* 
Bibliography. 303 
a full account of the conjugation of the Desmidiee ; an able argument 
in favor of their v aia nature, together with Miroctions fer collect- 
ing and preserving specimens. We cordially recommend the volume 
as one of rare merit. J. ‘ 
10. The Patent Ofice Report for the year 1847. Referred to the 
Committee of Patents, March 3, 1848. 662 pp. 8vo. Washingto 
ture, the growth and treatment of th ar cane, flax, rice, silk, &c. ; 
herds of cattle, sheep, making of butiet + ; indeed, a thousand things i im- 
portant to the agriculturalist. There is besides an excellent account of 
the German Agricultural schools, their modes of farming, wool culture, 
best merino sheep, &c., illustrated with figures, besides plans of build- 
ings, sheep stables, &c., prepared by C. L. Fleischman, Esq., as the 
result of Cheng during a visit to Germany in 1844, 45. The 
volume closes with statistics petty to the agriculture and com merce 
of different parts of the United States. In the preceding pages we have 
made some citations from this volume. 
MircHeEtu: Tournal of an Expedition pion a of Tropical Aus- 
Ry ; ith illustrations. 
port of the Seventeenth Meeting - the British pag for the Advance- 
48. 
ment of Science, beld at Oxford. in Jun 47. Lon 
R. CHamBers: sarge Sea Mar, se ag s me ane, of Chang es in ": relative 
evel of Sea and Land; mat ioe eer” Cage Esq., F.R.S.E. pp- 8vo, with 
7. and iMastrations Bainbus urgh, 
. B, Lexson: rstallogap hy. with : description yin new double refract- 
in Goniometer and Crywalion 5 pp. Svo. Lendon, 
ins LLE: FP nih coghinhys two vols. foul 
n, 1848. 
OLOGICAL aca i = . Hopkins on the Ge- 
ne he Structure of the hed ealden District— Bain ossil Remains in South 
Africa—Professor Owen on the Dic a oe Kayeland ‘Prof. E. Forbes on the 
Canes ous Fossils of Gouilidaitern ndia. 
N, : ee Kunde von Russland. vol. iv, 8vo. 
a Tu.: Lehrbuch der Metallurgie. 8vo. 
Comres, M.: Traite i. I Exploitation des Mines. 3 vols. 8vo, with a folio atlas. 
Saint-Cat re Devitte: Voyage Geologique aux Antilles. 4to. 
5 eee et E. sor: Catalogue Raisonné des Familles, des Genres, et ‘er 
Espéces de la Classe des Echinodermes. 168 pp. 8vo, with a large plate. (Extrai 
des Annales des Sciences Naturelles, 3e. ser., Tomes vi, vii, et viil.) 
oninck: Recherches sa les Animaux Fossiles. = re partie, Monographie 
des genres Productus et Chonetes, prepared for publicatio 
Pp Monographie de la frmilte des Lycopadiaods 
ZANTEDESCH ce isico-chimica Italiana, Venise, 1846, 1 bobs dy 
volume of memoirs on various subjécts connected wi hysical and natural sei- 
ence; on Astronomical, by Plana, owe Colla; on Electricity an etism, 
by Marianini, Botto, Fusinieri, Zamboni, gale eB, — a "Sa 
savants on other topics. second volume is announced as in e 
= 
