Miscellaneous Intelligence. 



447 



Some Points in the Geology of the Upper Mississippi Valley ; by James Hall. 

 On tfle Plan of Development in the Geological History of North America ; by 

 James D. Dana. 



On the Geological Position of the Fossil Elephant of North America ; by J. W. 

 Foster. 



On the Geology of the Broadtop Coal Region in Central Pennsylvania ; by J. P. 

 Lesley. 



On the Orography of the western portion of the United States, with a map ; by 

 William P. Blake. 



Description of a Fossil Shell found in the Sandstone of the Connecticut River 

 Valley ; by E. Hitchcock. 



Sketch of the Progress of Geology in Alabama ; by Michael Tuomey. 



."Notice of a Remarkable Instance of inclined stratification in Warren county, K 

 Y. ; by J. D. Whitney. 



On the Deposits of the fossil fishes and reptiles of Linton, Ohio ; by J. S. New- 

 berry. 



On the Organization of Acanthocephala ; by Dr. Weinland. 

 On Animal Development ; by Louis Agassiz. 



On some Euphotides, and other felspathic rocks ; by T. Sterry Hunt. 

 On the Serpentines of the Green Mountains, and some of tbeir associates; by T. 

 Sterry Hunt. 



Exhibition of Fossil Fish Remains from the Carboniferous limestones and Coal 

 measures of Illinois ; by A. H. Worthen. 



Generalities of the Geology of Oregon and Northern California ; by J. S. New- 

 berry. 



On the Carboniferous limestone of the Mississippi Valley; by James Hall. 



Geological Observations on the Philo-volcanic Slope of the Mountains of Sonora 

 near the Boundary, made under the direction of W. H. Emory, U. S. Commissioner ; 

 by Arthur Schott. 



Exhibition of Fossil Cetacea from Maine ; by A. C. Hamlin. 



On Fossil Wood with structure, found by Sir W. E. Logan in the Devonian rocks 

 of Gaspe ; by J. W. Dawson. 



Oti the Agency of the Gulf-Stream in the formation of the Peninsula and Keys 

 of Florida ; by Joseph Leconte. 



Observations on the Geology of the Region between the Mississippi and the Pa- 

 cific Ocean, with a Map ; by Wm. P. Blake. 



Review of a Portion of the recent Geological Map of the United States, pub- 

 lished in Europe by Jules Marcou ; by Wm. P. Plake. 



Some Observations on the Coal fields of Illinois ; by R. P. Stevens. 



Mud-nests of the Tadpole, recent and fossil ; by Edward Hitchcock. 



Origin and Age of the red loam of Alabama, with a notice of some loess depos- 

 its; by A. Winchell. 



So-called Human Petrifactions, by Trail Green ; read by H. J. Coffin. 



On the influence of light and water on the direction of the plumule and radicle 

 in the germination of plants; by James Dascomb. 



Viviparity and Ovipanty ; by Louis Agassiz. 



On the Absence of trees from prairies ; by Daniel Vaughan. 



On the Classification of Turtles ; by Louis Agassiz. 



On the Relation of the Post-Permian Fishes of Connecticut and other Atlantic 

 States, to the Triassic and Jurassic periods; by J. H. Redfield and W. C. Redfield. 



On the Results of Collections of fossils during a period of ten years in the lime- 

 stones of the Lower Helderberg ; by James Hall. 



The Metamorphic action of silicious thermal springs ; by J. Si Newberry. 



The Tertiary Flora of the Upper Missouri ; by J. S. Newberry. 



Statistics of some Artesian Wells of Alabama ; by A. Winchell. 



III. Ethnology. 



On the Names of Animals, with reference to Ethnology ; by Dr. Weinland. 

 On the Relations between Chinese and Indo-European Languages ; by S. S. 

 Haldeman. 



