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Journal of the Academy of natural science of Philadelphia. 
New series. Vol. IT. Part 4. Philadelphie, 1854; 1 broch. in-8°. 
Proceedings of the Academy of natural sciences of Philadel- 
phia. Vol. VI. Philadelphie, 1854; 1 vol. in-&°. 
Researches upon memerteans and planarians ; by Ch. Girard. 
1. Embryonic development of planocera elliptica. Philadelphie, 
1854 ; 1 broch. in-4°. | 
Descriptions of new species of Fishes from Texas; by S.-F. Baird 
and Charles Girard. — Descriptions of exotic Batrachia, collec- 
ted by the U.-S. exploring expedition under capt. chas. Wilkes ; 
by Charles Girard. — Descriptions of new genera and species of 
Norih American Frogs. B. Spencer F. Baird. (Reprinted from 
the proceedings Philadelphia Academy of natural science) Phi- 
ladelphie, 1854; 3 broch. in-&. 
fashington's farewell address to the people of the United States 
of America. New-York, 1850; 1 vol. in-4°. 
Voyages from Holland to America, À. D. 1639 to 1644; by 
David Peterson de Vries. Translated from the dutch, by Henry- 
C. Murphy. New-York, 1855; 1 vol. in-#. 
Norton's literary and educational register for 1854. New- 
York, 14854; 1 vol. in-8°. 
Address to the Boston Society of natural history; by John 
C. Warren. Boston, 1853; 1 vol. in-8°. 
Boston journal of natural history, containing papers and com- 
munications , read before the Boston Society of natural history, 
and published by their direction. Vol. VI, n° 5. Boston, 1855; 
1 vol. in-8°. 
Proceedings of the american Academy of arts and sciences. 
Vol. HI ; feuilles 1-13. 1852; in-8°. 
Transactions of the Wisconsin State agricultural Society. 
Vol. Let II. Madison, 4852-1853; 2 vol. in-8°. 
Report of the board of Trustees, of the Wisconsin institution 
for the education of the blind. December 31, 1852. Madison, 
1853; 1 broch. in-8°. 
