16 DONS. — SÉANCES DES 6 ET 20 FEVRIER 1899 



Chili. — Santiago. Actes Soc. Se. du Chili. VII, 5, 1897 ; VIII, 

 1-4, 1898. 



1897. Pablo Martens : Anâlisis quimico de las principales aguas minérales de Ch'ile, 

 p. 311-346. — 1898. A. Dugès : Parallèle du crâne des Chevaux et des Anes, p. 77-78. 



Danemark. — Copenhague. Ac. R. des Se. et des Lettres. Bull. 

 1898, 4-5. 



États-Unis. — Chicago. Journal of Geology. VI, 8, Nov.-Déc. 1898. 



G.-K. Gilbert : Bowlder-pavement at Wilson, p. 771-775. — James Perrin Smith : 

 Geographical Relations of the Trias of California, p. 776-786. — Henry S. Washing- 

 ton : The petrographical Province of Essex County Mass. I, p. 787-808. — Charles 

 R. Keyes : The genetic classification of geological Phenomena, p. 809-815. — S.-C. 

 Case : Studies for Students. The Developpment and Geological Relations of the 

 Vertebrates (Part. IV, Aves. Part. V, Mammalia), p. 816-839. — C.-K. Leith : 

 Summaries of Current North American Pre-Cambrian Literature, p. 840-854. 



Minneapolis. The Am. Geologist. XXII, 5, Nov. 1898. 



G.-E. Ladd : Geological Phenomena resulting from the surface tension of water, 

 p. 267-285, pi. 8.— CL. Herrick : Occurence of copper and lead in the San Andréas 

 and Caballo Mountains, p. 285-291. — Warren Upham : Giants Kettles near Chris- 

 tiania and in Lucerne, p. 291-299.— N.-H. Winchell : Origin of the Archean Igneous 

 Rocks, p. 299-310. — E.-W. Claypole : Glacial Théories, Cosmical and Terrestrial, 

 p. 310-315.— F.-W. Sardeson : Intraformational Conglomérâtes in the Galena Séries, 

 p. 315-323, pi. 9. 



New-York. Science. (2), IX, N» 213-214, Févr. 1899. 



H. -F. Osborn : Frontal Horn of Aceratherium incisivum, p. 161-162, pi. 1. — 

 Wm. Rullock Clark : Report concerning the officiai State Rureaus connected with 

 the Johns Hopkins University. The Maryland Geol. Survey, p. 162-169. 



Des Moines. Iowa Geological Survey. VIII, 1897. 



A. -G. Léonard : Geology of Dallas County, p. 51-118, 2 cartes. — Samuel Calvin : 

 Geology of Delaware County, p. 119-199, 1 carte. — Samuel Calvin : Geology of 

 Buchanan County, p. 201-253, 1 carte. — H. -F. Rain : Geology of Decatur County, 

 p. 255-314, 1 carte. — H. -F. Bain : Geology of Plymouth County, p. 315-366, 1 carte. 



— H. -F. Bain : Properties and Tests of Iowa Building stones, p. 367-416. 



Rochester. Bull. Geol. Soc. of America. IX, 1898. 



Herman Le Roy Fairchild : Proceedings of the 9 Meeting, held at Détroit, Michi- 

 gan, p. 1-12. — G.-W. Spencer : Great changes of level in Mexico and the intero- 

 ceanic connections, p. 13-34, pi. 1-5. — W.-S. Gresley : Clayveins vertically inter- 

 secting Coal measures, p. 35-58. — F.-B. Taylor : Origin of the gorge of the Whirl- 

 pool rapids at Niagara, p. 59-84. — Edw. Orton : Geological probabilities as to 

 Petroleum, p. 85-100. — Warren Upham : Niagara gorge and Saint Davids channel, 

 p. 101-110. — Bailey Willis : Drift phenomena of Puget sound, p. 111-162, pi. 6-10. 



— F.-D. Adams : Nodular granité from Pinelake, Ontario, p. 163-172, pi. 11. — E.-C. 

 Quereau : Topography and history of Jamesville lake, New-York, p. 173-182, pi. 12- 

 14. — A. -P. Brigham : Topography and glacial deposits of Mohawk valley, p. 183- 

 210, pi. 15. — R.-W. Elis : Sands and clays of the Ottawa basin, p. 211-222, pi. 16. — 

 A.-P. Coleman : Clastic Huronian rocks of W. Ontario, p. 223-238. — H. -P. Cushing : 



