IFDEX. 



397 



Page. 

 Crosby, W. O., and Barton, Q. H., cited on Carbon- 

 iferous ago of red beds about ISTorth Attle- 



boro 141,387 



cited on dike, rooks of Paradise Hock— Hanging 



Eock region 301 



cited on Primordial rocks * 109 



Cumberland, R. I., coal mine in 206 



conglomerate beds at UO 



iron ore at 89 



Cumberland Hill, R. I., bowlder train at 72 



Cumberland quartzites, character and occurrence of. 106-107 

 Current and surf action, character and extent of ero- 



sionby 76 



Dale, T. l^Telson, cited as to anticlinal structure of 



Hanging Book district 



cited as to unconformity between Cambrian and 



Carboniferous - 



cited on fern impression in sbale on Conanicut 



Island - 



cited on obscuration of rock relations by fault- 

 ing 



cited on occurrence and position of conglomer- 

 ates at Ne^^ port - 



cited on occurrence of coal seams and coal plants 



In excavations at JSTewport 



cited on occurrence of quartz-porpliyry on ISTew- 



port iNeck , 



cited on possible unconformity between Carbon- 

 iferous arkose and Cambrian shale near 



Sachuest Point 



cited on rocks of Paradise Bock, Hanging Book 



region 



cited on salt-water fossils in Carboniferous shales - 



cited on structure of Hanging Bock ridge 



cited on thickness of shales at Bastons Point- . . 



early geologic map prepared by 



fossil fern locality, Conanicut Island, discov- 

 ered by 



Dana, J. D., cited 



Davis, W. M., cited on formation of faults in the Con- 

 necticut Basin- ...» 



DavisviUe, B. I., Carboniferous rooks near 



Dedham quadrangle, Carboniferous beds of 



Denudation, difficulties of stratigraphio determina- 

 tion occasioned by 



Deposition, cycles of 



Devils Poot Ledge, B.I., view showing cross stratifi- 

 cation in pebbly sandstone at 



view showing sandstone-gneiss at- 



Diabase, occurrence of 



relations of felsite and 



view of dikes of 



Diamond Hill, B. I., Cambrian rocks and fossils of . . 



granite-porphyry and quartz at 



quartz mass at - 



Dictyopteris scheuchzeri, occurrence of 



Dighton conglomerate, views of ,. 



view of pebbles from « 



Dighton conglomerate group, beds of 



table showing geologic place and equivalents of. 



Dikes and dike rocks, occurrence of 27-29, 



Diorite, occurrence of 



Distortion of pebbles and fossils by compression 



299 

 308 

 339 

 380 

 373 

 372 

 316 



287 



303 

 381 

 ,367 

 358 

 133 



347 



127 



23 



251 



187-193 



101-102 

 49-50 



248 

 334 



162-153 

 154 

 152 

 393 



117, 118 

 155 

 204 

 184 

 186 



184-187 

 134 



152-153 



118 



18 



Page. 



Dodgeville, Hass., conglomerate beds near 175-176 



Dumpling Bock, Conanicut Island, character of 234-235 



Dutch Island, B. I., geologic features of 227-228, 337-338 



East Poxboro, Mass., gabbro and granitite at 118 



East Greenwich, B. I., Carboniferous rocks near. 251, 252-253 

 East Providence, B. I., cross section near 168 



Tenmile Biver beds at 164-165 



Eastons Point, B. I., rocks at and near . 294-295, 357, 365, 372 



Eastons Pond, conglomerates near 303, 370, 371 



Economic resources of the basin 77-90 



Emmons, A. B., analyses of coal cited from 191 



cited on fraudulent coal core from boring made 



near Lebanon Mills 172 



cited on Bhode Island coals ,. 83,84,86 



Emmons, E., cited on Cambrian rocks 104, 109 



Erosion, glacial, amount of 71-76 



relatively rapid and effective work of 73 



Ettoblattina clarkii, occurrence of 203 



Ettoblattina exilis, occurrence of 203 



Ettoblattina gorhami, occurrence of 203 



Ettoblat*tina illustris, occurrence of 203 



Ettoblattina reliqua, occurrence of 203 



Ettoblattina scholfieldi, occurrence of 203 



Ettoblattina sp., occurrence of 203 



Fall Biver, Mass., arkose deposits near - . 51-52 



granite and Carboniferous rocks at 270 



Eaulting, occurrence and directions of 310, 377 



Eelsites, occurrence of 116,153-155 



Perns, fossil, occurrence of 347, 363, 374, 378 



Pinlay, J. B., acknowledgments to, - , ,. 211 



cited on boundary of Carboniferous basin 127 



Pinlay, P. H., and Bichmond, H. I., cited on gabbro 



hills of Sharon,Mass 118 



Plint Point, B. I., arkose and shaly rocks near 283 



Plora, Carboniferous 170,181,204 



Foerste, A. P., area surveyed by xvii 



cited on quartz veins in granite-porphyry at 



Diamon d Hill, B. 1 118 



cited on "Wamsutta group 141 



cited on fence-wall geology 102 



cited on horizon of limestone at Nahant 388 



description of Cambrian deposits of the south- 

 western part of the basin prepared by 381, 393 



description of the Carboniferous strata of the 

 southwestern portion of the basin prepared 



by 215-380 



Wamsutta group of 141 



Foerste, A. F. and Shaler, N. S., cited 109 



Fogland Point, B. I., conglomerate at 278-279 



Folding, age of the 22-23 



types of , 16-17,21-22 



Folding and faulting, difficulties of stratigraphio de- 

 termination occasioned by 101 



Folds, forms and attitudes of 16-17, 21-22 



plan of. - 27 



Foolish Hill, Foxboro, Mass., basal arkose at 135 



Carboniferous strata at 188 



exposure of red rocks of Wamsutta groups at ..143, 144 



fault at ' 128 



section at 190 



Fordilla troy ensis, occurrence of 389 



