DONS. — SÉANCE DU 9 NOVEMBRE 1896 75 



Becker : Schistosity and Slaly Cleavage, pp. 429-448. 



Van Hise : Déformation of Rocks, pp. 449-483 et 593-629. 



Davis : Large Scale JYIaps as geographical Illustrations, pp. 484-513. 



O.-A. Derby : Décomposition ol Rocks in Brazil, pp. 529-540. 



H. -S. Washington :'Italian Petrological Sketches ; I, The Bolsena région, 

 pp. 541-566. 



Campbell : Drainage modifications and their interprétation, pp. 567-581. 



Chamberlin : Glacial Studies in Greenland, pp. 582-592, fig. 



Campbell : Drainage modifications and their interprétation, part II : criterici for 

 determining Stream modifications, pp. 657 678. 



Poisson : The Monchiquites or analcite group of igneous Rocks, pp. 679-690. m 



Woodwarth et Marbut : The Queen's River Moraine in Rhode Island, pp. 691-703, 

 7 fig. 



Merrill : The Principles of Rock Weathering, pp. 704-724. 



Harrisburg. — Geological Survey of Pensylvania. Summary final 

 Report 1895, vol. III, parties 1 et 2 (avec un atlas), et gênerai Index 

 of the final Summary Report of the Geology of Pennsylvania. 



Ithaca. — Rulletin of American Paleontology. 1896, vol. I, N° 4. 



Harris : The Midway Stage, 357 p., 15 pi. 



Minneapolis. — The American Geologist. 1896, vol. XVII, N os 4-6, 

 et vol. XVIII, N° 1. 

 Vol. XVII. 



S. Calvin : Apparent Anomalies of the Postville Well, pp. 195-202. 



Crosby : Englacial drift, pp. 203-233. 



Winchell : Further Examination of the Fisher Météorite, pp. 234-237, fig. 



Eyerman : The genus Temnacyon and a new spccies thereof and the new genus 

 Hypotemnodon, from the John Day Miocène of Oregon, pp. 267-286, 1 pi. 



O.-H. Hershey : Early Pleistocene deposits of Northern Illinois, pp. 287-302. 



Beecher : On a supposed discovery of the antennae of Trilobites by Linnaeus in 

 1759, pp. 303-305, fig. 



Czyskowski : The Déposition of Golds in South Africa, pp. 306-323. 



Todd : Log-like Concrétions and fossil Shores, pp. 347-348, pi. 



Claypole : The Ancestry of the Upper devonian Placoderms of Ohio, pp. 349-359. 



Beecher : On the Validity of the family Bohemillidae Barrande, pp. 360-361, fig. 



Lacroix : The volcanic Tufs of Segalas (Ariège). Conclusions to be drawn from 

 their study on the subject of the origin of the Ophites, pp. 362-363. 



Wilson : Frozen Streams of the Iovva drift Border, pp. 364-370. 



W. Upham : Sublacustrine Till, pp. 371-374. 



W. Turner : Notice of some syenitic Bocks from California, pp. 375-388. i 



— Vol. XVIII. 



Gresley : Observations regarding the occurrence of Anthracite, with a new theory 

 of its origin, pp. 1-21, pi. 

 C.-A. Keyes : Sériai Nomenclature of the Carboniferous, pp. 22-27. 

 Matthew : Notes on cambrian Faunas ; the genus Microdiscus, pp. 28-30. 



