672 TRANS. OF THE ACAD. OF SCIENCE. 
1858; Ueber die geschichtl. Vorstufen der neueren Rechts- 
philosophie, von Prof. Dr. Carl Prantl, Miinchen, 1858,— 
Ueber Johannes Miller, von Prof. Dr. Th. L. W. Bischoff, 
Miinchen, 1858, from the Royal Bavarian Academy ; Sie- 
benter Jahresb. iiber die Wirksamkeit des Werner-Vereins 
zur. geol. Durschf. von Mihren u. Schlesien, 1857, from the 
Society ; VII. Bericht der Oberhess. Gesellsch. fiir Natur-und 
der naturf. Gesell. in Bern, 1855-6-7, from the Soctety ; 
China and its Trade, by John Crawfurd, F.R.S.,—Proe. Geol. 
& Polytech. Soc. W. Rid. of Yorkshire, 1857--8,—Comets, by 
Christopher Kemplay, Leeds, 1859, from the Society ; —. 
Amer. Acad. of Arts & Sci., Vol. VI., Part 2, 1859,—Proe. 0 
Liditor ; Rep. on the Hist. & Prog. of the U. 8. Coast Sur- 
vey, 1868,—Popular Account of the U.S. De ae ek 
the State of Texas, dated Austin, June 12, 1859, touching 
late discovery of Lower Silurian rocks, equivalent ew 
Potsdam Sandstone and Calciferous Sandrock of the : 
York System, in Burnet county, in that State, as follows: 
‘ f 
“T have been working lately in Burnet county, which lies just ore 
Travis, where the capital is located. My observations have been ent of 
highest interest. I have discovered there an extensive developm 
