INDEX TO PART III. 



Page. 



Acadian fauna, .... 282 



Accumulation of ice-sheet, 8, 177, 337 

 of lower till, . 287,308 

 Adhemar's theory, . . . .18 

 Agassiz, Mt. . . . 210, 213, 236 

 Prof L., theory of continent- 

 al ice-sheet, 4; on kames, 174; on 

 local glaciers, 231, in Bethlehem, 

 234-238 ; on origin of modified 



drift, 238 



Altitude of ice-sheet, 9, 320 ; along 

 rivers — see Heights. 



Alton bay, 129 



Ammonoosuc river — Lower, 29, 61- 



63, 213, 241 ; Upper, . . .138 



Amoskeag falls, . . 64, 95, 250 



granite quarry, . 179, 232 



Analyses of till and clays, . 287, 333 



Ancient river-beds, 24, 29, 37, 40, 81, 



90, 98 

 Andover, Mass., series of kames, 167-170 

 Androscoggin river, 138-141 ; valley 



glacier, .... 226-229 



Antarctic continent, ice-covered, 5, 330 

 Arctic fauna, ..... 282 

 Asar (kames), . . . 12, 62 



Ascutney mountain, stricC, 201 ; boul- 

 ders from, 196, 263 ; boulders on, 272 

 Ashuelot river, ... 57, 67 



Astarte castanea, . . . 166, 167 

 Astronomical cause of glacial period, 5-9 

 325, 328, y:,! 



Atlantic system of mountains. 



?66 



"Backbone" of Long Island, . . 303 

 Baffin's bay, . . . . 317, 322 

 Baker's river, . . . 72,181,223 

 Balch pond, ..... 14S 

 Ballard rock 266 



VOL. III. 49 



Page. 



Banks of Newfoundland, . . . 317 

 Barbadoes pond, ... 17, 161 

 Barber's mountain, .... 49 

 Barriers of ice forming lakes, 11, 65, 



115-119, 175, 332; of modified 



drift, 53, 79, 251; of till, . 216,251 

 Bartlett boulder, . . . 269, 270 

 " Bays" in lake district, . . .124 

 Beach, ancient, of Winnipiseogee 



lake, 127, 138 



Beach - ridges, loi, 172-174, 311: 



about the great lakes, . 174, 332 



Bear Camp river, . . . 121, 146 

 Beaver dams, . . . .. • 3^3 

 Beech pond. Upper . . 128, 252 



Bellows Falls, . . -47, Sl^ 64 



Berlin Falls, 140 



Bessel, Dr. Emil . . • 317. 3^9 

 Bible hill, Claremont, . . .196 

 Black river, delta, . . . • 52 

 Blackwater river, 113; valley glacier, 220 

 Blue clay, 94, 131. iS3-i55. 158-161 



Bluffs of modified drift, 36, 82, etc. ; 



of till 293, 296 



Boar's Head, . . • 173- 254-257 

 Bottom-land, 21 ; see Interval. 

 Boulder clay, . .' • 9-176, 258 



Boulderless areas, . . . • 264 

 Boulders, dispersal, 4, 237, 252-275, 

 320, 339 ; carried by local glaciers 

 of White Mountains, 239-249 ; gla- 

 ciated, 9, 205, 260, 277-279, 286; 

 angular, 10, 286, 301 ; unstable, 

 262, 277; rocking, 271, 357; rare 

 or abundant, 264; large, 264-271 ; 

 floated, 117, 158, 160, i62_, 276, 

 320; specimens, 273, 279; in and 

 upon kames, 14, 43, 46, 107, 127, 



