ROGERS — ROTH 159 



Page 



Rogers, H. D., cited on njoiintain-making . . 5, 104 



Pennsylvania anthracite 5, 66 



coal basins 5, 40 



rock structure 3, 208 



ScolitliMs ■ 3, o5 



— , connection of, with Association of American Geologists 1,17 



— , Hypothesis as to causes of variations in volatile combustibles in Penn- 

 sylvania coal 5, 48 



— , Objections to hypothesis of 5,53 



Rogers, H. D. and \V. B., cited on Appalachian structure 2, 141, 157 



rocks of Pennsylvania and Virginia 1, 360 



Rogers, W. B., cited on Appalachian configuration 2, 317 



Piedmont rocks 2, 309 



ScoUthus. 3, 32 



traps 2, 340 



Triassic plants 3, 24 



Virginia geology 5, 172 



— , Reference to work of 2, 433 



RoHON, I., cited on fish remains 3, 59, 169 



RoLFE, C. W., Title of paper by 6, 16 



Romberg, Julius, cited on formation of micropegniatite and pegmatite ... 5, 265 



granophyric structure 4, 171, 173 



rock textures 5, 274 



Rome sandstone, Geologic place of. 2, 143 



RoMiNGER, Karl, cited on the Huronian 2, 113 



— quoted on Paleozoic corals 3, 255 



— , Reference to collection of fossils by 9,^1 



— , Specific name suggested by 3, 274 



Rosalind banks, Reference to the. 6, 1 09 



Rose, G., cited on crystalline rocks 2, 388 



RosENBUscH, H., cited on eegerine-augite 8, 71 



biotite 3, 236 



eleolite-syenite 3, 84, 236 



epidote . . 4, 310 



formation of micropegniatite and pegmatite 5, 265 



granitite 6, 472 



leucite 8, 170 



rock series from acid to basic 5, 271 



textures 5, 273 



rocks from Laurbik 9, 254 



theralite 3, 450 



— , reference to " Microscopic physiography of the massive rocks " by 5, 265 



Ross, Sir J. C, cited on Antarctic ice-sheet 4, 192 



Rossi, A. J., Analysis of gabbros by 5, 422 



Roth, Justus, cited on rock analyses 7, 354 



composition 3, 1 9 



weathering 8, 1 64 



rocks from Lipari 5, 601 



