CONTENTS OF VOLUME L. 
Number 295. 
Art. IL—Correlation of New York Moraines with Raised 
Beaches of Lake Erie; by F. LEVERETT....------.--- 
Ii.—Compounds containing Lead and extra Iodine; by 
en somonis foe Lied Cbeedal! pelle eek ea 
III.—Estimation of the Halogens in Mixed Silver Salts ; by 
ie Gooer. ang, ©. PATRBANKS =._- _... 2... 8.2... . 
IV.—Pitch Lake of Trinidad; by S. F. Prcxkuam....--_--- 
V.—Determination of Selenious Acid by Potassium Perman- 
ganate; by F. A. Goocu and C. F. CLEemons -.----- 
VI.—Some Reptilian Remains from the Triassic of Northern 
Saiiemia= by J. ©, MmrRiaAm .~ 20.05.2922 .222025- 
VIi.—Further Contribution to our knowledge of the Lau- 
rentian; by F. D. Apams. (With Plates I and II)-.-.- 
SCIENTIFIC INTELLIGENCE. 
Page 
5] 
55 
58 
Chemistry and Physics—Correction to the paper on Argon, Prout’s Hypothesis 
and the Periodic Law, E. A. Hitt: Porosity of solid bodies for the Light 
Ether, ZEHNDER, 70.—Wave length of the Ultra Violet lines of Aluminium, C. 
RuNGE: Electrical Resonance, V. BJERKNES, 71. 
Geology and Mineralogy—Geological Survey of Michigan, 71.—Geological and 
Natural History Survey of Minnesota, 72.—Doctorate Theses in Geology, 73.— 
The Laccolitic Mountain Groups of Colorado, Utah and Arizona, W. Cross: 
Petrographical Sketch of Aegina and Methana, H. 8. WasHiIneron: Geologische 
und geographische Experimente, HE. RryER, 74.—New locality for Xenotime, 
Monazite, etc., on Manhattan Island, W. Niven: Brief notices of some recently 
described minerals, 75.—Note on a Garnet from California, F. W. CLARKE, 76, 
—Physikalische Krystallographie und Hinleitung in die krystallographische 
Kenntniss der wichtigeren Substanzen, P. Grora, 77. 
Botany—Die natirlichen Pflanzenfamilien: Familiar Flowers of Field and Gar- 
den, F. S. MaTHEWws, 78. 
Miscellaneous Scientific Intelligence—Cambridge Natural History, vol. 
ili; 
Molluscs by A. H. Cooke: American Association for the Advancement of 
Science, 79. 
Obituary—JOSEPH GRANVILLE Norwoop, M.D., LL.D., 79. 
