PUBLICATIONS OF THE GEOLOGICAL SOCIETY OF AMERICA. 

 Eegular Publications. 



The Society issues a single serial publication entitled Bulletin of the Geolog- 

 ical Society of America. This serial is made up of proceedings and memoirs^ the 

 former comprising the records of meetings, with abstracts and short papers, lists of 

 Fellows, etc., and the latter comprising the longer papers accepted for publication. 

 The matter is issued, soon as practicable after acceptance, in covered brochures 

 which are distributed at once to Fellows and exchanges. 



The publications are sold to Fellows and the public in full volumes as well as in 

 separate brochures. The volume prices are, to Fellows a variable amount, depending 

 on the cost of the volume (voJumes 1 and 2, |4.50 each) ; to libraries, $5.00 per 

 volume ; and to the public ten dollars ($10) per volume. The brochure prices are 

 given below. 



Volume 1, covering the work of the Society from its organization to the end of 

 1889, is complete. It comprises the following brochures : 



Brochuee. Pages. Plates. Figubes. ^^l^^^ ,^e PuVl^c. 



Organization, Proceedings of Toronto 

 Meeting, and Papers read at Toronto. 

 J. J. Stevenson, ^S-ecre^fary 1-86 11-12,1-7 |1.40 $2.75 



Origin of the Hock Pressure of Natural 

 Gas in the Trenton Limestone of Ohio 

 and Indiana. Edward Orton 87-98 .15 .30 



Notes on the Surface Geology of Alaska. 

 I.C.Russell 99-162 2 .90 1.80 



Note on the Pre-Paleozoic Surface of the 

 Archean Terranes of Canada ; The In- 

 ternal Relations and Taxonomy of the 

 Archean of Central Canada. A. C. 

 Lawson 163-194 



Structure and Origin of Glacial Sand 



Plains. W. M. Davis 195-202 



The Pre-Cambrian Rocks of the Black 



Hills. C. R. Van Hise 203-244 



Orographic Movements in the Rocky 

 Mountains. S. F. Emmons 245-286 



On Glacial Phenomena in Canada. Rob- 

 ert Bell 287-310 



On the Pleistocene Flora of Canada. Sir 

 William Dawson and D. P. Pen- 

 hallow 311-d34 



The Value of the Term "Hudson River 

 Group " in Geologic Nomenclature. C. 

 D. Walcott 335-356 



Some Results of Archean Studies. Alex- 

 ander Winchell 357-394 



Post-Tertiary Deposits of Manitoba and 

 the adjoining Territories of Northwest- 

 ern Canada. J.B.Tyrrell 395-410 



Sandstone Dikes. J. S. Diller 411-442 



Tertiary and Cretaceous Deposits of East- 

 ern Massachusetts. N. S. Shaler 443-452 







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 1.75 



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