INDEX TO VOLUME 11 



Page 



Aar valley, Glacial erosion in 588 



Abbe, Cleveland, Jr., Commuting of dues 



by 515 



— , elected Fellow 1 



Acid volcanic rocks, Analysis of , 121 



, Characters and occurrences of. 11(5 



(fragmental), Characters and occur- 

 rences of 118 



, Mineral constituents of 117 



Adams, Frank I). ; Memoir of Sir J. William 



Dawson 550 



Agassiz, A., cited on coral reefs of Hawaiian 



islands 31 



Oahu coral reefs 30 



valley glaciers in JN'ew England... . 439 



Aguilera, J. G., cited on geology of Sonora, 



Mexico 11, 12 



Alabama, Oriskany formation in 322 



Alexander, W. D., cited on geology of Uahu. 10 

 Alleghany series, Character and occur- 

 rences of 147 



, Clarion group of 148 



, Floras of 14b, 155 



, Fossils from Clarion group of L49 



Freeport group of 154 



Kittanning group of 151 



, Freeport group of..... 153 



, Homotaxial relations between the 



Kanawha and 173 



, Kittanning group of 150 



— ■ — , Stratigrapnic position of 146, 147 



, Thickness of 146 



, Type sections of 147 



and Kanawha series, Relative ages of. 145 



Ami, H. M. ; Bibliography of Sir J. William 



Dawson 557 



— , cited on Lower Helderberg fossils from 



Arisaig 344 



— , Fossils identified by 328 



— , quoted on Oriskany fauna from Nova 



Scotia 331 



— , Title of paper by (505 



Amphibole-monchiquite, Analysis of 40(5 



Analcite, Occurrence of, at Golden. Colo- 

 rado 472 



Analyses: Acid volcanic rocks 121 



Amphibole-monchiquite 406 



Artesian water from Oahu 27 



Basic volcanic rocks 124 



Biotite-ijolite 399 



Borolanite 413 



Cambro-Ordovician limestones 494 



Copper ore 186, 196 



Dike rocks of Magnet Cove 406 



Essexite 413 



Fourchite 406 



Foyaite 4L2, 413 



Foyaitic rocks 412 



Garnet-pyroxene-malign ite 413 



Igneous rocks from Magnet Cove 399 



Jjolite 399, 412 



Jacupirangite 399 



Leueite-porphyry 399 



Leucite-tinguaite 400 



Limestones 351, 494 



Limonite ores 481 



Lujavrite 413 



Manlius limestone 351 



Mesolite 469 



Page 

 Analyses: " Nepheline-felsite " 406 



— : Nepheline-porphyry 412, 413 



— : Nepheline-syenite 399, 412 



— : Ouachitite 406 



— : Pulaskite 412 



— : Shonkinite 399 



— : Sodalite-syenite 413 



— : Thomsonite 469 



— : Tinguaite-porphyry 406 



— : Umptekite 412 



— : Urtite 412 



— : Zinc ore 186 



Animikie formation, Black slate member of. 506 



■, Graywacke-slate member of 500 



, Iron-bearing member of 507 



Apophyllite, Occurrence of, at Golden, Colo- 

 rado 473 



Aragonite, Occurrence of, at Golden, Colo- 

 rado 473 



Archean rocks, Metamorphism of, by Ke- 

 weenawan gabbro 509 



Arisaig, Nova Scotia, Silurian section at 343 



— rocks, Age of 342 



Arkansas, Igneous complex of Magnet 



Cove, in 389 



— , Ozark uplift and ore deposits of 231 



Artesian wells in Oahu 25 



Ashley, George H.; Geological results of the 



Indiana coal survey 8 



Asymmetry of the northern hemisphere ; 



E. Suess 96 



Atherton, J. B., Analyses of water fur- 

 nished by 27 



Axial lines, Distribution of, in northern 

 hemisphere 96 



Backstrom, H., cited on liquid solutions 414 



Bain, H. Foster ; Geology of the Wichita 



mountains 127 



— , Title of paper by 606 



Bancroft, W. E., cited on liquid solutions.. 414 

 Barlow and Ferrier cited on the basal con-. 



glomerate 113 



Barrande, J., cited on the Lower Helder-~ 



berg 243 



Barrett, S. T., cited on the Becraft fauna.. 306 



Oriskany at Port Jervis, New York.. 302 



— , quoted on Oriskany at Port Jervis, New 



York 305 



Barrois, Charles, cited on a fauna from 



Erbray 202 



Basaltic rocks, Oahu, Character and ex- 

 tent of 52 



Bascom, Florence, Title of paper by 606 



— ; Volcanics of Neponset valley, Massa- 

 chusetts 115 



Basic igneous rock, Contact metamorphism 



of 503 



— volcanic rocks, Analysis of 124 



, Neponset valley, Massachusetts, 



Occurrences and characters of 122 



Bayley, W. S., cited on the Keweenawan 



gabbro 505 



Becker, G. F., cited on crystallization of 



rocks 410 



liquid solutions 414 



Beecher, Charles E.; Memoir of Othniel C. 



Marsh 521 



LXXXIX— Bur.r,. Geol. Soc Am., Vol. 11, 1899 



(639) 



