436 Miscellaneous Bibliography. 
13. How Crops Grow. A Treatise on the Chemical Composi- 
tion, Structure and Life of the Plant, for all Students of Agricul 
ture, with numerous illustrations and tables of analyses ; by Same 
UEL W. 
. JOHN 
Chemistry in the Sheffield Scientific School of Yale Coybee 
of, 
must be to all who are interested in agriculture in its various de- 
artments, and to scientific readers they will furnish a reliab 
e 
illustrations. 8vo, pp. xii, 235, New York, 1868. (D. Van Nos- 
tran i 
h of seeds, and light-house illumination. The matter of the 
ook is well digested, the illustrations are good, and the ayes 
which it is issued is unexceptionable. +21 cok 
15. Part 2 of the Butterflics of N. America, with beautiful 9 
ored plates, by Wm. H. Epwarps. has just been published ea 
Philadelphia. 
N of the 
oe > 5 2 
article on the Eozoon (p. 245) we are indebted to the liberality © 
Sir Wm. Logan; f th cle on the se ag 
tions of the Earth’s Orbit by J. L. Stockwell (p. 87), pan me 
Gravel by Tylor (p. 302), and on Siredons y Prof. O. C. 
(p. 864), to the several authors,—Eps. 
