PUBLICATIONS OF THE GEOLOGICAL SOCIETY OF AMERICA. 



Regular Publications. 



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

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

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

 Fellows, etc., and the latter embracing the larger papers accepted for publication. 

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

 are at once distributed to Fellows and exchanges. The brochures are arranged for 

 binding in annual volumes, which are elaborately indexed. 



The Bulletin is sold to Fellows and the public either in full volumes or in sepa- 

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

 on the cost of publication ; and to libraries and the public the fixed amounts given 

 below. The brochure prices for volumes 1 and 2 are given on pages ix-xi of volume 

 2; the prices for the brochures of volume 3 are given below. 



Volume 1, covering the work of the Society from the organization in 1888 to the 

 end of 1889, comprises 593 + xii pages, 13 plates and 51 cuts. Price to Fellows, §4.50 ; 

 to libraries, S5.00 ; to the public, $10.00. 



Volume 2, covering the work of the Society for L890, romprises 662 + xiv pages, 

 2:; plates and (13 cuts. Price to Fellows, $4.50 ; to libraries, $5.00 ; to the public, $10.00. 



Volume 3, covering the work of the Society for 1891, is now complete, and com- 

 prises 541 + xii pages, 1 7 plates and 72 figures. Price to Fellows. $4.00 ; to libraries, 

 $5.00; to the public, $10.00. The volume is made up of 15 brochures as follows: 



bkoch URE . p. 6ES . p,v,„, w™. ;:;:;;:;- j;--,;;;,. 



Proceedings of the Summer Meeting 



held at Washington. H. L. Fairchild, 



Seen tary 1-152 0-2 1-32 $1.90 $3.75 



Preliminary Notes on the Discovery of a 



vertebrate Fauna in Silurian (Ordovi- 



cian) Strata. C. D. Walcott 153-172 3-5 1 .30 .60 



Certain extra-morainic Drift Phenomena 



of New Jersey ; On the northward and 



eastwai'd Extension of the pre-Pleisto- 



cene Gravels of the Mississippi basin. 



R. 1). Salisbury 173-186 .15 .25 



The Mannington Oil Field and the His- 

 tory of its Development ; Fossil Plants 



from the Permian Beds of Texas. I. 



C. White 187-218 6 40 .75 



Notes on the Geology of the Valley of 



the middle Rio Grande. E. T. Dum- 



ble 219-230 10 .20 



Eleolite-Syenite of Litchfield, Maine, * 



and Hawes' Hornblende-Syenite from 



Red Hill, New Hampshire. W. S. 



Bayley 231-252 7 1-3 .30 .55 



(viii) 



