15 



Moutlily Reports of tlie Department of Agriciilture 

 for tlie year 1873. Washington 1873. 8. 



— desgl. — for the year 1874. Washington 1875. 8. 

 Annual Report of the trustees of the Museum of com- 



parative Zoology at the Harward- College in 

 Cambridge etc. for 1872. Boston 1873. 8. 



— desgl. — for 1873. Boston 1874. 8. 



Bulletin of the Es sex Institute. Vol. VI. 1874. Nr. 



1 — 12. Salem, Mass. 1875. 8. 

 The Transactions of the Academy of Science of St. Louis. 



Vol. III. Nr. 2. St. Louis 1875. 8. 

 Archives of Science of the Orleans County Society of 



natural Sciences. Vol. I. Nr. VI. VII. Newport, Or- 

 leans County, Vermont. 8. 

 Bulletin of the Buffalo Society of natural Sciences. 



Vol. L Nr. 1—4. Buffalo 1873-74. 8. 



Vol. II. Nr. 1—4. Buffalo 1874—75. 8. 

 Report of the Commissioner of Agriculture for the year 1872. 



Washington 1874. 8. 



— desgl. — for the year 1873. Washington 1874. 8. 



Report of the ü. S. geological Survey etc. Vol. VI. Washing- 

 ton 1874. containing Prof. Leo Lesquereux Contributions 

 to the Fossil Flora of the Western Territories. 4. 



Lists of Elevations principally in that portion of the U. S. 

 west of the Mississippi River. 3. Ed. Washington 1875. 8. 



Catalogue of the publicat. of the U. S. geolog. survey of the 

 territories. Washington 1874. 8. 



An Essay concerning important physical features exhibited 

 in the Valley of the Minnesota River and upon their 

 signification by G. K. Warren. Washington 1874. 8. 



United States Exploriug Expedition durin g the years 1838. 

 1839. 1840. 1841. 1842. under the command of Charles 

 Wilkes, U. S. N. — Vol. XV. : The geograpical distribution 

 of animals and plants by Charles Pickering, M. D. — 

 Boston & London 1874. gr. 4. 



