INDEX TO VOLUME 13 



Page 

 Accessions to Library from June, 1901, to 



June, 1902; H. P. dishing, Librarian 547-556 

 Adams, Frank D. ; Memoir of George M. 



Dawson 497-502 



— , Photographs by, Catalog of ; 401 



Adams, George I., Work of. 106, 107 



Adams, mount, Glaciers of. 536 



Agassiz, A., cited on geothermal gradient... 529 

 Age of lake Baikal [abstract] ; G. Fred- 

 erick Wright 530 



Agnew, Samuel EL, Acknowledgments to.... 52 



Alabama, Geological work in 101,105, 108 



— , Photographs from, Catalog of. 380 



Alagoa Grande, Brazil, Granite hills at 56 



, Lake near 57 



Alaska, Geologic work in 108 



— , Photographs from, Catalog of 381-385 



Alaska, Northern, Anaktoovuk plateau of... 237 



series in 245-246 



, Arctic slope province of. 236-237 



, Bergman series of 246-247 



, Colville province of 236-237 



series of 248-249 



, Corwin series in 244 



, Fickett series in 242-243 



, Geological sections in 233-252 



, Glacial materials in 250-251 



, Goobic sands of. 250 



, Koyukuk province of 234-235 



series in 246 



, Lisburne formation in 241 



, Mesozoic rocks of. 244-248 



, Mountain province of. 235-236 



, Nanuchuk series in 247-248 



, Paleozoic rocks of 238-244 



, Pleistocene rocks of. 249-252 



, Skajit formation in 2: J .8-239 



, Stuver series in 240-241 



, Tertiary rocks of 248-249 



, Totsen series in 239-240 



, Upper Cretaceous fossils from 248 



— , Southeastern, Carboniferous rocks 



in 258, 259, 260 



, Coastline of. 255 



, Correlation of rocks of 264-266 



, Cretaceous rocks in 260 



, Devonian rocks in 259, 260, 261 



, Fossils from 258-259 



, Geography of 254-256 



, Geological reconnaissances in 253-266 



, Igneous rocks in 261 



, Map of geology of. 257 



, Mesozoic rocks in 260 



, Paleozoic rocks in... 260, 261 



, Rivers of 256 



— — , Stratigraphy of. 256-261 



, Summary of geology of. 261 



, Tertiary rocks in 260-261 



Alexander archipelago, Devonian beds of. 259 



, Drainage of... 256 



, Islands of. 255-256 



, Mountains of 255 



Algonkian rocks, Maryland, Boundary be- 

 tween Patuxent formation and 193-194 



, Montana, Character and occurrence 



of 306-307, 316-317 



, Correlation of 317-321 



, Fossils of 317 



, Thickness of 318-319 



— series, Montana, Igneous rocks of. 349 



LXXXI— Bull. Geol. Soc. Am.. Vol. 13, 1901 



Page 

 Allegheny coals, Pennsylvania and West 



Virginia, stratigraphic position of... 123-124 



— formation, Maryland, Bolivar fire-clay of. 222 



— , Brookville coal of 220 



, Clarion coal of 221 



sandstone of. 221 



— , Columnar sections of. 221 



-, Composition and relations of. 220 



, Ferriferous limestone of 221 



, Freeport coals of 222-223 



limestones of. 222 



■ sandstones of. 222 



, Kittanning coals of 221,222 



sandstone of 221 



' , Split-six coal of 22L 



— series, Pennsylvania and West Virginia, 

 Thickness of 124 



Altyn limestone, Montana, Age of. 317 



, Character and occurrence of... 317, 318, 



321-322 



.Structure of 334 



: — , View showing 311 



America, Outlook of the geologist in 99-118 



American Association for Advancement of 



Science, Amendment to constitution of. 2 

 American Museum of Natural History, Pale- 

 ontological collections of the geological 



department of 532 



, Paleontologic researches of... 102 



Ames limestone (Crinoidal limestone), Cone- 

 maugh formation of Maryland, Charac- 

 ter and occurrence of 225 



Ami, H. M. ; Bibliography of George M. Daw- 

 son 502-509 



— ; Meso-Carboniferous age of the Union 

 and Riversdale formations, Nova Scotia 



[abstract] 533-535 



— ; Ordovician succession in eastern On- 

 tario [abstract]..... 517-518 



— , Record of remarks by 5:i2 



Anaktoovuk plateau, northern Alaska, To- 

 pography of. 237 



— series, Age of..'. 245-246 



, Character and occurrence of. 245 



, Structure of 245 



Analyses: andesite from Maine ;-t65 



North Carolina 364 



Virginia 365 



— : coals of the Laramie and Frontier for- 

 mations, Wyoming 544 



— : copper-bearing rocks of the Virgilina 



district 363-367 



— : greenstones from Michigan . 365 



North Carolina 364 



— : hornblende-andesite from California 365 



Colorado 365 



— : limestones from Brazil 45, 82, 96 



— : pyroxene-andesite from Yellowstone 



National park 365 



— : siderite from Helen mine, Canada 302 



— : waters along line of Great Western of 



Brazil Railway 91 



Anderson, E. M., Title of paper by 642 



Andesite, Analyses of 364-365 



Ant hill, Photograph of, catalogued 448 



Anticlinal folds in Pennsylvania, Occur- 

 rence and character of 530 



Antonio Olyntho, Brazil, Rocks near 82-85 



Appekunny formation, Montana, Character 

 and occurrence of 316,318, 322 



(567) 



