36 DONS. — SÉANCE DU 6 MAI 19OI 



eisenfùhrenden Gesteinen der Insel Disko, p. 217-248. — K.-J.-V. Steenstrup : 

 Voyage de Disco en 1898, p. 25i-3o6, 10 pi. (résumé en français). Supplément : 

 Un grand panorama en couleurs. 



Espagne. — Madrid. Ann. Soc. Esp. H. N. (2), IX, 1901. 



États-Unis. — Baltimore. Maryland Geol. Surv. AUegany 



Gounty. 



J. Cleveland Abbe : Physiography, p. 27-54. — G. O'Harra : Geology, p. 67- 

 164. — B. Clark, C. O'Harra, R.-R. Rowe, and H. Ries : Minerai resourses, 

 p. 165-195. — C.-W. Dorsey : Soils, p. 195-212. — O.-L. Fassig : Climate, p. 217- 

 23o. — F.-H. Newell : Hydrography, p. 233-253. — L,-A. Bauer : Magnetic 

 declination, p. 253-263. — G.-B. Sudworth : Forest, p. 263-290. — C.-H. Mer- 

 riam and E.-H. Preble : Flora and fauna, p. 291-307. — Accompagné de 3o pi. 

 et d'un atlas de 5 feuilles. 



Berkeley. Bull, of the Dep. of Geology. II, 8, 1901. 

 O.-H. Hershey : The Geology of the central portion of the Isthmus of 

 Panama, p. 231-267. 



Dençer. Bull. Colorado Se. Soc. VII, i, 1901. 



J.-C. Blake : A Mica-andesite of West Sugarloaf Mountain, Boulder Gounty, 

 Colorado, p. i3-36. 



Easton. Proc. Am. Ass. for the Adv. of Se. 49*^ meeting held at 

 New-York, 1900. 



J.-F. Kemp : Precambrian sédiments in the Adirondacks', p. 157-187 (et 

 analyse des mémoires lus aux séances). 



Minneapolis. The Am. Geologist. XXVII, 3, 1901. 



S.-W. Me. Gallie : Some notes on the Trap Dikes of Georgia, p. i33-i34, 3 pi. 

 J.-W. Gregory : The plan of the earth and its causes, p. i34-i47- — E.-R. Cum- 

 mings : Orthothetes minutus, n. sp. from the Salem limestones of Harrods- 

 burg, p. i47-i5o, I pi. — E.-W. Claypole : Notes on petroleum in California, 

 p. i5o-i6o. — W.-P. Blake : Some saKent features in the geology of Arizona, 

 ■with évidences of shollow seas in Paleozoic Time, p. 160-167. — J.-B. Hatcher : 

 The Lake Systems of South Patagonia, p. 167-174, i pi. 



New- York. Am. Mus. ofN. H. Mém. IV, 2, 1901. Bull. XIII, 1900. 



R.-P. Whitfield : Observations on and Descriptions of arctic fossils, p. 19- 

 23, 2 pi. — R.-P. Whitfield : Description of a new Crinoid from Indiana, p. 23- 

 25. — R.-P. Whitfield : Noie on the principal type spécimen of Mosasauriis 

 niaximus Cope, p. 25-3i, 2 pi. — J.-W. Gidley : A new si^ecies of Pleistocene 

 Horse from the Staked Plains of Texas, p. 111-117. — H.-F. Osborn : Phylogeny 

 of the Rhinoceroses of Europe, p. 229-269. — H.-F. Osborn : Oxyaena and 

 Patriofelis restudie as terrestrial Greodonts, p. 269-281, 2 pi. 



— Science. XIII, 327-33o, 1901. 



328 : F.-D. Adams : G.-M. Dawson, p. 56i-563, i pi. 

 Philadelphie. Proc. Ac. of N. S. 3, 1900, 



— Proc. of the Am. Philos. Soc. XXXIX, 164, 1900. 



