XIV BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



PUBLICATIONS OF THE GEOLO(5HCAL SOCIETY OB^ AMERICA 



Regular Publications 



The Society issues annually, in four quarterly parts, a single serial octavo 

 publication entitled Bulletin of the Geological Society of America, the edi- 

 tion being 700 copies. A small supply of authors' separates of the longer arti- 

 cles is kept for sale by the Secretary at the prices quoted in each volume. 



The Bulletin is sold at the uniform price of ten dollars ($10.00) per vol- 

 ume, with a discount of twenty-five (25) per cent to Fellows of the Society, 

 persons residing elsewhere than in North America, and public and institu- 

 tional libraries; carriage extra. Subscriptions are payable in advance. Reg- 

 ular subscribers within the United States of America and its possessions re- 

 ceive their parts, postage paid, as issued. Forty (40) cents per volume must 

 be added to the subscription price to cover postage to other countries in the 

 Postal Union. 



The price of the index to volumes 1-10 is $2.25 and of the index to volumes 

 11-20 is $3.50; "carriage extra. 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 Volumes 



Volumes. Pages. Plates. Figures. 



Vol. 1, 1889 593 + xii 13 51 



Vol. 2, 1890 622 + xiv 23 63 



Vol. 3, 1891 541 -f xi 17 72 



Vol. 4, 1892 458 -f xi 10 55 



Vol. 5, 1893 655 + xii 21 43 



Vol. 6. 1894 528 + x 27 40 



Vol. 7, 1895 558 -f x 24 61 



Vol. 8, 1896 446 -f x 51 29 



Vol. 9, 1897 460 + x 29 49 



Vol. 10, 1898 534 + xii 54 83 



Index to volumes 1-10 209 



Vol. 11. 1899 651 4- xii 58 37 



Vol.12, 1900 538 + xii 45 28 



Vol. 13, 1901 583 + xii 58 47 



Vol. 14, 1902 609 -f xii 65 43 



Vol. 15. 1903 6.36 -f x 59 16 



Vol. 16, 1904 636 + xii 94 74 



Vol. 17, 1905 785 + xiv 84 96 



Vol. 18, 1906 717 + xii 74 59 



Vol. 19, 1907 617 + X 41 31 



Vol. 20, 1908 749 + xiv 111 35 



Index to volumes 11-20 422 



Vol. 21, 1909 823 + xvi 54 109 



Vol. 22, 1910 747 + xii 31 66 



Vol. 23, 1911 758 + xvi 43 44 



Vol. 24. 1912 737 + xviii 36 60 



Vol. 25. 1913 802 + xviii 28 47 



