228 Cmcinnati Society of Natural History. 



United States Geological Survey. 



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Bulletin, Nos. 30 to 33. 



Mineral Resources of United States, 1885. 



Monographs. 



No. X, Dinocerata. Marsh. 



No. XI, Geological History of Lake Lahontan. Russell. 



No. XII, Geology and Mining Industry of Leadville. 

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 United States National Museum. 



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 Vol. X, pp. I to 448. 

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Astronomical Observations, 1883. 

 Vasser Brothers Institute. Poughkeepsie. 



Transactions, Vol. IV, 1885, 1887. 

 Yerein fur Vaterlandische Naturkunde in Wurttemberg. 



Jahreshefte, 1880 to 1887. 

 Wagner Free Institute of Science. Philadelphia. 



Transactions, Vol. I. 

 Westfalischen Provinzial Verein fur Wissenschaft und Kunst 



Jahresbericht, 1885, 1886. 

 Zoological Society of Philadelphia. 



Annual Report of Directors. 



By Purchase. 

 Astronomical Journal. Vol. VII, Nos. 5 to 2a. 

 Conchologists Exchange. Vol. II, Nos. i to 5. 

 Morphology and Biology of the Fungi Mycetozva and Bacteria. 

 Du Bary. 



