it “a 
3 aé 
© i CONTENTS. 
"Mineralogy and Geology. a “ab A Lawrence SmitH: On the Gongs 
of Spain, by nage ela AQquin EzqQue DEL Bayo, 259. = Aste nt of Popocat - 
e etl, 26 266.—O S Prdrcpiiee as the Corundum of es a 
tI F. Sear: On ‘Rhode Island Coal, by A. A. Hayes 
Zoology. —Cons eee. Drpetocesrum “que in Orbis Terrarum CiroUm DA RRUONSS 
Carolo Wilkes e ve psit J. D. Dan 
Pars VI, 268.— jogic cal Bethe by Josern Lewy, oe D. 5274 aaVaine. oF 
the word Spiciod i in Zoology, by 8. G. Morron, M. 
Astronomy.—The new planet Egeria, 276. 
Miscellaneous Intelligence.—Magnetism , 276.—A comparative hare of the 
objective glasse s of Microscopes from Mr. Ross of England, Mr. Spencer of 
cl 
g r es 
etable Physiology, 286.—Anasthetic Action: On Teleg opm and on pe 
Percha as a means of insulation and a material for pahcie ry B rof. 
pei a the Purification of Coal Gas, by Mr. Lamina 20) ibe the Aspl halti 
Coal of New Property by C. T. Jackson, 292. —Shooting Stars of August, 
1950: Lalande Medal : ” Academy of Natural Sciences of ae a 293.— 
Obituary.—John James Audubon: Prof. H. C. Schumacher, 
spss Op .—Patent hae Report for ee 295. wig Atlas of Fossil Re- 
by G. A. ManTe tu, Esq., LL.D., F.R.S , 298.—On the Pelorosau- 
fae Wacenis: and Eslsinncienthis, and Hylacrarus, ‘by G. A. Mant ELL, Esq., 
S., &c.: A Treatise on Trigonometry, lane and Spherical, by Rev. 
List of Works, 303. 
> NUMBER XXXIII. : 
oe 
aes 
Agr. XXXII. On the Aboriginal Monuments and Relics of New 
York; by E.G. Squirr, A 
XXALV. On as corrosion Sf 2 Alloy, composed of Copper cad 
_ Silver, in Sea-water; b Aue. A. Hay 
 XXXv. On the Calculus of ony : by Joun Parsnson, A.M 
- XXIXVIL-On’ the Ma prot Ca 
or 
