DAETON.] 



NORTH AMERICAN GEOLOGY. 



697 



New York — Continued. 

 1884. Report of work in Quaternary 

 geology, Cbamberlin, T. C. 



Investigations near Poughkeep- 

 sie, Dwight. 



Formations of canyons and preci- 

 pices, Macfarlane. 



Transition iron) copper series to 

 Potsdam, Wooster. 



Notes on building stones used in 

 New York, Newberry. 



Classification of joint structures, 

 Crosby. 



Report of survey of New Jersey 

 for 1884, Cook. 



Hall on Hudson age of Taconio 

 slates, Dana, J. D. 



Gorges and -waterfalls, Davis, 

 W. M. 



Cortland and Stony Point horn- 

 blendic and augite rocks, Dana, 

 J. D. 



Geologic occurrence of bitumen, 

 Peckbam. 



Potsdam at Saratoga, Walcott. 



Southward ending of a great 

 synclinal in the Taconic range, 

 Dana, J. D. 



Age of slates at SchodaCk Land- 

 ing, Ford. 



Drumlins, Davis, W. M. 



Cambrian of United States and 

 Canada, Waloott. 



Primordial in Stuy vesant, Colum- 

 bia County, Ford. 



History of serpentines by Hunt, 

 Dana, J. D. 



Little mountains east of the Cats- 

 kills, Davis, W. M. 



Origin of bedding in so-called 

 metamorphic rocks, Dana, J. D. 

 Geologic history of North Amer- 

 ican flora, Newberry. 



Comparative paleontology of De- 

 vonian, Williams, H. S. 



Wappinger Valley limestones, 

 Dwight. 



Geology of Lehigh and Northamp- 

 ton counties. Pa., Dana, J. D. 



Paramorphosis of pyroxene to 

 hornblende, Williams, G. H. 



Preliminary paper on moraine of 

 second Glacial epoch, by Cham- 

 berlin, Dana, J. D. 



Clinton and associated shales of 

 Pennsylvania, Claypole. 



New York — Continued. 

 1884. Climatic changes of later geo- 

 logic times, Whitney, J. D. 



Deflection of streams by terres- 

 trial rotation, Gilbert, G. K. 



Hudson River age of the Taconio 

 slates. Hall, Dana, J. D. 



Classification of the Upper De- 

 vonian, Hall, J. 



Illustrations of polished rock 

 surfaces, Morgan, H. J. 



Distribution and origin of drum- 

 lins, Davis, W. M. 



Fossil leaves, Staten Island, Hol- 

 lick. 



Glacial action in northern New 

 York and Canada^ Willcox. 



Unconformity of Upper and 

 Lower Silurian, Cook. 



Canadian and Paleozoic outlines, 

 Willcox. 



Microscopic structure of build- 

 ing stones, Merrill, G. P. 



Glacial boundary in Ohio, In- 

 diana, and Kentucky, Wright, 

 G.F. 



Report on terminal moraine in 

 Pennsylvania, etc., Lewis, H. 

 C; Lesley, J. P. 



Distribution of iron ores in east- 

 ern United States, Smock, 

 J. C. 

 1885. Glaciation of Mount Kearsarge, 

 Putnam. 



Taconic rocks and stratigraphy, 

 Dana, J. D. 



Geologic atlas of counties of 

 Pennsylvania, Lesley, J. P. 



Gypsum deposits of Cayuga 

 County, Williams, S. G. 



Contorted clays on west side of 

 Lake Champlain, Hall, C. E. 



Iron ores of northern New York, 

 Hall, C. E. 



Niagara gorge as a chronometer, 

 Wright, G. F. 



Progress of geology, 1883, Hunt, 

 T.S. 



Taconic System, Maroon, J. 



Gravels of south Delaware penin- 

 ■ sula, Chester. 



Notes on Niagara, Hallet. 



Age of rocks near Schenectady, 

 Ford. 



Lower Silurian fossils at Canaan, 

 Dana, J. D. 



