DONS. — SÉANCE DU 6 NOVEMBRE 1899 57 



of etch-figures. The Amphiboles and Pyroxenes, p. 370-430, 4 pi. — R. Daly : On a 

 new variety of Hornblende, p. 432-437. 



Chicago. Journal of Geology. VII, 4-5, Mai-Août 1899. 



C. Keyes: American hornotaxial équivalents of the original Permian, p. 321-341. 

 — C.-S. Prosser: Corrélation of Carboniferous rocks of Nebraska with those of 

 Kansas, p. 342-356. — W. Knight:The Nebraska Permian, p. 357-374. — W. Hobbs : 

 The Diamondfield of the Great Lakes, p. 375-388. — H. Turner : Replacement ore 

 deposits in the Sierra Nevada, p. 389-400. — A. Coleman : A new Analcite rock 

 from Lake Superior, p. 431-436. — Corundiferous ncphelinesyénite from E. Ontario, 

 p. 437-444. — J. Newsone : The efïect of sea barrier upon ultimate drainage, p. 

 445-451. — Myron Fuller: Season and time éléments in sand plain formation, p. 452- 

 462. — H. Wasington : Petrographical province of Essex county, p. 463-482. — Stuart- 

 Wellen : A peculiar Devonian deposit in N. E. Illinois, p. 483-488. — C. Eastman : 

 Descriptions of new species of Diplodus teeth from the devonian of N. E. Illinois, 

 p. 489-493. — J.-A. Udden : Dipterus in the American middle devonian, p. 494-495. 



— Ac. of Se. Bull. II, 2. 



Franck Leverett : The pleistocene features and deposits of the Chicago area, p. 

 1-86, 8 pi. 



Dés Moines . Proc. of the Iowa Academy of Se. VI, 1898. 



I. Udden : The Pine creek conglomerate, p. 54-56. — M. Fultz : The Rurlington 

 artesian well, p. 70-74. — F. Leverett: The lowerrtpids of the Mississipi River, 

 p. 74-92. — M. Witter : Observations on the geology of steam-boat springs, Colo- 

 rado, p. 93-97. — R. Shimek : The distribution of loess fossils, p. 98 113. — S. 

 Reyer : Ruried loess in stony counly, p. 117-121. — J. Todd : New light on the 

 d'rift in S. Dakota, p 122-130. — R. Keyes: Some physical aspects of gênerai 

 geological corrélation, p. 131-154. 



Granville. Bull, of the Scientific Laboratories of Denison Univ. 

 XI, 4-8. 



C. Herrick : Papers of the geology of New Mexico, p. 75-92, pi. 9-12. — The 

 Geology of the san Pedro and the Albuquerque districts, p. 93-166, pi. 13. — H.- 

 J. Davis : Modification in the Jonathan Creek drainage Rasin, p. 165-173, pi. 25-26. 



Minneapolis. The Am. Geologist, XXIII, 4-5, Avril-Mai 1899. 



W.-M. Davis : The Peneplain, p. 207-239, pi. 7. — G.-E. Ladd : Notes on the 

 cretaceous and associa ted clays of Middle Georgia, p. 240-250. — C.-H. Hichock : 

 Ancient Glacial Action in Australasia, p. 252-256. — F. Rascorn : On some dikes 

 in the Vicinity of Johns Ray, Marne, p, 275-280, pi. 8-11. — Otto Nordenskjold : 

 Preliminary notes on the surface geology of the Yukon territory, p. 288-297. — 

 C.-R, Keyes : The Missourian Séries of the Carboniferous, p, 298-316, — Warren 

 Upham : Modified drift and the Champlain epoch, p. 319-323. 



New-Haven. The Amer. Journ. of Se. VIII, 43-46, Juillet-Oct. 1899. 



E.-H. Mudge : Mouth of Grand River, p. 31-34. — H.-S. Williams : Devonian 

 Interval in N. Arkansas, p. 139-152. — A. -H. Phillips : Mineralogical Struc- 

 ture and Chemical Composition of the Trap of Rocky Hill., p. 267-285 — N.-S. 

 Washington: Analyses of Italian Volcanic Rocks, p. 286-294. 



New-York Science. IX-X, 233-252. 



J. Whiteades : The Devonian system in Canada, p. 402-412, p. 430-437. 



