272 Scientific Intelligence. 
to sg rea of a mile wide. The analysis gave: Silica 47°77, FeO 
15°41, MnO °26, Al,O, 7°69, CaO 13°16, MgO 15°28=99°57. It is of 
a very dark son color. 
2.) Precious serpentine from East — oe Co., Penn. Silica 
43° oa FeO 1°38, MgO 40°48, HO 13°45=— 
On Anatase at Smithfield, mt By “8 a . E. B, Eopy.—Anatase 
rs at the Dexter Lime Rock, Smithfield, R. L, and is there associated 
occu 
with ‘eryetallized quartz, nacrite, acicular natrclite and pearl spar. The 
is dolomite. Needles of natrolite penetrate the quartz orystals i in 
every eee and the caleit te also.— Bost. Soc, Nat. Hist., x, 94. 
roleum in Russia.—A well, six centimeters in bore, near Tem- 
rioux, in saeanes Russia, affords 73 000 litres of oil per day. 
21. On the Composition of the Stone implements found in Celtic mon- 
our has i 
which he calls re bandas Pete elie alike or black 
horton), saussurite, onan the rocks aphanite, a diorite, dolerite, 
petrosilex. e obsidian Oe — anoes, an s found i in Europe 
Haute-Loire. s tha’ 
more of ea mayo loealities have afforded the pee rata Mondes, 
Nov. 2 
and ac. He — masses of fibrolite weighing eight to 
twelve kilc amen With it occurs andalusite, a mineral hitherto not 
found in France.— Les prises Dee. 21, 1865. 
- Geological Survey of Towa.—It gives us silastic to state that the 
13,000 b survey of lowa has been again = up by the State, and that 
3,000 have been appropriated for two years, and Dr. C. A. White put 
charge. Dr. White will we believe do oa the work before him and 
Reports of great value both to the state and to science. The 
of his a isapene on him and his assistants the duty of 
