INDEX 



The superior figures tell the exact place on the page in ninths, e. g. 3313 

 means page 331, beginning in the third ninth of the page, i. e. about one 

 third of the way down. 



Adamellite, analyses, 339". 



Adams, F. D., cited, 305°, 343\ 345\ 



Adirondack eruptives, general 

 characters, 338»-40^ 



Akerite, 340\ 



Albite, 313^ 319=, 334*, 335^ 336^ 

 337% 339^, 348«, 352*, 352^ 



Allanite, 313«. 



Alnoite, 398*. 



Ami, cited, 383% 



Amphibolites, 296% 301\ 301^ 330'. 



Analcite, 396'. 



Analyses, 331^-38% 350=-51*, 397«, 

 398«'-99*. 



Andesiu, 320», 321*, 328^ 349% 3961 



Anorthite, 304*, 328*^, 334*, 335', 336^ 

 3371 



Anorthoclase, 352^ 



Anorthoslte, 275^ 303'-8«, 338\ 340^ 

 34P; analyses, 332^ 334^; dif- 

 ferentiation, 305''-7^ ; relation to 

 syenite, 318^-22° ; surrounding 

 rocks, 307'-8«; texture. 305^; 

 Whiteface type of, 310''-12\ 



Anorthosite gabbros, 306', 308^ 310^, 

 310^ 320^ ; analyses, 332^ 334^ 



Anorthosite outliers, 308''-10°. 



Apatite, 295% 304% 309% 309', 309°, 

 311°, 313% 313^ 319*, 326', 329«, 

 335', 348«, 351^ 352*, 352^ 352\ 

 398^ 



Appalachian uplift, 421'-23*. 



Asaphus canalis, 366". 



Augite, 300', 304% 305S 309^ 309", 

 310\ 311=, 313=, 313^ 313', 313", 

 319*, 328^ 328^ 329^ 329*, 334*, 

 335', 336*, 337^ 337=, 349% 349*, 

 349«, 349", 350*, 351^ 351', 351", 396% 

 396^ 



Augite syenite, 340^ ; analyses, 333\ 



339% 353=. 

 Ausable river, 439=, 440*, 442". 



Banatite, analyses, 339\ 



Basic dikes, 396-. 



Batholites, 402-. 



Beekmautown (Calciferous) forma- 

 tion, 281^-82', 360'-69^ 388'-89". 



Big Chazy river, 440*. 



Biotite, 296% 300^ 300', 304°, 309', 

 313% 315^ 318°, 319*, 323°, 328", 

 348*, 348°, 349', 351', 352*, 352«, 

 396% 396^ 398=. 



Birdsej^e limestone, see Lowville 

 (Birdseye) limestone. 



Black creek, 442'. 



Black river, 438'. 



Black river formation, 2S3"-S4°, 

 371=-73*, 39r-93- ; thickness. 376=. 



Bolboporites americanus, 366*. 



Bostonites, 395=-96\ 



Brainard, cited, 361% 365*, 374', 376*, 

 383*. 



Brigham, cited, 437", 438*, 438% 440°, 

 442^ 



Brogger, cited, 340". 



Bronzite, 305% 313=, 337=, 349=. 



Bucania sp., 367*. 



Bytownite, 304*. 



Calciferous formation, see Beek- 

 mantown (Calciferous) formation. 



Calcite, 348% 395'. 



Calymmene multicosta, 367'. 



Cambric sandstone, see Potsdam 

 (Cambric) sandstone. 



Camerella (?) costata, 365'. 



Campbell, cited, 424". 



