Xll 



BULLETIN OF THE GEOtLOGICAL SOCIETY OF AMERICA 



PUBLICATIONS OF THE GEOLOGK^AL SOCIETY OF AMERICA 



Eegular Publications 



The Society issues annually a single serial octavo publication entitled 

 Bulletin of the Geological Society of America. The first twenty volumes 

 of this serial consist of proceedings and memoir brochures, the former containing 

 the records of meetings, with abstracts and short papers, list of Fellows, etcetera, 

 and the latter embracing larger papers accepted for publication. Beginning with 

 this volume (21), the Bulletin will be issued in four parts per year (volume), at 

 intervals of three months each. A small supply of authors' separates of the longer 

 articles will be kept for sale by the Secretary. 



The Bulletin is sold at the follow^ing prices : To Fellows, institutions, libraries, 

 and persons residing outside of North America, seven dollars and fifty cents ($7.50) 

 per volume; to persons in North America not Fellows of the Society, ten dollars 

 ($10.00) per volume (the same amount as the annual dues of the Fellows). These 

 prices cover cost of transmission to all parts of the globe. No reduction is made 

 to dealers. Orders should be addressed to the Secretary, whose address is care of 

 the American Museum of Natural History, New York, N. Y., and drafts and money 

 orders should be made payable to The Geological Society of America. 



Description of the Published Volumks 



Volumes. Pages. Plates. Figures. Price to Fellows. 



Vol. 1, 1899 593 + xii 13 51 $7.50 



Vol. 2,1890 622 + xiv 23 63 - 7.50 



Vol. 3,1891 541 + xi 17 72 7.50 



Vol. 4,1892 458 + xi 10 55 7.50 



Vol. 5,1893 655 + xii 21 43 7.50 



Vol. 6,1894 528 + X 27 40 7.50 



Vol. 7,1895 558 + X 24 61 7.50 



Vol. 8,1896 446 + X 51 29 7.50 



Vol. 9,1897 460 + x 29 49 7.50 



Vol. 10, 1998 534 4- xii 54 83 7.50 



Index to first ten volumes 209 .. . .. 2.25 



Vol. 11, 1899 651 + xii 58 37 7.50 



Vol. 12, 1900 538 + xii 45 28 7.50 



Vol. 13, 1901 583 4- xii 58 47 7.50 



Vol. 14, 1902 609 4- xii 65 43 7.50 



Vol. 15, 1903 636 + x 59 16 7.50 



Vol. 16, 1904 636 + xii 94 74 7.50 



Vol. 17, 1905 785 + xiv 84 96 7.50 



Vol. 18, 1906 717 + xii 74 59 7.50 



Vol. 19, 1907 617 + X 41 31 7.50 



Vol. 20, 1908 749 + xiv 111 35 7.50 



Vol. 21, 1909 823 + xvi 54 109 7.50 



