CONTENTS OF VOLUME X. 
” 
NUMBER: XxVIII. 
Axr I. Review of the Geological Report on, the Chippewa Land — 
District of Wisconsin and part of lowa, made in the mene 
1847, under the direction of D. D. Owen n, M.D., | 
TI. On Rutilated Quartz Crystals from Vermont, and De chcuean 
connected with them; by Francis. Arcer,A.M.,_ - 12 
Il. Examination of Risk wood’s Analogy ; by Szars C. Wau = 49 
~. IV. On Kirkwood’s ‘Analogy ; by Dr. B. A, Goutp, Jr., - 26 
i ue 2 Y. On the Natural Terraces and Ridges of the country bordering 
gk Lake Erie; by Cuarves WuiTTLEsEY, - 31 
= iy I. On the Qusalie of Heat evolved from aeomidcs Air - 
- oe Mechanical Compression; by Jonn Gorriz,* M.D., - - = 39 
- On the Computation of the Sun’s Daily Intensity at the ex- , 
terior su of the Earth, and Secuiey. eanee® of Heat; 
EOH, 49 
VIII. Notice of Fossil Bose from the nei of Memphis, 
Tennessee; by Jeprrigs Wyman, M.D 56 
TX. On the Geological Structure of Keweena’ Poin % tiv 
. C. T. Jackson, - - 65 
ae Analysis of Algerite; by Ridkees aii : v7 
2 XI On a? Telluric Bismuth of Virginia ; by Dr. C. T. oe 78 
j ae. On 
up ew Mineral Species; by Henry Wurtz, 80 
. ie Err: tie Phenomena about Lake Bisbee: wd Prof. 
Aca - 83 
XIV. “Oneal Gold tom California o Piscon Mis, - 101 
SCIENTIFIC INTELLIGENCE. 
Clexinery and Physics—On the Diffusion of Liquids, by Professor Grau 
ae S.,106.—On the Occurrence of Formic Acid in Stinging Nettles, 2 ‘Dr 
G sANEZ, 108.—Method of Preparing “Theine, b by H. Hernsrvus : Test 
ee of Sugar, 109.—On Iodine in fresh. ‘water Plants, by Ap. Cua- 
110.—A Rsalyae of certain gold-colored Bronze Antiquities found at Dowris, 
r ge ote Cooxe: Mannite, its atomic Weight and Compounds, by 
*111.2On Daleose, a Homologue of Grape Sugar, by A. Lav 
in the Liver, 112.—Sugars of Honey: Sugar in the flowers of 
* Incorrectly spelt Garric. 
