Marc CONTENTS. 
~ ada from Red River to the Gulf of St. Lawrence, com- 
piled by Tuomas Devine. November, 1859.— 
; Barth in Asia Minor, 398. 
XXXVII. Further Remarks on Numerical Relations between 
Equivalents; by M. Carey Lea, - 
XXXVIII. On the Production of Ethylamine by Rebatidas ‘of ee q 
Oxy-Ethers; by M. Carey Lea, - - 4018 
XXXIX. On the Optical Properties of the Pievats of Manganese ; 
by M. Carey Lea, - 402 
XL. On our inability from the Retinal impression seas to seed. 
mine which Retina is — by Prof. Witu1am B. 
© — Roce : - 404 
_XLI. Glicinstiticienss of J. Nrvicedile of Biciean Secchi eBGynl : 
ical Chemistry.—Polarized light employed as a reagent, 
Biot, 409.—On the existence of new simple bodies, BuNsEN 
and Kircnuorr, 410.—Catalysis and Contact Actions, Loz- 
WELL: His researches on supersaturated saline solutions, 
411.—Empiricism—A pplication of the Physical Sciences to 
Medicine, 412.—Electro-Magnets and Magnetic Adhesion, 
413. 
SCIENTIFIC INTELLIGENCE. 
Chemietéy and Physics —Chemical Analysis by Observations of Spectra, 415.—Sodium, © 
416.—Lithium: Potassium, 417.—Strontium: Calcium, 418.—Barium, 419 some 
numerical relations between the densities and equivalents of certain elements: On_ 
the Loss of Light, by Glass Shades, by Wm. Kine and Prof. Verver—with a note 
additional experiments, by Franx H. Storer, 420.—Note on the last, by B. SILLI- 
MAN, JR Bs 
Astronomy.—New Planets, the 59th, (FERGuson) : the 58th, Concordia (LuTuur), 424. 
Personal.—Prof. J. D. Whitney ; Prof. Wm. H. Brewer; Mr. William Ashburner, 424; 
sailed for California in charge of the Geological Survey of that State. 
General Index of Vols. XXI—XXX, Second Series, 424, 425. 
Obituary.—Dr. W. P. Holmes, 424. 
For a list of the Plates and Errata in Vols. XXJ--XXX, see end of Index. 
ERRATA. 
P3562, 1: 1 m bottom, for ‘‘many” read “ some.’ 
«367, 1. 93 fos rom top, for‘ “best,” read * test.” 
“174, 1. 18 from top, for “ point, ” read * part.” 
