X CONTENTS. 



Part III — Continued. 



Chapter VI.— Aquidueck, or the Island of Rhode Island, etc. — Continued. p age . 



Newport Neck and southern cliff rocks 314 



Greenish igneous rock in the cliffs southwest of Sheep Point 314 



Granite area at the south end of the cliffs . 315 



Granite area on eastern Newport Neck 316 



Greenish aud purplish argillitic rock of middle Newport Neck 316 



Pre-Carbouiferous green and purple shales of western Newport Neck 316 



Shale series from Coddington Cove to Lawtons Valley 319 



Greenish-blue shales of Slate Hill and southward 320 



Shale series uorth of Lawtons Valley 320 



Shore exposures north of Coggeshall Point. 320 



Portsmouth mine and northeastward 321 



Line of exposures three-eighths of a mile west of the Newport road 326 



Shale series at Butts Hill 327 



Green shales aud conglomerates of the northern sy ncline 327 



Green shales along the western Newport road 327 



Conglomerates 328 



Relations to Slate Hill shales 329 



Chapter VII. — The Kingstown series 331 



Unity and lithological character of the Kingstown sandstone series 331 



Section from the Bonnet to Boston Neck 333 



Section from the Bonnet to Hazard's quarry and Indian Corner 333 



Kingstown series in southwestern Cranston and western Warwick 334 



Probable thickness of the Kingstown sandstone series in Cranston and Warwick .. . 336 



Warwick Neck exposures 336 



Exposures on the western islands of the bay 337 



Thickness of strata between the Bonnet and Dutch Island 337 



Lithology of the Dutch Island series 338 



Beaver Head section 338 



Total thickness of the Kingstown series, including the conglomerate at Beaver 



Head 338 



Western shore of Conanicut 339 



Eastern shore of Conanicut 339 



Probable folding in the northern part of Conanicut Island 340 



Hope Island 341 



Kingstown series exposures on the western islands 342 



Prudence Island 342 



Western Bristol Neck 343 



Rumstick Neck 344 



Kingstown sandstones equivalent to lower part of Coal Measures group 344 



Triangular area of the Kingstown series in the Narragansett Basin, narrowing 



southward 344 



Thickness of the series aud evidence of folding 345 



Rocky Point conglomerate and its connection with the estimate of the thickness of 



the northern section 346 



Chief features of the Kingstown series 346 



Fossil-plant localities 347 



Chapter VIII. — The Aquidueck shales 348 



Area occupied by the Aquidneck shale series 348 



Southern Conanicut 349 



Prudence Island 350 



Thickness of shale series on each side of the Prudence Island syncline 351 



Bristol Neck 351 



Aquidneck Island 352 



Thickness of the shale section east of the Portsmouth syncline 353 



