10 LISTE DES OUVRAGES REÇUS EN DON OU EN ÉCHANGE 



mil (R. T.). — Notes on the Texas-New Mexican Région. In-8", 

 16 p., 1891 (Extr. Bull. Geol. Soc. of America). 



— The Géologie Evolution of the non-mountainous Topography 

 of the Texas Région. An Introduction to the Study of the Great 

 Plains. In-8% 11 p. Minneapolis, 1892 (Extr. American Geologist). 



— The Deep Artesian Boring at Galveston, Texas. In-8", 4 p. 

 New Haven, 1892 (Ext. Amer. Journal of Se). 



— The Gretaceous Formations of Mexico and their Relations to 

 North American Géographie Development. In-8% 18 p. New-Haven, 

 1893 (Idem). 



— The occurrence of Hématite and Martite Iron-Ores in Mexico. 

 With notes on the associated Igneous Rocks by W. Cross. In-8'', 10 

 p. New-Haven, 1893 (Idem). 



— Clay Materials of the United States. In-8°, 56 p. Washington, 

 1893 (Extr. Minerai Resources of the U. S. 1891). 



— Paleontology of the Gretaceous formation of Texas. The Inver- 

 tebrate Paleontology of the Trinity division ; the Invertebrate 

 fossile of the Caprina Limestone beds. 2 fasc. in-8", 10 pi. Washing- 

 ton, 1893 (Extr. Proc. Philosophical Soc. Washington). 



Hovelacque (M.). — Recherches sur le Lepidodendron selagi- 

 noides. 1 vol. in-4°, 165 p. 7 pi. Caen, 1892 (Extr. Mém. Soc. Linn. de 

 Normandie). 



Howorth (H. H.). — The Glacial Nightmare and the Flood. 

 2 vol. in-8°. Londres, 1893. 



Jentzsch (A.). — Bericht ûber die Verwaltung des Provinzial- 

 museums. In-4o, 15 p., 4 pi. Kœnigsberg, 1892 (Extr. Schriften 

 Physik. — œkon. Gesellschaft). 



John (C. V.). — Natûrliches Vorkommen von Humussâure in 

 dem Falkenauer Kohlenbecken. In-8°, 4 p. Vienne. 1891 (Extr. 

 Verhandl. k. k. Geol. Reichsanstalt). 



— Ueber den Moldavit oder Bouteillenstein von Radomilic in 

 Bôhmen. In 8°, 4 p., Vienne, 1892 (Idem). 



— Ueber die chemische Zurammensetzung der sogenannten 

 Taraspits von Vulpera bei Tarasp in der Schweiz und der Miemite 

 iiberhaupt. In-8", 3 p. Vienne. 1891 (Idem). 



