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PUBLICACIONES RECIBIDAS DESDE í,° DE JULIO DE 1907 



(Continuación.) 



Royal Geograpliical Society —The Geographical Journal. — Vol XXX, núme- 

 ro 5, November, 1907. — London. 



Museum of Comparative Zoology at Harvard College.— Bulletin of the... 

 Vol LI., núm. 5. — Cambridge, Mass., U. S. A. October, 1907. 



Hollick (Arthur). — United States Gcological Survey, Charles D. Walcott, 

 Director. — The Cretaceous Flora of Southern New-York and Ne\v-En- 

 gland, By... - Washington, igo6. 



Departiment of the Interior.— United States Geological Survey Charles 

 D. Walcott, Director. — Bulletin, No. 279 . — Series: A, Economie Geo 

 logy, 67; B, Descriptive Geology. 83.— Economie Geology of the Kittan- 

 ning and Rural Valley Quadrangles, Pennsylvania, By Charles Butts.— 

 Washington, 1906. 



— Bulletin, No. 286. Series: A, Economie Geology, 74; B, Descriptive 

 Geology, 93. — Economie Geology of the Reaver Quadrangle, Pennsylva- 

 nia, By Lester H. Woolsey. — Washington, 1906. 



— Bulletin No. 297. Series: A, Economie Geology, 84 ; B , Descriptive 

 Geology, 104. — The Yampa Coal Field, Rouss County, Colorado, By 

 N. M., Fenneman and Hogt, S. Gale With a Chapter on the Character 

 and use of the Yampa Ccals, By Marios R. Campbell.— Washington, 1906. 



— Bulletin, No. 303. Series: A, Economie Geology 87; B, Descriptive 

 Geology, 106. — Preliminary Account of Goldfield, Bullfrsg, and other 

 mining Districts ¡n Southern Nevada. — By Frederiek Leslie Ransome 

 with Notes on the Manhattan District, By G. H. Garrey and W. H. 

 Emmons. — Washington, 1907. 



— Bulletin, No. 306. Series: A, Descriptive Geology, 109; F, Geogra- 

 phy, 54. — Rate of Recession of Niágara Falls By G. K. Gilbert, Acom- 

 panied by a Report on the Survey of the Crest By W. Carvel Hall.— 

 ^^'ashington, 1907. 



— Bulletin, No. 307. Series F, Geography, 50. — Manual of Topographie 

 Methods By Henry Gannett.— Washington, 1906. 



— Bulletin, No. 3:0. Serie F. Geography, 57. — Results of Primary Trian- 

 gulation and Primary Traverse fiscal year, 1805-1906, By Samuel S. Gan 

 nett. — Washington, 1907. 



— Bulletin, No. 305. Serie E, Chemistry and Physics, 49.— The Analysis 

 of Silicate and Carbonate Rochs By W. F. Hillebrand.— Washington, 



1907. 



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