UADli>ACTIVE KAULIN 241 



Page 

 Radioactive heat 30, 544 



— minerals from Texas, List of 28. 870 



Radioactivity and isostasy ; G. F. Becker 1 26, 86, 171-204 



— as a basis of time measurements 28, 842 



Radiology, Recent advances in 26, ISO 



Radium referred to l>.v Van H. Manning 27, 25 



Rainfall in arid regions of tlie United States 21, 560 



— — ^ New Mexico and Arizona, Records of 25, 5o5 



the United States, Records of 25, 538 



Raisin, C. A., cited on origin of pillow lavas 25, 630 



spheroidal rocks '. 25, 601 



Ramann, E., cited on organic deposits 28, 740 



Rammelsberg, C. F., cited on allanite 28, 472 



Ramsay, W., cited on English ix)ulder conglomerates 27, 184 



Lower Silurian 27, 558 



Old Red Sandstone 27, 370 



Rancho La Bkea beds, Age of 21, 792 



■ — , Bison of 27, 170 



, Fauna of 25, 155 



, Mammalian remains at 25, 156 



— , Mylodont sloths of 27, 170 



, Puma-like cats of 29, 161 



Range of land vertebrates in typical American formations 25, 387 



Rankin, G. A., The binary systems of alumina, lime, and magnesia, Ref- 

 erence to 21, 106 



Ransome, F. L., cited on origin of pillow lavas 25, 018, 639, 653 



— , Discussion on volcanic action liy 21, 23, 768 



— elected on Auditing Committee 21, 2 



— , On Conmiittee on the Nomenclature of Faults 24. 163 



— , Reference to his paper, "Economic Geology" 24, 163 



— ■, Report of Auditing Committee presented by 21, 23 



— , Emmons, W. H., and Gakrey, G. H. ; Geology and ore deposits of the 



Bullfrog district, Nevada, Reference to 22, 154 



Raphistoniina lauroitina (Billings) from Romaine island 21, 687 



Rateau, M. a., cited on oil in igneous rocks 28, 593 



Rath, G., cited on Loja Basin fossils 29, 640 



Raton coal field, New Mexico. Unconformity in the so-called Laramie of 



the, by Willis Thomas Lee 22, 54, 717 



Raton formation 25, 329 



, Correlation of the 25, 334 



, Fossil flora of the 25, 331-333 



— Mesa region of Colorado and New Mexico, Coal-bearing rocks of the 24, 114 



— range, New Mexico, Mesa de Maya of the 21, 561 



— section, New Mexico, Correlation with the 23, 610 



Rattlesnake Pliocene of eastern Oregon, Review of the fauna of the. 26, 169 



Ratzel, F., cited on the Philippines 38, 515 



Raulin, Victor, cited on experiments with sand grains 21, 642 



XVI — Bull. Geol. Soc. Am. 



