some other shells; by W. E. LOGAN, F.R.S., and T. S. HUNT, 235
XXV. On a new Meteorite from New Mexico; by Dr. F. A. GENTH, 239
XXVI. Introductory Essay, in Dr. Hooker's Flora of New Zealand, 241
XXVII. On the relations which exist between Friction and Pres-
sure; by M. J. NICKLES,
XXVIII. Abstract of a Meteorological Journal, for the year 1853,
kept at Marietta, Ohio; by S. P. HILDRETH, M.D.,
XXIX. On the Eye and the Organ of Hearing in the Blind Fishes.
of the Mammoth Cave; by JEFFRIES WYMAN, M.D.,
Chemistry and Physics.-Bartlett's Elements of Analytical Mechanics, 271.-Darstellung
der Farbenlehre und optische Studien von H. W. Dové: Einleitung in die höhere
Optik von Dr. AUGUST BEER, 272.-Die Lehre von der Reibungselektricität von P. T.
REISS, 273-On the Absolute Zero of the Perfect Gas Thermometer, by W. J. MAC-
QUORN RANKINE, Esq.: Aridium, by CAMPBELL MORFIT and JAMES C. BOOTH, 274.-