Abstract

 Page 
Accessions to the library 501 
A connection between the chemical and optical properties of amphiboles ; A. C. Lane 
Adams, F. D., cited on Canada limestones. 255 
—, Reading of paper by 471 
—, Reference to discussion by 8, 469 
—, Remarks on Kemp’s paper by 
—, Title of paper by 468 
Adehemar, J., cited on glacial accumulations 145 
Adirondack region, Limestones of the northwestern 263 
— —, Crystalline limestones, ophicalcites and associated schists of the 241 
Africa, Evidences as to changes of level in. 162 
Agassiz, A., Reference to charts of 104 
—, Term “Blake plateau” first used by 109 
Agassiz, L., cited on deep-sea invertebrates 133 
— — — forms of life in Central American waters 134 
Alabama, Geologic section in 106 
—, Zapata formation the equivalent of Columbia of 129 
Alaskan coast as an evidence of subsidence 160 
Algonkian age of Pikes Peak granite 471 
— of Texas 376 
 Page 
Accessions to the library 501 
A connection between the chemical and optical properties of amphiboles ; A. C. Lane 
Adams, F. D., cited on Canada limestones. 255 
—, Reading of paper by 471 
—, Reference to discussion by 8, 469 
—, Remarks on Kemp’s paper by 
—, Title of paper by 468 
Adehemar, J., cited on glacial accumulations 145 
Adirondack region, Limestones of the northwestern 263 
— —, Crystalline limestones, ophicalcites and associated schists of the 241 
Africa, Evidences as to changes of level in. 162 
Agassiz, A., Reference to charts of 104 
—, Term “Blake plateau” first used by 109 
Agassiz, L., cited on deep-sea invertebrates 133 
— — — forms of life in Central American waters 134 
Alabama, Geologic section in 106 
—, Zapata formation the equivalent of Columbia of 129 
Alaskan coast as an evidence of subsidence 160 
Algonkian age of Pikes Peak granite 471 
— of Texas 376 

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