Strips, twisted, bitilar property, 



Buckley, 39, 216. 

 Suess, E., pi jraphy of 



North America, 31, 101; La 

 ' . 37, 3-7; f '!'ii- 



uary of, 38, IIS- 

 Sugar Analysis, Given, 34- 



