508 DONS. — DU 19 JUIN AU 19 DÉCEMBRE 1892 



Halifax. — The Proceedings and Transactions of the Nova Scotian 

 Institute of Science. Session 1890-91, 2 e série, vol. I, part. I. 



Ketchum : Experiments on Nova Scotian Buildung stone. — . Bailey : Notes on the 

 Surface Geology of South-Western Nova Scotia — Gilpin : Analyses of Nova Scotia 

 Coals and other Minerais. 



Hamilton. — Journal and Proceedings of the Hamilton Associa- 

 tion for Session 1891-92, n° VIII. 



Grant : Notes on Fossil Silurian Plants, Hamilton. — Id. : Notes on the Niagara 

 Falls Rocltr. — Id. : Geological Notes on Mari Lake, Anlicosti. — ld. : Fossil Plants, 

 Hamilton. — Id. : Mesozoic Reptiles, Hâve they Living Représentations ? 



Minneapolis. — The American Geologist. Vol IX, 1892, n° 4. 



Gresley : A Hitherto undescribed Phenomenon in Hématite. — Bronn : The Lower 

 Coal Measures of Monongalia and Preston Counties. — Whitûeld : Discovery of the 

 Second example of the Macrouran Decapod Crustacean, Palaeopalaemon Newberryi. 

 — Mellard Reade : Physic of Mountain Building. — de Geer : Isohases of Post Glacial 

 Elévation. — J. Eyerman : Bihliography of North American Vertébrale Palaeonto- 

 logyfor the Year 1891. 



N°5. 



0. Guthrie : On Experiment designed to show the Upward Movement of sub. 

 glacial Débris. — Winchell, Ch. Schuchert : Preliminary Descriptions of the New 

 Brachiopoda from the Trenton and Hudson River Groups of Minnesota. — C. Russel : 

 Climatic Changes indicated by the Glaciers of North America. 



N°6. 



Dumble and Cummins : The Double Mountain Section. — H. Winchell : The 

 Kawishinin Agglomerate at Ely, Minn. — Wood : Gold in Placers. — W. Vogdes : 

 On the North American Species of the Genus Agnostus. — Todd : Strialion of 

 Rocks by River Ice. 



N°7. 



Claypole:A New gigantic Placoderm from Ohio. — Grant : The stratigraphie 

 Position of the Ogishke Conglomerate. — F. Leverett : On the Signiiiance of the 

 White Clays of the Ohio Région. — S. Tarr : The relation of secular Decay of Rocks 

 to the Formation of Sédiments. — Hobbs : Notes on some Pseudomorphis from the 

 Taconic Région. — Rominger: On the Occurence of typical Chaetetes in the Devonian 

 Strata at the Falls of the Ohio, and likenise in the analogous Beds of the Eifel, in 

 Germany. 



N°8. 



H. Winchell : On approximate interglacial Chronometer, 3 pi. — Brumell : Notes 

 on Manganèse in Canada. — Ulrich : New Lamellibranchiata. — T. Hill : The 

 Géologie Evolution of the Non montainous Topography of the Texas Région. 



— The Geological and Natural History Survey of Minnesota. 

 9 y annual Report. 1890. 



