lv CONTENTS. 
Miscellaneous Scientific Intelligence—The American Museum of Natural History, 
N. Y., T8.—Note‘on the recent Botan of Bald Mountain, North Carolina, 
F. H. BRADLEY, 79.—Fluctuations in the Great Lakes: Chemical Centennial, 
Aug, 1, 1874: Topographical Atlas, to illustrate explorations of surveys west of 
the 100th meridian: Annual Record Science and Industry for 1873: Moun- 
tain Sculpture in the Sierra Nevada, 8 
NUMBER LXIV. 
Page 
ART. Ix. —Researches in Acoustics; by Atrrep M. Mayer, 81 
X.—On the so-called ee loam from the Ce Silurian 
of Ohio; ‘by J. 5. NewRenry,. 9 occ ceueice nance 110 
XIL—A ee . apen the Consteaneaie Hypothesis ; by 
Ci. B. Duvron,... i. nslaxn moun eee ee ea 113 
<U,-Desetetions of two new Species of Fishes from the 
Bermuda Islands; by G. Brown Goopr 123 
XII.—On an see method of ee the Vibrations ae 
Solid Bodies; by Ocpunw N. Roop... ayan ee 
XIV.—The Pinenteotea ie aie a Moeey, insossse< 50 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics.—The so-called Antimony blue, Krauss: On the Alloys of 
Hydrogenium with Palladium, Potassium and Sodi Troost and Ha 
UILLE, 132.—On 
Qualitative Chemical Analysis Milk oC nba “= se 
Busen’s Flame Reactions, 140. 
and Natural History. Addition to the Paper “ yee gpd od an et 
to develop its true Origin and Cosmical Relations; a OBERT MALLETT: Meta 
Champlain Pe’ 2 
Fossil Elephant and Seieedin: Ms Oalfare a, 143.—Bulletin of the Cornell Unie 
ie . ‘. £ lia: 
ire alla :. 
Note on Prof. J. Lawrence Smith’s collection of his Memoirs; by Gorge J. 
Brusu, | 144.—Cuarto Appendice al Reino Mineral de Chile i de las As sates 
vecinas, publicado eu la segunda edicion de la Sage ge se de Ienacr 
Sangre fete On Livingstonite, a new miner y MARIANO Sauna 145. ‘a 
On the Plagopterinze sud boo Ichthyology or Und, by E. D. Cope: Annotated 
List of the Birds of Utah; by H. W. HensHaw: Bulletin of the Buffalo Society 
of Natural Science ces: meoy ol the er oe b s : 
M: 
Doctri fN LI 
150.—Annual Address of the oss iden of the Na radi Histo story ‘gece ce of Mon- 
treal, J. a Dawson, 151.—Robert coalition rth and his Collections, 155. 
Astronomy. lariscopic a of Coggia’s Comet: Spectrum of Oogeie 8 
Comet, ey nor cheat of the Aurora Borealis made by M. E. ‘Wine 157. 
ts) um gh nad zy 
logy: Geological Survey of Hokkaido, by H. S. Munzoz, 158.—Sup- 
aux Notes sur les Tremblements de Terre ressentis de 1840 a 1868: 
