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Dr, G. A. W. Herricu-Scudrrer: Schmetterlinge v. Europa. Revision u. Sup- 
saat zu J. Hitbner's Sammlun g europ. Schmetterlinge. 41 and 42 parts, Large 
a 48 PP. of text, and 20 colored lithog. Regensberg. 8 = ris 
r. Martius: De Genera et species Plantarum ete, ix. 256 pp. imp. fe 
oh 26 litho. 1849. Uneol. 34 dol.; col. 453 dol., for eae i—ix uncol, | 2 
col. 3 rd 3 
Dr. v. MipDENDORFF : agrestis io al Abth. ii and ii, 281 pp. 
4to, ao & ‘Yehog. St. Petersburg. Leipzig, Vo 
. A. Pamieer: Abbild. u ok neuer od. wesig gekannter Conchylien, 
iii vol. 6 Lfg. with 6 lithog., and 26 pp., 4to. Cassel, 3 
Prof. Dr. H. Stannius: das peripherische Nerven ses & Fische, anat,su. phys * 
slog. planer. iv aoe 156 pp. Large 4te, Rostock, 1849. 8} dol. ogee Be 
0 Linas: eee . the family of Fie EET, 8 pp. | 
sro, with 1 1 ool plate Sor abs aati 9.4 
Recherches sur Tovganozraphie if la classification des Globu- 
erg oy Pa oe with 4 oor plates. _deipeek. 
ZEITSCHRIFT DER DEUTSCHEN GEOLO Pigs Rehr oe 2nd_ vol. lg 
it erli 
Dr. Abert Wicanp: Inte eee und Cuticula,—a Treatise on the 4 
ure and metamorphosis of aie able cell membrane. vi and 130 pp: 8yo, er 
plates. Braunschwei eig, dol, 
G. Rirscut: Flora des Grossherzogthums Posen, im ri des naturhist, Yo hai 
en. d 291 pp. 8vo. Ae 1850. 
_ PROCEEDINGS OF Sg it me AT eg fale > le on erin 8 
Th ee wily and Lar 
g 
a 
2 
fe 
Ibis nea ts ag sR Parle nd; ie abo t. aA eg a s nS 
Dr. Burnett. August—p.321, Red oxyd of Zine and Foanklinite of New Jersey; 6.7 
Jackson —323, A bullfrog found with a mouse in his stomach, and others feeding on 
; ; ritchs Sadie 
th 312, ( ariabilis as distinc 
oy 
f 
hed 
Nee 
a] 
— 
& 
n 
5 
Ae 
4 
ae) 
hs 
2 
Co) 
§ 
3 
> 
=] 
) 
no 
Som 
is 
a 
—p. 335, the San 
pepeoss Regions, &e.; C. 7° Jackson —p. 336, ; hey 
OCEEDINGS OF THE AcaD. Nar. Scr seliguceratahy Vol. v * augue “ 
il Mammalia from Mi TES 7, New - 
om Missouri D. Owen and J. G. Norwood.—p. 6 ' 
— of the genera Paradisea, Pastor and a ; J. Cassin. September—p. 81, — 
On the word species; Dr. Morton.* October—p. 85, On the antiquity of some 
e ; Dr. Morton —p. 90, O ey new Mammalian Fossils; J. du 
_ Meteorological Table from Chagres to New York; —p. 96, 
logy; J. Leidy.4— i On the spree of 
—p. 103, P tcecieden of some 
a Parus, E esta aa a and Leu s in the 
Collections of the Academy ; ZC in ovember.— , Descriptions of se 
4 cember:—p. 119, On the nettling organs of the Hydra; ¥: 
dy.——p. 121, On some aig of Fossil ia idy.t—p. 122, asc 
; Dr. Morton.—p. 124, New Gen Species of Vermes; 
12 seas ngs ‘assin., 
—P. 126, On mn Duck; 
- Proceepines A w Put. S c. PHILADELPHIA. Vol. V, No.45. May, 1850 
ag of the pare pare of California on the SPOES sar Prof. Tucker—Gold f 
: Letter from 
the 
: editi 
‘on the bhecees. 3 Half-d 
Es Natu: soa 5 ser., Vol. aii oa RCH, 15a Moles 
um ; —Research 
