iy 



CONTENTS. 



SCIENTIFIC INTELLIGENCE. 



Chemistry and Physics.— On the production of very high temperatures, 105.— On a new 

 mode of forming ether and its homologues : On the equivalent of antimony : On the 

 detection of phosphorus in cases of poisoning, 107. — Sulphate of nickel : Specific 

 volume of compounds containing nitrogen : On the specific heat of some elements and 

 on the isomeric modifications of selenium, 108. 



Geology.— On Earthquakes in California from 1812 to 1855, hy J. B. Trask, 110.— Geo- 

 graphical Discoveries in Africa — Dr. Petermann's Mittheilungen aus Julius Perthes' 

 geographischer Anstalt, 116. — Notices of remains of extinct Reptiles and Fishes, dis- 

 covered by Dr. F. V. Hayden in the Bad Lands of the Judith River, Nebraska Terri- 

 tory, by Joseph Leidy, M.D., 118.— Notice of a new Fossil Genus belonging to the 

 family Blastoidea, from the Devonian strata near Louisville, Ky., by B. F. Shumard, 

 M.D., and L. P. Yandell, M.D., 120.— Reptilian Remains in the New Red Sandstone 

 of Pennsylvania, by I. Lea, 122. — On the composition of the Water of the Delaware 

 River, by Henry Wurtz, 124.--On the successive changes of the Temple of Serapis, 

 by Sir Charles Lyell, F.R.S., 126. — A Geological Reconnoissance of the State of 

 Tennessee, by James M. S afford, 129.— Fossii Fishes of the Carboniferous Strata of 

 Ohio : Cretaceous Fossils of Nebraska, 133. 



Botany and Zoology. — Journal of the Proceedings of the Linnaean Society, London, 134. 

 — Origin of the Embryo in Plants, 135. — Sexual reproduction in Algae, 136. — Martius : 

 Flora Braziliensis : Francois Andre Michaux, 137. — Prof. Win. H. Harvey : On three 

 new Ferns from California and Oregon, by Daniel C. Eaton : On a new species of 

 Dinornis, 138. — A new species of turkey from Mexico, 139. 



Astronomy. — New Planets : Elements of the Planet Laetitia, 140. 



Miscellaneous Intelligence. — Ozone, 140. — On Ozone in the Atmosphere, by W. B.Rogers, 

 141. — The Tides at Ponape, or Ascension Island of the Pacific Ocean, by L. Gulick, 

 M D., 142.— On a peculiar case of Color Blindness, by J. Tyndall, F R.S., 143.— 

 Information to Students visiting Europe, 146. — Geographical Society at Paris, 148. — A 

 Table showing the times of opening and closing of the Mississippi River, by T S. Par- 

 vin : Chemical Technology or Chemistry in its application to Arts and Manufactures, 

 by Dr. Edmund Ronalds and Dr. Thomas Richardson, 149. — Western Academy of 

 Natural Sciences, Cincinnati, O. : American Association for ti>e Advancement of Sci- 

 ence : Mantell's Medals of Creation : Transactions of the Connecticut State Agricul- 

 tural Society, for the year 1855 : The Art of Perfumery, and Method of obtaining the 

 Odors of Plants, by G. W. Septimus Piksse, 159. — Obituary. — Death of Dr. James G. 

 Percival, 150. — The late Dr. John C. Warren, 151. — Daniel Sharpe, Esq., 152. 



NUMBER LXV. 



Page. 



Art. XII. On the Measurement of the Pressure of Fired Gun- 

 powder in its Practical Applications; by William E. Wood- 

 bridge, M.D., - - - 153 



XIII. Description of the Wax-paper process employed for the 

 Photo-Meteorographic Registrations at the Radcliffe Obser- 

 vatory ; by William Crookes, Esq., .... 159 



