330 Miscellaneous Intelligence. 
’ On the arbitrary coefficient A (?) in Laplace’s expression for the semi-diurnal 
tide, J. G. Barn 
Mechanics of | the fl ight of birds, A. C. Camp 
The Physics of the Mississippi river below the "Red river, C. G. Forsuey.—The 
Physics of the Gui of Mexico, id. 
On a Measurement of the wave-length of the Blue line of the Spectrum of 
Indium, T. C. a DENHALL.— poet modification in the Metric System 
in its Introduction into the Uhited pitty 
Improvement in use of the Reflecting Gorlonbstes H. W. WILEY. 
A novel Radiometer, Mr. JEFFREY. 
The — onetary Question , E. B. Enitorr.—On Standard os : 
e Relation of Organ to Function; or of Form in general to Mode of 
Pee Racsiged and Exerted, R L. KirKPATRICK. 
If. Subsection of ther and me 
A Steam blast pd fh voweing use in laboratories, with illustrations o e, J. L. 
Smitu.—Use of a ent of steam in boiling a ids with and without precipitates 
for use in the scalyigoal laboratory, id.—Some remarks on Phosphorus in Iron, i 
—A peculiar Silicide of Iron with remarks on artificial Silicides of the metal, id. 
—On the general methods scene in the analyses of the American Potunietie 
The action ae Dilute Acid upon Ferrous Sulphide made from Cast-iron, F. P. 
p Srrserome ss e Minerals a Deposit of Antimony Ores in Sevier County, 
Arkans 
Ethers ots poe Bile Acids, and specimens, A, SPRI 
On the of Hypos ulphite of Soda for the prec sipitation of Alumina, ©. L. 
MEEs. 
The various methods of a as os Soegeirgn. Barium, Strontium and 
Calcium. Part I. Determination of Strontium, P. ScawxitzER.—On some inter- 
esting pemgreay from the solubility of aifioultly soluble Hactoesarath id. 
N he Separation of Iron from Cobalt and Nickel, A. H. ELLIorr. 
On ‘hes ssaggeenre of steel by the open hearth ined 5 8. HEDRICK. 
If. Section of Geology and Natural History. 
Our wledge of the rage Worm, A. R. Grots. — A new Lepidopterous 
Tnsect injurious to Vegetati a 
On Sex owers, 
The iow of Repetition, Miss Vinorsta K. Sgihecs 
On the Respiration of Amia, B. G. Wimp 
Agamous reproduction among the Crs, H. F. Bas 
On the Origin of Structural Variai E. D. Cop m—On the Classification of the 
Extinct Fishes ‘of the Lower types, 
On the Silurian Island of the aes: ti uplift with reference to its part 
Tennessee, J. M. Sarrorp.—Notice of a specimen of Cyrtodonta ventricosa from 
tog seiner a 
On Geographi 
piss spt Fossil asda: in the Rocks of the Cincinnati reer N. S. SHALER. 
On Geodes, S. J. WALLACE. 
oe the Annual Deposits of the Missouri River during the Post-Pliocene, J. E. 
"The Structure of Eruptive Mountains, J. W. PowELt.—Overplacement, id. 
The Variation of certain Fresh Water Mollusks of the United States phe their 
Geographical dye tae ents Gh ERBY. 
Notes on the Siluri veer of ab dor Nevada, T. Srerry Hunt.—Notes on 
the Githagy of the 3 Rocky 3 
