CONTENTS. Vil 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics.—Behavior of Hyd rogen peroxide with the Alkalies, 
ScHOnz, 380.—Series of Magnetic Compounds havin ving the Formula R’’Fe,0,, 
List: On ~ Rak Loge gs fois tase and on Nascent peas Supe sag ane 
—HEHlement mas FORD 80 
rR: Contribution to the History of Spectrum Analysis, BECKER, 392 
eralog i 
CH: i 
e in the N. Hamps ire satan? ig hen sane ase of 
der Kaiser-Wi 
fa 
of a Sponge in Ttalian Marble, VERRILL: Ophiuride and 
Anzeiger Tings 0 
Astophitide the arose e8 re ition Fig es ida of N ew aed WIL- 
: UL BON 406 of 
the Gulf Stre m, sing cae 407. 
Miscellaneous Scientific In atelbigenoe, —Report on Bridging of the River ay ni 
RREN: n port of t! y of 
Coast Survey : Report of the Trusives of the Peabody Museum: A History of the 
reins of the Steam Engine, THURSTON: seman Alc “Quantitative Analysis, 
: American Quarterly an ‘oscopical Journal, 409.— Obituary.—Thomas 
Belt: Eh v. Asten: M. E. Quetelet: Thomas Grubb: Aug. H. Peterman, 410. 
NUMBER XCVI. 
Page 
Arr. L.—Valley of the Minnesota River and of the Mississippi 
River to the junction of the Ohio: its origin considered ; 
by G. K. Wa ARREN. With eight Plates aed eee eee 8: 
LL—On some points in Lithology; by J. D. Dan pan le eu 431 
An the beaten of x Reece Substances ; by 
NNESSEY, * 461 
LV.—Discoveries in Western “Caves; by H. C. ivan oy eee 405 
LVI.—The Chinese Official Almanac; by M. Harrrneton,. 472 
