122 CONNECTICUT GEOL. AND N.'\;r. HIST. SURVEY. [BuU. 



Valcherville, M. de, Highland park, Mancl>ester — Valcherville, 285. 



Vernon, geology — Percival, 229 ; Rice and Gregory, 243a. 



Vineyard gap, map — Davis, 526. 



Volcanic and seismic disturbances — Markham, 201. 



Volcanoes, and volcanic substances — Cooper, 18. 



Connecticut valley — -Hitchcock, 142, 143. 



facts concerning, and products — Cooper, 18. 



lost volcanoes of Connecticut — Davis, 95. 



W 



Wacke, Salisbury — Lee, 185. 



Walcott, C. D., Correlation papers, Cambrian — Walcott, 288. 



Synopsis of conclusions on " Taconic of Emmons " — Walcott, 

 287. 



Taconic system, 286. 

 Wallingford, copper — Silliman, 264. 



description of Triassic — Davis, 82, 98. 



excursion to Meriden — Dana, 30. 



geology — Percival, 229 ; Rice and Gregory, 243a. 



junction of trap and sandstone — Chapin, 13. 

 Warren, geology — Percival, 229 ; Rice and Gregory, 243a. 

 Warren, J. C., Geological position of the mastodon — Warren, 289. 

 Washington, geology — ■ Percival, 229 ; Rice and Gregory, 243a. 



minerals — Brace, 9. 

 Water cement of Southington — Lowrey, 191. 

 Water courses and alluvial and rock formations — Smith, 279. 

 Water supply — Gregory, 123, 124. 

 Water supply and irrigation papers — 282. 

 Waterbury, geology — Percival, 229; Rice and Gregory, 243a. 



sewage conditions — Rafter, 240. 

 Waterbury gneiss — Rice and Gregory, 243a. 

 Watertown, description — Silliman, 265. 



geology — Percival, 229. 

 Webster, J. W., Localities of minerals — Webster, 290. 

 Well and spring records — Gregory, 123. 

 Wells, deep borings — 282. 



drilled, in Triassic area — Pynchon, 239. 

 Wells, D. A., Connecticut valley sandstone formation — Wells, 291. 



Evidence of glacial action — Wells, 293. 



Origin of stratification — Wells, 292. 



Remarkable bowlders — Wells, 294. 

 West Haven, greenstone — Hitchcock, 136. 

 West peak. See Meriden. 

 West river, map — Dana, 513. 

 West Rock, criticism of Dr. Hawes' article — Dana, 50. 



description — Dana, 71, 72. 



difference between East and West rocks — Porter, 234. 



map- — Dana, 516, 517. 



trap — Dana, 21; Davis, 98, 100; Hawes, 128; Rice and Greg- 

 ory, 243a. 

 Westbrook, geology — Percival, 229. 



Westerly granite — Kemp, 177; Rice and Gregory, 243a. 

 Western Connecticut, map — Martin, 574. 

 Western discharge of the flooded Connecticut — Dana, 56. 



