lv CONTENTS. 
Mineralogy and Geology.—Note on the supposed Fossil Footmarks in Kansas, by C. : 
H. Hircncoox, 132.—On Ivigtite, by G. HacemMann, 133.—Notes on the Chemical i 
Geology of the Gold-fields of California, by J. A RTHUR PrHinuies, 134.—Gold in } 
Rhinebeck, Dutchess county, New York, 139. 
Botany.— Botanical abr soa hee Groree A. aE Deas 140: NatHan- 
TEL BAGsHAW WARD, RD Paeppic, Dr. ScHNITZLEIN and FRANCOIS 
DELESSERT, 142: Horace Boe “Tndex to the Native aid Scientific names of 
Indian and other Eastern Economic Plants and Objects, by J. Forsres Watson: 
Synopsis pipet or Synopsis of all known Ferns, including the Osmundacez, 
Schizzeacer, and Ophioglossacez, by Sir W1LL1AM JAcKsON HOOKER _ 
and Joun GiperT BAKER, 143.—Plante Wrightianze Cubenses, Wricat, 144. — 
Miscellaneous Scientific Intelligence.—The Flow of the Great Lakes, 145. 
Miscellaneous Bibliography.—How Crops Grow; a Treatise on the Chemical Com- 
position, Structure to Life of the Plant, by Samuren W. Jonnson, 147.—Outlines 
49.—A. 
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fornia, &c., by Trrus Tey CRoNISsE, 150. —Outlines of Physiology, Human and 
Comparative, by ite MarsHALL: Reliquie Aquitanice: Geological Survey of 
Illinois, WortuHen, 151. 
Proceedings of Societies, 152. 
- NUMBER — 
Page. 
Arr. XL— —On some phenomena of Binocular Vision; by og 
Prof. JosepH LeConre 153 
XI.—Contributions to Chemistry from the edetaheny of 
the Lawrence Scientific School. No. 6.—On a new Salt 
_ containing Tin, Cesium and Chlorine; by 8. P.Saarpies, 178 
XII.—Upon the Atomic Volumes of Liquids; by Franx 
Wiceteswortu CLARKE, 180 
XIV.—On the Occultator; by Prof. Lewis R. Grppes, -.-. 191 _ 
XV.—On the wave lengths of the Spectral Lines of the Ele- 
ments; by Wotxcorr Grpss, 194 
XVI.—On the condition of our knowledge of the Processes 
in Luminous Flames; by Evaenzn W. Huzearp, ------ 218 
XVIL—A notice of some Manuscripts in Central American 
Languages ; by Danrex G. Brrytron, 222 
XVIII.—Notices of New Meteoric Irons in the United 
States; by Cuartes Upuam Sueparp, : 230 
XIX.—On Nitrification; by 8S. W. Jounson, _- 234 
