TRANSACTIONS 



AMERICAN PHILOSOPHICAL SOCIETY. 



HELD AT PHILADELPHIA, 



FOR PROMOTING USEFUL KNOWLEDGE. 



VOL. XIII.— NEW SERIES. 



PART III. 



PAGE 



Article VIII. — On the Hydrology of the Basin of the River Saint Lawrence. By Thomas Evans 



Blackwell, M. I. C. E. (with two plates, IV, V), 249 



Article IX. — Notes on a Map intended to Illustrate Five Types of Earth-surf ace, in the United 



States, between Cincinnati and. the Atlantic. By J. P. Lesley (with a map, VI), .... 307 



Article X. — On Fucoides in the Coal Formations. By Leo Lesquereux (with a plate, VII), . . 313 



Article XI. — Notes upon the Geology of some portions of Minnesota, from St. Paul to the Western, 



Part of the State. By James //all, 329 



Article XII. — A Contribution to the Knowledge of the Flora of the Coal Period in the United 



Stales. By Horatio 0. Wood, Jr., M.D. (with two plates, VIII, IX), 341 



Article XIII. — Synopsis of the Cyprinidce of Pennsylvania. By Prof . Edward I). Cope (with 



four plates, X, XI, XII, XIII), 351 



Supplement on some New Species of American and African Fishes, 400 



Article XIV.— On Species of Forest Plants from the Tertiary of the State of Mississippi. By 

 Leo .Lesquereux (with ton plates, X IV, XV, XVI, XVII, XVIII, XIX, XX, XXI, XXII, 

 XXIII), 411 



Article XV. — On the Phalangia and I'cdipaJpi collected by Professor Orton in Western South % 

 America, with the Description of New African Species. By IP. C. Wood, Jr., ALB. (with a 

 plate, XXIV), 4:;, r ) 



Article XVI. — Remarks on Thirteen New Species of Crinoidea from the Palceosoic Bocks of Indi- 

 ana, Kentucky, and Ohio, and a, Description of certain Peculiarities in the Structure of the 

 Columns of Dolatocrinus, and their Attachment to the Body of the Animal. By Sidney S. 

 Lyon (With two plates, XXV, XXVI), 443 



|) i) 1 1 a H e I P i) t a : 

 PUBLISHED BY THE SOCIETY, 



AND FOE SALE l!V 



HENRY (.!. LEA, PHILADELPHIA; 

 N, TRLISNER & CO., 60 PATERNOSTER ROW, LONDON, 



PUT NT ED BY SHERMAN & CO, 



1889, 



k 



