DONS. — DU 19 JUIN AU 19 DÉCEMBRE 1892 509 



Boiïcky's micro-chemical method of examination of minerais and rocks, 2 pi. 

 (Translation). — Kloss : Geognostic and geographical Observations in the State of 

 Minnesota (Translation). — Bayley : Notes on the Petrography and Geology of the 

 Région of Akeley lake. — Ullrich : Lamellibranchs of the Lower Silurian. — Publi- 

 cations of the Geological and Natural History Survey of Minnesota. 



New Haven. — The American Journal of Science. 3 e série, 

 vol. XLIV. 1892. 

 N° 259. 



Cross ; Post-Laramie Deposits of Colorado. — Walcott : Notes on the Cambrian 

 Rocks of Virginia and the Southern Appalachians. — Ludeking : Synthesis of the 

 Minerais Crocoite and Phœnicochroite. — S. Tarr : A wint nith respect to the Origin 

 of Terraces in Glaciated Régions. 



N° 260. 



Lindgren : Gold Deposit at Pine Ilill. — Beecher : Development of the Brachiopoda. 

 Part II, 1 pi. — Dana : Additional Observations on the Jura-Trias trap of the New- 

 Haven Région. — Marsh : Notes on Mesozoic Vertebrate Fossils, 4 pi. 



N° 261. 



Bishop : Kilauea. in April 1892. — Barlow : Relations of the Laurentian and 

 Huronian of the North Side of Lake Huron. 



N° 262. 



Diller : Mica Peridotite from Kentucky. — Lincoln : Glaciation in the Finger-Lake 

 région of New-York. — Marsh : Restorations of Claosaurus and Ceratosaurus, 2 pi. 

 — Id. : Restoration of Mastodon Americanus, Cuvier. 



N° 263. 



Wright : Unity of the Glacial Epoch. — Penfield : Contribution to Mineralogy, 

 n° 54. — Wood : A Note on the Cretaceous of Northwestern Montana. — Beecker : 

 Notice of a new Lower Oriskany Fauna in Columbia County, N. York. 



New-York. — The American Muséum of Natural History ; Annual 

 Report of the Président, 1891. 



— Transactions of the New-York Academy of Sciences. Vol. XI, 

 1891-92, n os 1-8. 



Kemp and Marsters : The Trap Dikes in the Lake Champlain Valley. — Martin : 

 The International Geological Congress. — Kunz : Origin of Garnets and associated 

 Minerais in the Garnet District of Bohemia and Saxony. — H, Bies : The clays of 

 the Hudson River Valley. — Vulte and Ward : The natural Dyesas applied to Wool. 



Philadelphie. — Geological Survey of Pensylvania. 



— Atlas Southern Anthracite Field. 1891, parties IVB, V et VI. 



— Proceedings of the American Philosophical Society. Vol. XX, 

 n«» 137 et 138, 1892. 



