

VOLT MI'S XXXI-XL. 



; 2 1 



Rontgen radiation, recombination 



Plimpton, 35. 44- 

 spectrograph^ de Broglie, 



■ -"■ 38 * 93 ' r , 



spectrum of platinum, bee- 



mann. 38. 561. 

 use in paleontology. Field, 



39. 



velocity measurement, 



\. 31, 148. 



work on. Kaye. 38, 366. 



Roundy, P. U.. Carboniferous 

 ;tropods, color markings, 38, 



Rowe. J. R., Practical Mineralogy, 



31. 337- 



Royal Society medal awarded to 

 E. W. Brown, 38, 572. 



Rubidium rays, deviation. Berg- 



36. 564. 

 Rudzki. Physik der Erde. 32, 72. 

 Ruedemann, R.. Eurypterida of 



New York. 35, 4 ;x 

 Rumford medal awarded to Dr. 

 . 40, 06. 



St. Helen's breccias, fossil faunas, 



Williams. 31, 

 St. Lawrence, Gulf of, geology, 



rke, 32, 397- 

 — lower, terrace and sea-cliff of, 



1th wait, 32, 291. 

 Salton Sea, MacDougal. 39, 231. 

 Salts. 'i. inlluence on ab- 



bands of water, Jones, 

 I Shaeffer, 36, 76. 

 Sanderson, J. C, influence of soil 

 local atmospheric radio- 

 ivity, 32, 169; radio-active 

 tent of Minnesota soils, 39, 

 391. 

 San Franciscan volcanic field, 



inson, 37, 202. 

 Saratoga Springs, geology, Cush- 



ing and Ruedemann, 38, 99. 

 Sarawak Museum Journal. 38, 573; 



40, 222. 

 Sardinia, Monte Arci. Washing- 

 of Monte 

 ru. Wa~hin.u r t'.n. 39, 513. 

 Saturn's ring, optical resolution, 



33, 

 Savage, T. E., r ics of 



arthroDods from Illinoi 



D Illi- 

 i 38, 28. 



Schaller, W. T., natramblygonite, 



new mineral. 3 1 . 49J thaumasite 

 from I t all, 31, 13] ; Eerritung- 



stite. new, 32, [6l ; binsdalite, 



32, 251; the alunite-beudantite 

 group, 32, 359; minerals from 

 Beaver Co.. Utah, 32. 4'> s : crys- 

 tallized turquoise from Vir- 

 ginia, 33. 3?: custeriH, 36, 385; 

 supposed vanadic acid. L. Su- 

 perior. 39, 404. 

 Schuchert. C. Jackson on the 

 Phylogeny of the Echini, 34. 

 251"; Dinosaurs of East Africa. 

 35, 34; Oriskany formation in 

 Maine, 37, 221; Mammut 

 Americanum, Connecticut. 37, 

 321; geologic time-tables for 

 North America, 38, 1; Arctic 

 Paleozoic fossils, 38, | 



— Text-Book of Geology. 40, 



663. 



Schmucker. S. C, Evolution, 37, 



1 10. 

 Science, Cambridge Manuals of, 

 34, 405. 37, 365- rr 



— Experimental, W hitton, 38, 366. 



— from an Easy Chair, Lankes- 



32, 83. 



— Grammar, Pearson. 32, 2$S- 



— Progress in the Twentieth 

 Century, 32, 83. 



I— Reader. Bird. 32, 394- 



— Reports, Tohoku University, 

 Tapan. 35, 558. 



— Who's Who in, 37, 3 r >5- 

 Scott, W. B., Land Mammals, 37, 



483. 



Screws, comparison, Barus, 34, 



333- ^ , 



Scudder, H., Electrical Conductiv- 

 itv of Organic Compounds, 37, 



55 8 - . . , r 



Sea, deep, origin and peopling ot, 



Walther, 31, 55- 



Sealing wax as source of lime for 

 Wehnelt cathode, Hornor, 36, 



Seas, investigation of Italian, 31, 



;8i. 



See, T. J. J., Capture Theory of 



mical Evolution, 33, l ^7- 1 

 Seismographs, vertical motion, 



Perret, 36, 297. 

 Seismological Society of America, 

 31, 247; bulletin, no. t. 31, 466; 

 2. 32, 328; no. 4. 33, I01« 

 Seismology, Modern. Walker, 37, 



