56i PROCEEDINGS OF BOSTON MEETING. 



Conglomerates enclosed in Gneissic Terranes (supplement): American Geologist, 

 April, 1889, pp. 256-262. 



Douglass Houghton (with portrait) : American Geologist, September, 1889, pp. 129- 

 139. 



Views on Prenebular Conditions: American Geologist, October, 1889, pp. 196-205. 



Charles Whittlesey (with portrait) : American Geologist, November, 1889, pp. 257- 

 268. 



Some Results of Archean Studies: Bull. Geol. Soc. Am., vol. 1, April, 1890, pp. 

 357-394. 



Winter Meeting of the Geological Society of America : American Geologist, February, 

 .1890, pp. 117-122. 



Organization of the Geological Society of America : Historical Sketch of the Or- 

 ganization (prepared in accordance with the request of the Council) : Bull. 

 Geol. Soc. Am., vol. 1, February, 1890, pp. 1-6. 



The Geological Position of the Ogishke Conglomerate: Proc. Am, Assoc. Adv. Sci., 

 vol. xxxviii I abstract). 



Recent Views about Glaciers : The Forum, November, 1890, pp. 306-315. 



Recent Observations on some Canadian Rocks: American Geologist, December, 

 1890, pp. 360-370. 



American Opinion on the Older Rocks : Published in the Eighteenth Report of the 

 Minnesota Geological Survey, pp. 65-226. 



A Last Word with the Huronian : Bull. Geol. Soc. Am., vol. 2, pp. 85-124, Febru- 

 ary 5, 1891. 



GEOLOGICAL WETTINGS OF CHARLES ALBERT ASHBURNER* 

 BY FRANK A. HILL 



Published under the direction of the Board of Commissioners of the Second Geological 



Survey of Pennsylvania 



Report of the Aughwick Valley and East Broad Top District : Report F, 1878, pp. 



140-184. 

 The Geology of McKean County and its connection wath that of Cameron, Elk 



and Forest: Report R, 1880. 

 Geological Atlas of McKean County : Atlas R, 1880. 

 Notes on the Geology of Potter County : Report G3, 1880, pp. 97-106. 

 A Description of the Renovo Coal Basin, Clinton County: Report G4, 1880, pp. 



73-78. 

 The Geology of the Panther Creek Basin or Eastern end of the Southern Field : 



First Report of Progress in the Anthracite Coal Region, A A, 1883, pp. 1-242. 

 Geographical Atlas, Southern Anthracite Field : Part 1, A A, 1883. 

 Statistics of Production and Shipment for 1883 and 1884 : Second Report of Progress 



in the Anthracite Coal Regions, Part 1, A A, 1885. 

 Geological Atlas, Northern Coal Field: Part 1, A A, 1885. 

 Geological Atlas, Eastern Middle Coal Field : Part 1, A A, 1885. 

 Geological Atlas, Western Middle Coal Field : Part 1, AA, 1885. 

 Grand Geological Atlas, Anthracite Coal Fields : Parts 1 and 2, 1885. 



* Biographic notice in volume 1, p. 521. 



