vill . CONTENTS. 
SCIENTIFIC INTELG 
Chemistry and Physics.—On Fraunhofer's Lines, Krre 
i i ER 
MANN: On’ 
c Acid, ae 
Chemistry of the ialiinessetaes Cavs, 425.—Synthesis of new Bases 
Oxygen, Wurtz, 426.—On a new series of Alcohols, Wurtz: Researches 
tinum metals, Dr. WoLcottT Grips, 427. 
Technical Chemistry.—Solution of Cellulose in Ammonio-oxyd of Copper 
of Indigo by — of Iron, 429 —Aluminum Leaf: Critical and 
Geolozy.—Notes on the ia of Nebraska and Utah Territory, by Dr 
433.—Note on Prof. Newberry’s criticisms of Prof. Heer’s determin 
of North American Fossil Plants, ee Léo LesquerEux, 434, 
Pisin and pee — Abstract of Metscrdlgicel penne 
Cal., by Tuomas M. Locan, M.D., 446.—Daylight Meteor of Nov. “15, 18 
Miscellaneous Scientific Intelligence—Probable origin of Flint — se ; 
ew 
rolina : faker yes aa =~ Mechanics and pet i 
reves t «, by H BeEnneTT, C.E., 4 Ga 
zur Keuciiee der ‘Exspiage, ei 
Notices of New Publications, 453, 454. 
Proceedings of Societies, 454. 
Index, 455. 
a ERRATA. 
P. 101, 1. 4, for “ethyl,” read “ silver.” 
Ee 
102, 1 13, for “43'5," read « 448” Bod half sum of equivalents U and Ni.) 
Le ” read “ Mn. 
.. Vol. XXVIII, p. 135, 1. 93 from top, for gon VI, read Vol IV.—P. 356, ee. bot: 
after the word “cultivation,” insert a peri riod, putting a capital W for the word — 
“ where.” — ar oy 19 from bottom, omit * then,” —P. 357. line 10 from top, cee 
* deposition 0 * deposition of mud.” 
