CONTENTS. 
delphia, April 5, 1841; by Prof. Eowarp Hirencock, 
IIE. Notice of a Flora of North Soildlakc by Cs WT cuaxy, 
M. D., F. L. 8. &c., and Asa Gray, M. D. &c., . 
IV. A Sketch of the Laldeoris, of the family Bacillaria, with 
some account of the most interesting species which have 
been found in a recent or fossil state in the United States ; 
by Prof. J. W. Bauey, 
Ve costing on Bills of Mortality, with a oa for their 
improvement ; by James Meass, M. D., &c., 
VI. Meteorological Observations made at Fisidetss: Ohio, dttrisip 
the years 1838, 1839 and 1840; by Prof. Exzas Loomis, 
VII. Meteorological Summary of the Weather at Montreal, 
~ Province of Canada; by J. S. M’Corp, Esq., ‘ 
VIIE? Observations on the Secondary and Tertiary Daimensiinin 
of the southern Atlantic States; by James T. Honce. 
With an Appendix; by T. A. Conrap, 
TX: Analysis of various Ores of Lead, Silver, Cirsee: Zine, 
Tron, &c., from King’s Mine, Davidson peed North 
Carolina ; by Prof. Jamzs C. Boorn, 
$ 4 1 
“fi a f iJ i te Fe 
views cise : 
XII. Steam Navigation to the Pacific ere i isthieuree Panane 
and along the Western Coast of South America, . , 
XIII. Bibliographical Notices:—A discourse on the character, 
properties, and importance to man, of the natural family 
of plants called ee or True Grasses, 365.—Lecons 
de Botanique, la Morpholosie 
Végétale, "la Terminologie, la Botanique- Comparée, PEx- 
amen de la valeur des Caractéres dans les diverses famil- 
les or eg Pe —Genea Plantarum secundum 
A ita: Nomenclator Botanicus, seu 
synonymia poate -universalis enumerans sestle al- 
habe tum ars 
cifia, — a Linneano ee a recentioribus de re botanica 
373. 
. 
tHe, + 
Supplemeste der Ricdgrisee (Carices) zu ‘hikeeat Mo. 
nographie, &c.: Hooker and Arnott’s Botany of Capt. 
Beechey’s Voyage: Elémens de Tératologie Végétale, ou 
oo 
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