450 Bibliography. 
Rosert Hunt: eaaeass Physics; feap, 8vo, with numerous wood-cuts. Lon- 
don, 1851. Reeve & Benh 
5 Tu mae The Birds of Ireland; 8d and concluding volume, nearly 
Tinton. e & Benham. 
et MCor: The © Brits Paleozoic Fossils, added by Prof. Sedgwick to the 
éBeran In royal 4to, with numerous plates. Part I, ready. Reeve 
Benham, 
Mrs. Hussey: Illustrations of British Mycology, 2n 2nd ser. In royal 4to, with nu- 
merous colored = ates. Part iii, we published. London. Reeve & Benham 
JOHN ar-Book of fac s in Science and Arts for 1851, exiting the most 
rtant i Uiecuvesies and improvements of the past year in all ‘branches of Science 
and the Arts. London. 
M. Borreti 
. 
e Numismatist—a monthly publication eOnTEy aig te 
the nd Hearne Oieisstioe of the science of Numismatography. Begun Mar 
eae Nx HERRENSE, or a selection N rn tone © plants drawn and col- 
pian Gees nature. sre with 150 colored ae Madras, 1846-1850. 41. 10s. 
Proceepines or Boston Soo. N at, His ga , 1850. p. 339. On the age of 
Gor 
io 
Mammoth Cave; J. Wyman.—p. 354. On supposed parasites of Hydra; Agassiz. 
—p. 356. Observations on the Naiades; Agassiz—p. 357. Origin of deposi its of 
roy shells in Maine, on the St. Lawrence, and on Lake Champlain ; Desor.— 
47. A rt 
n, (Canis frustror); 8. W. Woodhouse-—p. 149. Sketch of the Birds of the 
Genera Vireo, Vieillot, and J, Costas Honan and list of known species with 
.—Occultations of gent at bes Canmtaaage + Observa- 
tery in the years 1846, 1847, 1848, 1849, to seh es 23, 
servations on Hebe, ris, an to made vith the Filar- ‘Microme- 
ao ot the Washington Equatorial; J. Fergu and Ephemeris of Iris, 
for 1 - ; E. Schub 
a eas 
Se ert—Observations of the Fi First Comet 2 1850, made at nt Ha dson, 
iin the Similarity of Arrangement of the Asteroids ani gape eos 
- ets of short period, and the possibility of their common origin ; “s Alexander. 
ial inaiigeoers Sea on rs Sabra ie Locomotive—We learn from the 
: =e the 27,] Prof. Page ay vita, the bait 
sting the a é 
to. the jovting 
