CONTENTS. 
NUMBER CXXV. 
Art. XXI. Results of Magnetical Observations made at Eastport, 
Maine, between 1860 and 1864, for the United States Coast 
Survey ; communicated by A. D. Bacue, + 
XXIL. On the age of the Coal Formation of China; by Dr. Jie 
Newserry—addressed to RapHaet Pumec.ty, Esq., - 
XXII. A Second Method of correcting Monthly Means for the 
‘unequal fength of the Months; by Erastus L. DeForest, 
XXIV. Gn a New Process of Organic Elementary Analysis for 
Substances containing Chlorine; by C. M. Warren, - 
XXV. The Vowel Elements in Speech; by Samvuet Porter, - 
XXVI. On Photo-micrography with the highest powers, as prac- 
tised in the Army Medical Museum; by J. J. Woopwarp, M.D. 
XXVII. Note on a Regular Dimerous Flower of Capeier ie 
candidum; by Asa Gray, - . 
XXVIII. Contributions from the Shetficld Lain of Yale 
College.—XII. — of a Mineral ene by Frep- 
ERIcK F, THomas, - - 
XXIX. On the Nature of the Astle of Ligh upon lodid of Sil- 
ver; by M. Carey Lea, 
XXX. Observations on the origin hi some of the Earth’ s Piciacen: ; 
by James D. Dana, - 
XXXI. Contributions to the Oiasiney of the Mineral aries of 
Onondaga, New York; by Cuartes A. GorssMANn, - 
XXXII A new Meteoric Iron, **the Colorado meteorite,” from 
Russel Gulch, Gilpin Co., Colorado oneal : tf Prof. 
J, Lawrence SMITH, - 
XXXIIL. On Gay-Lussite from evade Pics: ; by B. susauhee 
XXXIV. On crystals of ee from Nevada a : 
by Joun M. Buake, - 
XXXV. On the Structure and Habits of Kiitcaligia Miilleri 
Bory, one of the core monadiform Protozoa ; by 
H. James-Ciark, - a 
XXXVI. Address of Prof. DeCandolle before i recent Hoan: 
ical Congress in London, . ‘ 
XXXVII. Caricography ; by Prof. C. ec . Scie 
XXXVIIL Mineral Notices; by Cuartes Urnam Sueparp, — i, 46 
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