396 



INDEX. 



Braytons Point, Mass., shales with fossil plants at. . 268 



Brentons Cove, E. I., rocks near 316,317 



Bridge-water, Mass., Carboniferous beds near 192-193 



coal beds in 205 



Bristol, E. I., coal beds at 79-80,206 



fossil insects from 202,204 



Bristol Keck, E. I., Carboniferous and granitic rocks 



on 261-263,343-344,351-352 



synclinal fold near 345 



Brockton, Mass., Carboniferous beds near 192-193 



Browns Point, E. I., rocks at and near 281-283, 286 



Burr, H. T., cited u7 



Butts Hill, B.I., rocks at and near 327,328 



Calamites, occurrence of 170, 174, 191, 321 



Calamites suckovii, occurrence of 165 



Cambrian rocks, bibliography of 212-214 



map showing distribution of pebbles from 110 



origin of red color of 62-63 



pebbles and fossils from 109-113 



Cambrian rocks and fossils, occurrence of 381, 



382, 383, 384, 385, 386-393 



Canton, Mass., gabbro and granitite at .118 



Canton Junction, Mass., gabbro and granitite at 118 



Carboniferous basin, boundary of 124-130 



Cambrian and other inlying areas in 130-131 



conditions of strata in 119 



features of 119-132 



features of faults on border of 132 



maps and sections of 121, 122, 123 



Carboniferous clay slate, fresh- water origin of 202 



Carboniferous conglomerates, character of 61-67 



glacial pebbles derived from 70-71 



Carboniferous period, development of fresh-water 



basins on Atlantic coast during 38-39 



geologic conditions immediately preceding 8-9,13 



Carboniferous rocks, basins in 12 



bibliography of 212-214 



folds and fractures limited to 20-21 



line of separation between pre-Carboniferous 



and 308 



New England areas of 12 



occurrence, character, and thickness of. . 119-201, 208-210 



origin of red color of 62-63 



original distribution in eastern Appalachian 



coalfield 38-39 



original extent of 40 



precise age of 36-37 



series underlying 104-113 



table showing 134 



Carboniferous sandstones, view of 186 



Carrs Point, E. 1., rocks near 319 



Case's coal mine, operations at 206-207 



Caseys Point, E. I., Carboniferous rocks near 248 



Castle Hill, E. I., rocks at 317 



Central Falls, E. I. , rocks of Wamsutta group near . . 147 



Chace, G. F., record of artesian well-boring furnished 



by 1°8 



Chartley quarry, section in I 97 



Chemical analyses. (See Analyses.) 



Churchs Point, E. I., Carboniferous rocks near 283 



Clark, B. F., fossil plants collected by 203-204 



Clay, bowlder, occurrence of 69-70 



Clay slate (Carboniferous), fresh-water origin of 202 



Page. 



Clump Eocks, Carboniferous rocks at and near 244-245 



Coal, analyses of 83,161,191 



economic value of 80-88 



occurrence and character of beds of 79-88, 



161, 169, 171, 176, 182, 189, 190, 191, 192, 

 198, 205-207, 321, 322, 323, 324. 325, 372 



places for exploration for 85-88 



profitless exploitation of beds of xix 



suggested method of prospecting for 207-208 



Coal field of Eastern Appalachians, original distribu- 

 tion of 38-39 



Coal Measures, areas, exposures, subdi visions, thick- 

 ness, and general features of 159-201 



Coastal erosion, character and extent of 44-46 



Coasters Harbor Island, arkose of 380 



Carboniferous rocks on 306-307, 370, 371 



contact line of Carboniferous and pre-Carbonifer- 

 ous rocks oil 308-309 



Cobb, Collier, cited on increase of metamorphism 



with increase of depth of strata 191 



cited on King Mountain, N. C 44 



record of boring at Portsmouth, E. I., examined 



by - 321 



Cochesett Station, Mass., section near 192 



Cockroaches, Carboniferous, occurrence of 202 



Coddington Cove, R. I., rocks near 319 



Coddington Neck, R. I., shales on 305 



Coloration of rocks, causes of 115 



Coman, C. "W., acknowledgments to 211 



Compression of rocks hy lateral strain, evidence of. 17-18 



diagram showing conditions of 19 



Conanicut Island, R. I., Aquidneck shales on 319 



arkoso of 380 



Carboniferous rocks of 30S, 339 



folding of Kingstown series on 345 



fossil plant localities on "- 347 



geologic features of 228-235 



Kingstown series on 339 



probable folding in 340-341 



thickness of arkose on 380 



Conglomerates, occurrence and character of 55-61, 



64-67, 375-380 



glacial pebbles derived from 70-71 



origins of 55-59 



record value of 59-61 



Connecticut Basin, geologic history of 13-15,23-24 



orogenic action in 23-24 



Cordaites, occurrence of 1 "0, 191, 387 



Cory s Lane, section near 320-321 



Cranston, R. I., analysis of coal from 161 



bed of limestone in -•- 108 



coal beds at 79,80,206 



coaly shales at 335 



fossil insects from 202,203 



Kingstown series at 335-336, 342 



Cranston beds, occurrence and character of 159-164 



table showing geologic place and equivalents of. 134 



Croll, James, cited 64 



Crosby, "W. O., cited as to anticlinal structure of 



Hanging Rock district 299 



cited on coloration of rocks 115 



cited on Montalban rocks 104 



cited on structure of Hanging Rock ridge 367 



features of geologic map prepared by 125 



Crosby, W. O., and Barton, G. H., cited on boundary 



of Carboniferous basin 125, 127 



