DONS FAITS A LA SOCIÉTÉ. 
9 
2° Vôrlaufiger Bericht iiber krys ta U in isch e Silikatgesteine 
des Fassathales und benachbarter Gegenden südtyrols , in-8, 
27.; Stuttgart, 1864. 
De la part de M. A. Winchell : 
1° First biennal of the progress of the geological Survey of 
Michigan , embracing observations on the geology , zoology and 
botany of the lower peninsula, in-8, 339 p.; Lansing, 1861, 
chez Hosmer et Kerr; 
2° Notice of the rocks lying between the carboniferous 
limestone of the lower peninsula of Michigan and the limestones 
of the Hamilton group , with descriptions of sotne cephalopods 
supposed to be new to science , in-8, 17 p.*, New Haven, 1862, 
chez E. Hayes; 
3° Descriptions of fossils from the Marshall and Huron 
groups of Michigan, in-8, 26 p. (405-430), 1862; 
4° On the salifèrous rocks and sait springs of Michigan , 
in-8, 5 p. (307-311), 1862; 
5° On the identification of the Cattskill red standstone 
group with the Chemung , in-8, 2 p. (61-62), 1862; 
6° Description of elephanline molars in the muséum of the 
University , in-8, 3 p., 1863; 
7° Fossils from the Potsdam of Wisconsin and lake 
Superior , in-8, 8 p. (226-232), 1863; 
8° Descriptions of fossils from the yellow sandstones lying 
beneath the « Burlington limestone », at Burlington (Jowa), 
in-8, 32 p., 1863; 
9° Sait manufacture of the Saginaw Valley {Michigan), 
in-8°, 15 p., 1862. 
De la part de M. A. Bouvier : 
1° Nouveau système des mondes. —- Périodicité des déluges 
universels ; date du dernier , époque du nouveau , in-8, 126 p., 
1 pl.; Lyon, 1862 ; 
2° Prochain retour des déluges universels établi sur des 
preuves certaines , in-8, 108 p.; Lyon, 1864. 
De la part de M. de Gaumont, Coup d’œil sur la constitution 
tellurique de Falaise , in-8, 21 p.; Caen, 1864, chez 
A. Hardel. 
De la part de M. A. L. Donnadieu, Tableau de la classifica - 
