72 "Scientific Intelligence. 
one of them lead was poured, and a cast obtained, which, while 
irregular and rough, was a fac-simile in metal of the common 
cruciform twins of staurolite. Portions of the same rock, which 
had not altered, were found containing the serpentine in distinct 
a ir a in ae ink twinned at angles of about 60°. 
. Hisingerite, from the Gap Mine, Lancaster County, Pa. ; 
eos lack smueekens lustre between resinous and 
vitreous ; streak, brown. Fracture conchoidal, brittle. H.—23-3. 
G.== 2.11. 
Analysis, omitting 1.13 per cent. gangue :— 
W ater at 212". Sus Se 
at redness pee ga a 9.89 24.19 
See ee es eee 
FeO Se ae a ee rege gr ae ee 
Peg ce re eee ee ae 
99.58 
In a cutting through decomposed mica schists, on the new line 
of the Philadelphia, Wilmington and Baltimore "Railroad, about 
half a mile southwest of Gray’s Ferry, there is a white efflorescence, 
alkaline to the taste. It consists chiefly of oar ee of soda, an 
unloo “igh mineral in such location.—Proc. Acad. Nat. Sei. 
Phitlad. 
5. Deseripti tons of new species of Fossils from the vicinity a4 
Louisville, Ky., and the Falls of the Ohio; by James Hatt a 
R. P. WuirFietp, 7 Published ‘May, 1872, in sacl 
of the Report on the Beate | Museum. Contains descriptions of 
species of Orthis, Spirifera, Pentamerus, Aviculopecten, Yoldia?, 
la, a Pol nee se and of the new genus 
Ptychodesma, based on a modioloid 
6. Mineralogical ep pac cri of aes Rath.—The 144th vol- 
ume of Poggenc meee 8 alen con ntains a continuation of the val- 
nine Alps; wollastonite of Mt. Somma; allophane of Dehrn in 
Nassau. 
7. Proceedings and Transactions of the Nova Scotian Institute 
of Natural Science of Halifax, Nova Scotia.—Part I. of vol. iii, 
94 pp. 8vo. (5s.), has recentl ‘peen issued. It contains several 
tte on the geology, natura t nisvery, and meteorology of Nova 
tia. 
- Mare Micheli ; On some Recent cinegse vg in Vegetable 
ae ty An article in the Archives des Sciences of the 
Bibliotheque Universelle of Geneva, in ee a t reproduced in 
English in the Ann. and Mag. of Natural ondon, for 
ebruary and March last.—Micheli is a renaad WEE into the 
French of Sachs’ volume upon Vegetable Faysologys 4 and we trust 
he will translate the other volumes of the series to which this 
belongs, The researches which are first ERE PEG in this inter- 
