iv CONTENTS. 
. Page. 
XIV.—A new Meteoric Iron from Mexico; by J. LAwrENncr 
SMITH, S55 ss vo ewe ees Toe. a Ree & | 
XV. Shoots Stars on the morning of Nov. 14th, 1867, . 78 
XVI.—Notice of a peculiar mode of occurrence of Gold asd 
Silver in the Foot-hills of the Sierra ee California ; 
by. Be Betas ces os Scene ce ve ces ces De ess ss 92 
XVIL—Observations on Skylight Polarization i in oivieks: : 
by Enwanp O. Cuase,.... 2... 0000 ootcucsiveseese, 96 
| & —Editorial Correspondence. — Explorations in Russian 
Ww , 
Geography of the Andes of Quito; by James Orron, 
99.—Rocky Mountain Coal beds; by F. V. Haypen, 101. 
IL.—Editorial Note, 102. 
SCIENTIFIC INTELLIGENCE. 
and Physics—Note by J. D. Dana, 109.—On the Source of Muscular 
MER, 112.—On Dynamo-magnetic 
© F.R.A.S., 115.—On a real Image Stereoseope, by J. CLERK MaxwE 1, 116. 
alogy and Geology.—Extract from a paper on Borates and other Minerals i 
Panes and Gypsum of Nova Scotia, by Prof. How, 117.—Pteropodes Situriens 
la Bohéme, ete., par Joachim BaRRANDE, 120.—Musée Teyler: Catalogue sys- 
pea as de Is Collection Paléontologique, par J. C. WINKLER: Siluria; a his- 
tory of the baoege rocks in the British Isles, etc.: Materialien zur Mineralogie 
Russlai on NIKOLAI VON Ki Ww, 121. 
Botany and Zoology.—Botanical Necrology for the year 1867, 121.—The Journal of 
and Physiology, 124.—On the actual state of our information relative to 
the ‘ Leporide,’ or picid between Hare and Rabbit, by Dr. Prezaux, 127 His- 
tory of the Fishes of Massachusetts, by Davin Humpureys So: MLD., etc. : 
Index to vol. I to XI, of Observations on the Genus Unio, ete., by 1sak0 Lea, 
LL.D., ete., 129. 
Miscellaneous Scientific Intelligence.—Earthquake in Kansas, by Jonn D, ParKER, 129 
__ —On the Voleanic Eruption near the city of Leon, by Hon. A. B. Dickerson” 
- 131.—Earthquake at St. Thomas, 133.—Earthquake in Western New York, Ver- 
: Corrections to a paper “on the Comparative Strength 
of Cannon of modern construction, by DaniEL Treap 185,—Cretaceous 
Coal in New Mexico, by JouN Teese 136.—On the introduction into the Mo- 
rtain species of Shells not previously found in 
those waters, by J. Lewis: Pieervetions on the transfer of the Library of the 
a aT Institution to the Library of Congress, by Professor Henry, 137.— 
Porcelain-like Glass from va war Livingstone, 141. Obituary.—Dr. John 
eee rene 141.—Lord 
