308 



iScien tijic In telhgen ce. 



H. C. Hovey: The region of the Causses in Southern France, with maps and 

 stereopticon views. 



C. H. Richardson: The Washington limestone in Vermont. 



Warren Upiiam: Fluctuations of North American glaciation shown by inter- 

 glacial soils and fossiliferous deposits. Time of erosion of the Upper Mississippi. 

 Minnesota, and St. Croix Valleys. 



G. Frederick Wright: Supposed " Corduroy Road " of Late Glacial age, at 

 Amboy, Ohio. The age of Niagara Falls as indicated by the erosion at the mouth 

 of the gorge. . A recently discovered cave of celestite crystals .it Put-in-Bay, Ohio. 



M. A. Veeder: Changes in the drainage system in the vicinity of Lake 

 Ontario during the Glacial period. 



John Crawford: Recent severe seismic movements in Nicaragua. 



J. W. Spencer: Another episode in the history of Niagara River. Evidence 

 of recent great elevation of New England. 



Benjamin Howard : Geography and resources of the Siberian Island of Sak- 

 halin. 



G. F. Matthew : The oldest Palaeozoic fauna. 



N. H. Winchell: The oldest known rock. The origin of the Archean 

 igneous rocks. 



C. R. Van Hise: Joints in rocks. 



E. 0. Hovey: Notes o,n some European museums. 



W. 0. Crosby : History of the Blue Hills complex. 



Amadeus W. Grabau: PaLieontology of the Cambrian terranes of the Boston 

 basin. 



E. M. Souvielle : Diamonds in meteorites. 



Harry F. Reid : The periodic variations of glaciers. 



(Papers presented by the Geological Society.) 



Arthur Hollick: Some features of the drift on Staten Island, N. Y. 



N. S. Shaler: Loess deposits of Montana. Spacing of rivers with reference 

 to the hypothesis of base-leveling. 



H. L. Fairchild : Glacial waters in the Finger Lake region of New York. 



H. F. Reid: The stratification of glaciers. 



Warren Upham: Evidence of epeirogenic movements causing and terminat- 

 ing the ice age. 



G. Frederick Wright: Clayey bands of the glacial delta of the Cuyahoga 

 River at Cleveland, 0. 



H. Foster Bain and A. T. Leonard: The Middle Coal Measures of the 

 western interior coal field. 



Charles R. Keyes : The principal Missourian section. 



H. B. Patton: Tourmaline and tourmaline schists from Belcher Hill, Jefferson 

 Co., Colorado. 



A. C. Lane: Magmatic differentiation in the rocks of the copper-bearing 

 series. Note on a method of stream capture. 



C. R. Van Hise: The volume relations of original and secondary minerals in 

 rocks. 



W. G. Tight : The development of the Ohio river. 



F. P. Gulliver: Classification of coastal forms. Dissection of the Ural 

 Mountains. Note ou Monadnock. 



C. Willard Hayes: The Continental divide in Nicaragua. 



(Papers presented by the National Geographic Society.) 



Marcus Baker: The Venezuela-British-Guiana boundary dispute. 

 John Hyde: Considerations governing recent movements of population. 

 Gifford Pinchot : Some new lines of work in Government forestry. 

 W. J. McGee : The development of the United States. 

 M. S. W. Jefferson : Atlantic estuarine tides. 

 Henry Gannett : The forestry conditions of Washington state. 

 Charles H. Fitch : The five civilized tribes and the topographic survey of 

 Indian territory. 



R. U. Goode : Bitter Root forest reserve. 



