CONTENTS. 



Page. 



Chapter I.— Introduction 22d 



Difficulties of the field 223 



Arrangement of report 225 



Chapter IL— The western islands of the bay 227 



Dutch Island 227 



Conanicut Island 228 



Fox Hill, Beaver Head 228 



Northern half of the island, north of Round Swamp 229 



Southern half of the island, south of Kound Swamp 232 



Shale region , 232 



G-ranite area, the Dumplings, and arkose region west of the Dumplings . , . 233 



Hope Island 235 



Prudence Island 237 



Chapter III.— The western shore of the bay 242 



From Saunderstown to Narragansett Pier , .- . 1-^42 



Along the shore 242 



West of the cove and Pattaquamscott River 246 



Prom Saunderstown to Wiokford 248 



From Wickford to East Greenwich . - - , 251 



Western border of the Carboniferous basin, from East Greenwich to Natick and north- 

 ward into Cranston 252 



Rocks east of the western border of the Carboniferous area in Warwick and southern 



Cranston 256 



Warwick Neck 258 



Chapter IV.— The northern shore of the bay - 259 



Providence River and eastward 259 



Rumstick Neck - - 260 



Popasquash Neck - 261 



BristolNeck 261 



Carboniferous area - - , 261 



Granite area 262 



Warren Neck - 264 



Conglomerates and shales of Swansea and Warren, north of the necks 264 



Gardeners Neck 267 



Braytons Point and northward 268 



Sewammock Neck 268 



Chapter v.— The eastern shore of the bay... 269 



Steep Brook ^ - 269 



Fall River -- 270 



TownsendHill 270 



Tiverton - - 271 



Gould Island - 272 



Granite area at the northeast end of Aquidneck Island 273 



Eastern border of the Carboniferous basin south of Tiverton Four Corners 274 



Sandstone series between Windmill Hill and the cove north of Browns Point .-...-.. 275 



217 



