CONTENTS. vu 
NUMBER XVIL. 
Page 
Arr. XLU.—Recent Geographical work in the U. States,.. 321 
eageewhs Molecular and Cosmical Physics; by W. A. 
RTON, 
XLIV. sa new Sensitive Singing Flame; by W. E. Guymr, 340 
XLV.—I. On the Electro-motive — of Eqelde separated 
Membranes; by Joun TRowBRIDGE,.---2---~----- 342 
il. Demagnetization of Dinorrsanenata by Rozerr W. 
ELV —Uenons of Systematic N somes as for the higher 
groups; by Samuen H. ScuppE 348 
ae wees some new Spates of Palaonas Fossils; by E. 
XEVHL =-Prelintiaary Description of Hesperornis regalis, 
with notices of four other new Species of Cretaceous 
Birds; by. O.'C; Mamell,o os. 5000322 eu ki tL eee 360 
X.—On a proposed method of estimating gs Alcohol 
when present in Methylic Alcohol; by AREY Lea, 365 
L.—Discovery of a New Planet; by J amEs C. WatTson,... 367 
SCIENTIFIC INTELLIGENCE, 
Chemistry and Physics—On the aromatic phosphines, Hormann, 367.—On the 
products of the oxidation of the methyl- and ely -phosphins, 368.-On the 
compounds of Tungsten, Roscorz, 369.—On the mposition of Potassium 
Chlorate, BAUDRIMONT, 370.—A delicate Test for ‘Prona) eee 371.—On 
the Physiological ‘Action of et VoHL an 
adjacent Territory, HayDEN: Dana’s Mineralogy, Appendix to the 
tion, 375.—Bentham, Revision of the genus Cassia, 376.—Delpino, on the e Fer 
ta: 
of the Phenogamous Plants of the United States, etc.: Ilustrated Catalogue of 
the Museum of hcg Zodlogy, Lyman, 381.—Additional Note on the 
Rules of Nomenclature, VERRILL, 386.—New Zodlogical Pe eriodicals : East India 
Crustaceans, Woop-Mason: Greenland Meteorite, 388. 
Astronomy.—Recent auroral displays in the United States, 389.—Note on the 
Zodiacal Light, 390.—The American Eclipse Expedition: Aurora of February 
4th, 391.—A New Planet, Lutuer, 392. 
Miscellaneous Scientific Intelligence.—Topography xc the Punjab Oil Region, Lyman, 
392.—The Pacific Gulf Stream, 394.—On the Climate of Boston, R. T. 
Pate: Climate of the Post-tertiary, or Quaternary, after the Glacial era, 395.— 
Acer +8 aes PowkLL: Cruise of the Schoo! Lship ‘ con : = ae 
