XVI. 
XVII. 
XVIII. 
XIX. 
XX. 
XXI. 
XXII. 
XXIII. 
XXIV. 
XXV. 
CONTENTS. lil 
PAGE 
On the Geology of the Valley of Reposoir in Savoy, 
and on the Rocks containing Ammonites and 
Belemnites lying above the Nummulitic Forma- 
tion. By M. A. Favre, Professor in the Aca- 
demy of Geneva, . ; : : - 113 
Notice of an Intestinal Concretion from a Snake. By 
Joun Davy, M.D., F.R.S., London and Edin- 
burgh, &c. Communicated by the Author, 118 
French Scientific Mission to the Pampa del Sacra- 
mento, By M. F. Dz CasrEnnau, 3 119 
Remarks on the Level of the Molasse in the Eastern 
Alps, and other Geological Topics. Communicated 
in a Letter to Ropert CHAMBERS, Esq., F.R.S.E., 
&c., &c., : é : : 4 : 134 
On thé Limits of the Chalk-Formation. By M. Dz 
Bucn, . ' : } : : ; 140 
On the Geological Signification of the word “ Flysch.” 
By M. Sruper, ; : : : : 146 
Explanation of the Treatment of an Invention in Litho- 
graphy made by Mr Scnenck and Mr Guemar of 
Edinburgh, in August 1849. (With a Litho- 
graphic Plate.) Communicated by the Royal 
Scottish Society of Arts, . é : ; 148 
Notice of a Chromatic Stereoscope. By Sir Davip 
Brewster, K.H., F.R.S., V.P.R.S. Edinburgh. 
Communicated by the Royal Scottish Society of 
Arts, : : ; . . : . tee 
On the California Gold Region. By the Rev. G. 8. 
LyMAN, : ; 5 “ : ; 161 
On the Identity of Sillimanite, Fibrolite, and Buchol- 
zite, with Kyanite, , : : ‘ 157 
