fee 
Miscellaneous Intelligence. 455 
or the proportion of land and water on the globe, Rigaud deduced the 
ag 100 ; 270, o Humboldt, the ration 100:280; and this corres- 
ponds with 3? : 5? which equals 9 : 25 or 100: 277. The land of the 
merican stilts equals 10,606,400 sq. m., and that of the other ang 
isphere, 27,274,000 sq. m. the ratio is 1: 2°57 which equals 5?: 
These are a few examples from the work. 
16. Principles of Chemistry, embracing the most recent discoveries in 
the Science, and the outlines of its application to Agriculture and the Arts, 
Illustrated by numerous experiments newly adapted to the simplest appa- 
ra y Joun A. Porrer, M.A,, M. rof. Agric. and a Chem. 
in Yale College. 480 pp.12mo, New York, 1856. A. 8. Barnes & Co. 
Ti the preparation of this text-book, Prof. Porter has aimed at a clear, 
imple and practical presentatiun of the princi iples of Chemistry, not over- 
loaded with details, and with such experimental illustrations as ma 
repeated with simple means, small expense, and little previous knowledge. 
The plan is well carried out, and the work is an excellent one for classes 
in ges 
Smithsonian Contributions to Knowledge, vol. vi1.—U,. S. Naval 
Sidenanical Expedition, vol. 1 oe ese works were not received in time 
for a notice in this number 
B. Atvorp : The Tangencies of Circles and of angie: by Benjamin rein awe 
U.S, A—Smithsonian Contributions to Knowledge. 16 pp. 4to, bears 9 plat 
~ tocoty ery egterne ; — sien 
pus, ved Joh. Japetus Sm. Steenstrup. 32 A ® with 2 plates. Kjobenhavn. 1856. 
Ninth Annual Report of the Regents of th a aiverty of the State of New York 
on the ee ot soa atl thereto. of Natural Histo ed and the Historical and 
here 
Reptiles occurring near hiladetphia ’ Hallowell 
spathic iron of the West side of Chesapeake bay, led Baltimore ore; ith. 
, On four new species of Exotic nes ; J. Lea, escriptions of 
ee Myriapoda ; A. Sager.—p. 109, Description of thirteen new species of a 
Peristomata ; J. Lea.—p. 111, Descriptions of fossils from the Tertiary of the Up 
Ld . . Mee 
with remarks on the Geo ology ; F. V. Hayden, M. D— 
126, Ceratites Americanus, Prof. L. Harper—p. 128, Examination of Meteoric [ron 
m Xiquipileo, Mexico; W. J. Pe a: ee! Description n of two new species of 
Urodeles from sient irk E. Hallowe D.—p. 131, Contributions to the Ichthy- 
1 h ted States pon oped n the Museum of 
ology of the West am Cast of the nied tate ag ae 
t. 
‘ rimented on by Dr. Be 
i N anny eae eee i Kjébenhayn. 
lige Meddelelser fra we: rss tal ay ng with “he 
vas , Ss H f° University 4 ON 0. 2. F. Didric — 
es; A. S, Ocrsted. —_— of the ear ea a 7. Th. gon ro 1 local 
Sue >of N New York ; . a, gh—On the 
id 
ties of Graphite and Eupyrchroite in = tha 
Convolvulacese from Guinea in the Uni we arr 
to C. A. Ke eissw 
Der Jer Pithnaniacbs Code Codex Juvenals, Erster Theil. Kritisch-exegetische Abhandlung, 
von Dr. A. HAcxermasn, Gymnasialle rn 40 pp. 4to. Greisswald, 1856. T. oe v0 
Index Scholarum in Universitate Litteraria et er per semestre zest 
Anni mptocotvi, a Die Mensis Afrilis habendaru . Kunike. 
De Gravidatate Extra-uterina, accedit ee memorande cujusdam Gravidi- 
rnard. Guil. Sommer; 4to, 
Mémoire sur une s ilathibde N ouvelle "de 5 Tianfomation sent serena dans le 
Plan et dans |’ , av lication aux Li urfaces _ 
Guptsa, ver Medeweos Dower: De: Sei or Muth, Prof, de Math. & Paris. (eat 
ean nape a 8 pp.8vo. Greifswald, 1856 Kunike, 
