112 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



North America in the ice period — Hitchcock, 134. 



North American Mesozoic and Cenozoic geology and paleontology — 



Miller, 219. 

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

 North Canaan, geology — Emerson, 113. 



map — Emerson, 537. 

 North Guilford, fossils — ■ Loper, 189. 

 North Haven, excursion — Dana, 71. 



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

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

 Northeast pond, map — Petros, 579. 



moving rocks — Lee, 186; Petros, 232. 

 Northford, ice caves — Kimball, 179; Silliman, 269. 

 Norton. H., Glacier scratches in Goshen — Norton, 226. 

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



granite — Newberry, 220. 



magnetic declination — Gannett, 121. 

 Norwich, bowlders — Wells, 293. 



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

 Notch mountain, map — Davis, 531. 



trap — Davis, 98, 100. 



Oliver Mitchell brook, map — Hobbs, 556. 



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



Orange phyllite — Rice and Gregory, 243a. 



Ore hill, mines — Eckel, 108; Putnam, 235. 



Origin of grand outline features of the earth — Dana, 24. 



Origin of stratification — Wells, 292. 



Ornithichnology — Hitchcock, 139, 146. 



Outline of the geology of England and Wales — 302. 



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



Paleontologj' of New York — Hall, 127. 



Palisade ranges, Triassic sandstone — Dana, 34. 



Pang mountain, map — Davis, 520. 



Peat, discussion — Perry, 231. 



Peet, C. E., Glacial and post-Glacial history — Peet, 22^. 



Pegmatite, Canaan — Hobbs, 153. 



description — Rice and Gregory, 243a. 

 Peneplain, Cretaceous — • Davis, 94, 98. 

 Percival, J. G., biography — 230. 



map of the trap belt of central Connecticut — Dana, JZ- 



Notice of locality of sulphate of barytes — Percival, 228. 



Report on the geology of the State of Connecticut — Percival, 

 229. 



survey, history of — Gregory, 124c. 

 Perry, J. B., Hints toward the post-Tertiary history of New England — 



Perry, 231. 

 Petroleum, Salisbury — Lee, 185. 

 Petros, Moving rocks of Salisbury — Petros, 232 

 Pettipaug, molybdena — Silliman, 263. 

 Phyllite, Orange — Rice and Gregory, 243a. 



Pomfret — Rice and Gregory, 243a. 



