CONTENTS. 219 



Page. 



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 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 °42 



Western Bristol Neck 343 



Eumstick 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 and evidence of folding 345 



Eocky 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 Aquidneck shales 348 



Area occupied by the Aquidneck shale series 348 



Southern Conanicut 349 



Prudence Island 350 



Thickness of shale series on each side of Prudence Island syncline ; . 351 



Bristol Neck 351 



Aquidneck Island 35- 



Thickness of the shale section east of the Portsmouth syncline 353 



Probable thickness of the shale section west of the Portsmouth syncline 353 



Lithological variations in the shale series 354 



Geological structure of the middle third of Aquidneck Island 354 



Strata probably folded 355 



Gould Island of the Middle Passage 356 



Southern third of Aquidneck Island 356 



Upper green shales of the Aquidneck series 356 



Sakonnet sandstones of the Aquidneck series west of the river 357 



Thickness of the upper green shales 3o7 



Thickness of the Sakonnet sandstones 358 



Northern extension of the Aquidneck shales 358 



Equivalents of Kingstown sandstone and Aquidneck shale series northeast of Warren Neck. 358 



Sakonnet sandstones on the east side of the river 359 



Absence of the shale series beneath the coarse conglomerates east of the Sakonnet Kiver ... 360 



Wedge-shaped areal distribution of the Aquidneck shale series 361 



Equivalence of the Kingstown sandstones and the Aquidneck shales 361 



Fossils of the Aquidneck shale series 363 



