6 DONS. — SÉANCES DES 10 ET 24 JANVIER 1898 



— Whitman Cross : An analcite-basalt from Colorado, p. 684-693. — R. Aldworth- 

 Daly : Sludies on the so called porphyritic Gneiss of New Hampshire, p. 694-722 

 (2 flg.). — J.-E Edward Spurr : The measurement of faults, p. 723-729. — H.-M. Ban- 

 nister : The drift and Géologie Time, p. 730-743. — St. Weller : On the présence of 

 problematic fossil Medusae in the Niagara Limestone of N. Illinois, p. 744-751 (8 flg.). 



Minneapolis. The American Geologist. XX, 2-5, 1897. 



Fr.-B. Taylor : Notes on the abandonned Beaches of the N. Coast of Lake Supe- 

 rior, p. 111-128 (pi. 5). - Ralph S. Tarr : The Margin of the Cornell Glacier, p. 139- 

 156 (pi. 6-12). — H -P. Cushing : On Hypersthene Andésite from M. Edgecumbe 

 (Alaska), p. 156-159. — A.-R. Crook : Some Geological Causes of the Scenery of 

 Yellostowne National Park, p. 159-167. — C.-R. Keyes : Dual character of the Kin- 

 derhook Fauna, p. 167-176. — S.-J. Pierce : The Preglacial Cuyahoga Valley, p. 176- 

 181 (pi. 13). — H.-W. Fairbanks : Oscillations of the Coast of California during the 

 Pliocène and Pleislocene, p. 213-246 (pi. 15). — O.-H. Hershey : The Physiographic 

 Development of the Upper Mississipi Valley, p. 246-268 (l flg.). — F.-W Sardeson : 

 On Streptelasma profondnm Owen, Streptelasma corniculum Hall, p. 277-293 

 (pi. 16-17). — A.-N Winchel : Tht- Koochiching Granité, p. 293-299. — J.-P. Kim- 

 ball : On the Magnetite Belt at Cranberry, p. 299-313 (pi. 18). — J.-B. Hatcher : 

 Diceralherium proavitum, p. 313-316 (pi. 19). — H. Winchell : The Fisher Météo- 

 rite, p. 316-318. 



New-York. Add. of the — Ac. of Se. IX, 6-12, 1897. 

 Philadelphie. Proc. Ac. of Nat. Se. 1897, Avril-Sept. 



— Journ. Ac. of Nat. Se. (2), XI, 1, 1897. 



Cl.-B. Moore : Certain aborigenal Mounds of the Georgia Coast, p. 5-138 (79 flg., 

 16 pi.). 



— Proc. of the Am. Philos. Soc. XXXV, Dec. 1896, N° 153, 1897. 



— XXXVI, Mai 1897, N° 155, 1897. 



Fr. Hamilton-Cushing : Exploration of Ancient Key Dweller's Remains of the Gulf 

 Coast af Florida, p. 329-432 (pi. 25-35). — G. -H. Ashley : Geology of the Paleozoic 

 Area of Arkansas South of the Novaculite Région, p. 217-318 (36 flg.). 



Washington. U. S. Geol. Surv. Monographs. 



No XXV. J Strong-Newberry : The Flora of the Amboy Clays, in-4°, 260 p. (58 pi ), 



1895. — N° XXVI. Warren-Upham : The glacial Lake Agassiz, ih-4°, xxiv-658 p. 

 (38 pi.), 1895. — N" XXVII. S. Franklin-Emmons, Whitman-Cross and G. Homans 

 Eldridge : Geology of the Denver Basin in Colorado, in-4°, xxi-556 p. (31 pi., 102 flg.), 



1896. — N° XXVI11. Ch.-R. van Hise and W. Shirley-Bayley : The Marquette Iron- 

 Bearing District of Michigan including a Chapter on the Republic Trough by H. 

 Lloyd-Smith, in-4°, xxvu-608 p. (35 pi.). — Atlas, in-f°, 39 f. 



— U. S. Geol. Surv. 17° Ann. Rep. 1895-96, Part I, Director's 

 Report and other Papers. 1896, in-4°, 1076 p., 13 cartes. 



Beport of the Director, p. 1-200 (1 carte). — H. Gannet : Magnetic Declination in 

 the U. S., p. 207-440 (3 pi., 1 carte). — J. Silas-Diller : A Geologic:-il Reconnaissance 

 in NW. Oregon, p. 441-520 (pi. 4 16, flg. 4-17). — H. W. Turner : Furlher contri- 

 butions to the Geology of the Sierra-Nevada, p. 521-762 (pi. 17-47, flg. 18-22). — 



