CONTENTS. = 
154.—Quarterly Journal of Microscopic Science: ALexts Perrey, Mémoire sur les 
Tremblements de Terre ressentis dans la Peninsule Turco-hellenique et en Syre— 
uments relatifs aux Tremblements de Terre dans la nord de |’Europe et de |’ Asie— 
Mémoires sur les Tremblements de Terre aux Etats-Unis et dans le Canada, 155.— 
Norton’s Literary Register, 1853, 156. 
List of Works, 156. 
NUMBER XLIV. 
Page. 
Art. XIX. On a of Level in the Pacific i ” 
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AMES 157 
XX. On Soleil’s cae eae by Ww. P. a y oe -. 1% 
: XXI. Observations on some Mounds on the Tensaw River; by 
| A. BigELow, - - 186 
} XXII. On the Pidiplisidessiice of some iiiride: feverdhirata 3 = 
. DE QuaTREFAGES, - 3 
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XXIII. On the question whether Rarities Panseent ats sin 
Distribution of Marine as of Animals in = zd 
James D. Dana, - 
XXIV. Reéxamination of Keesinie ailecnta : Suir cari 
erylite; Euphyllite; Litchfield Mica; Unionite; Kerolite ; 
Bowenite; Williamsite; Lancasterite; Hydro-magnesite ; 
Magnesite: by Professor J. Lawrence eae M.D., and 
GeorceE J. Brusu, Ph. B., - 
XXV. A Consideration of some of the pheanieens ae inde of 
Sound, and their application in the Construction of Buildi 
designed especially for Musical Effect; by J. B. Upnam, M. a 215 
XXVI. Considerations on the Theory of Chemical —— 
on Equivalent Volumes ; by T. S. Hunt 226 
XXVII. New and ready method of determining the “Alkalies in 
Minerals: Part I.—The Quantitative.Determination of the 
Alkalies in the silicious minerals not soluble in Acids: with 
@ note on a new method of forming the Protoxyd of Nitro- 
gen; by Prof. J. Lawrence Smirtu, M.D., ra 
XXVIIL. Abstract of a Meteorological Journal kept at Maret 
Ohio, for the Year 1852; S. P. Hitprern,M.D.,_ - 
XXIX. Ona probably new element with Iridosmine and Platinum, 
from California; by Dr. F. A. Gentu, - 
XXX. On the Cuicin which may have eodaced ‘ede in a 
Earth’s Superficial Temperature ; by W. Hopxins, Esq.,etc., 248 
XXXI. Brief Characters of some New Genera and Species of 
Nyctaginacez, principally collected in Texas and New 
Mexico, by CaarLes Wricut, Esq., under the direction of 
Col. J. D. Granam; by Asa Gray, M.D., Ae ; 
