YI CONTENTS. 



Botany and Zoology. — Journal of the Proceedings of ihe Linnsan Society, 281. — Synopsi* 

 Plantafura Phanerogaraicarum novarum cranium per annos 1851-1S55 clescriptarum, 

 auctore Dr. Carolo Mueller, or Walpkrs, 28G. — Bertoloni, Miscellanea Botanira, 

 237. — Pliycologia Australica, or Figures and Descriptions of Australian Seaweeda : 

 Imiigofera Caroliniana : The Crustacea and Echinodermata of the Pacific Shores of 

 North America, by Wm. Stimpson, 283. 



AT^ro»om^ —New Planets ; Second Comet of 1857: Third Comet of 1857 : New Comet : 

 Zodiacal Light, 283, 



Miscellanf'ous Scientific Intelligence. — The Schuyler Tornado, Oneida County, New York, 

 gyO. — Examination of a Nickel Meteorite, from Oktibbeha County, Mississippi, by Wm. 



J. Taylor, 293. — Meteoric Iron of Mexico i Meteoric Slone, 295, 2%.— Cabinets of 

 Minerals for sale : Ray Socieiy, {established in 1814) for the publication of works on 

 Naiural History, 296.— 0&i7«a/-y.--Pror. Elisha Mitchell, 299.— Climatology of the Uni- 

 ted Slates, by Lorix Blodget, 299. — Exploraiions in the Dacota Country in Ihe year 

 1855, by G. K. Waruen : Maury's Wiad and Current Charts, 300. — Smithsonian Report 

 for 1856 : Proceedings of the American Association for the Advancement of Science, 

 lOih Meeting, at Albany : Eleventh Meeting of the American Assocation, 301. 



NUMBER LXXII. 



Page. 



Art. XXII. Thoughts on Species ; by James D. Dana, - - 305 



XXIII. Preliminary Researches on the alleged Influence of Solar 



Light on the Process of Combustion ; by Prof. John Le- 



CoNTE, ---.----. 



XXIV. Researclies upon the Influence of Sulphur upon Iron and 

 that of Phosphorus in partially neutralizing the action of the 

 Sulphur; by M. Janoyer, .--•-- 



XXV. On a Subsidence of the Land on the Sea-coast of New 



317 



330 



Jersey and Long Island ; by Prof. Geo. H. Cook, • - 341 



XXVI. Biographical iMemoir of William C. Redfield ; by Prof. 



Denison Olmsted, 



XXVII. Observations on ihe Zodiacal Light at Quito, Ecuador, 



355 



with deductions ; by Rev. George Jones, - - - 374 



XXVIII. On a New Source of Electrical Excitation ; by Mrs. 



Elisha Foote, . - . - . . . . 



XXIX. On the Quantitative Assay of Chromium by Blowpipe 



386 



Processes; by Eugene \V. Hilgakd, Ph.D. - - . 3S7 



XXX. Remarks on Fluorine: Action of Acids on Glass; by 



Jerome Nxckle.^, 



XXXL On Fluoriferous Sulphuric Acid and its purification ; by 



Jerome Nickle?, - 



395 



397 



V 



