The nert No. of this Journal will be published on the first ( 
CONTENTS: 
XIII. Notice of the Pitch Lake of Trinidad ; oF Mr. N.S. 
NROSS, 
XIV. Of the Hsrrisas Tornado, Ohio, February 4, 1854 ; by” 
Prof. O. N. Stopparp 
“XV. On the ee Riaribeies of Crustacea, by Sass 
D. Dan 
XVI. On ay Gate on Polishing of hard Rocks and Mine 
rals by dry Sand; by Wit LAKE, 
XVI. The Ns yey Todividual in e relation to Species 5 by 
r. ALEXANDER Bra ; 
XVIIL. ‘On Different Gentes of Primitive eleiiiadslian by Taom 
. McLeEop, 
XIX. Additions Note on Arachis hypogee by Gronss 
_-.. by Jostan P. Co a pla 
XXIIL Demonstration of the Apparent. Motion of the pheie” 
<b G. Bae of ibe. Pendalum, ae to the Earth ’s Rotation 
re 
nal an Micuele: Pa its Fe 
Sap at he Wheaties Y Mine in Pennsylvania.—Angl 
Certisite ; Wulfenite ;_ belay of Lead; Pyromorphite ; 
Mimetene ; Galena; Coppers’ € Jopper Pyrites ; Malach 
Azurite; Blende ; Calamine ; Hema atite; Fluor Spar; Cale 
Spar; Sulphur, es os Prof. J. Lawrence SmiTH, M.D. : 
ev..1). T. Sroppa 
Thermogenic Apparatus: Gas from 
Piaetical Acoustics ; Piiphasnite® életation of ihe diapa: 
son of Orchestras, 262.—Zincography - " 
“Ss cpa th ac ie 264. Be 
SS theater Wilsonite: a Scapotie, 26.—On 
ote Bet a >and from 
