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whole American continent; by major R. Lachlan. Cincinnati, 
1859; 1 broch. in-8°. 
The american Journal of science and arts, second series, 
n° 82 et 83. New-Haven, 1859; 2 cah. in-8°. 
Physiography of the isthmus of Choco’, New-Granada; by 
Arthur Schott. New-Haven, 1859, 4 broch. in-8°. 
Mammals of North America; by Spencer F. Baird. Philadel- 
phie, 1559; 1 vol. in-4°. 
Description of new genera and species of North American 
lizards in the museum of the Smithsonian institution ; by Spencer 
F. Baird. Philadelphie, 1858; in-8°. 
Journal of the Academy of natural sciences of Philadelphia. 
New series, vol. IV, part 1. Philadelphie, 1858; in-4°. 
Proceedings of the Academy of natural sciences of Philadel- 
phia, 1858; n% 10 à 20. Philadelphie, in-8°. 
Notice upon new genera and new species of marine and 
fresh-water fishes from western North America; by Charles 
Girard. Philadelphie, 1859; in-8°. 
Ichthyological notices ; by Charles Girard. Philadelphie, 1858; 
in-8° 
Notes upon various new genera and new species of fishes in 
the museum of the Smithsonian institution; by Charles Girard. 
Philadelphie , 1858; in-8°. 
A list of the fishes collected in California, by Mr. E. Samuels, 
with descriptions of the new species; by Charles Girard. 1 broch. 
in-8°. 
Descriptions of some new reptiles, collected by the U. S. ex- 
ploring expedition, under the command of capt. Charles Wilkes, 
U. S. N.; by Charles Girard. I-IV part. Philadelphie, 1857; 
in-8°. 
Geological explorations in Kansas territory; by F.-B. Meek 
and F.-V. Hayden. Philadelphie, 1859; in-8°. 
The mosaic acount of the creation ; by James C. Fisher. Phi- 
ladelphie, 1858, in-8°. 
