iv CONTENTS. 
Page. 
XU1.—On the Aurora seen in New York, April 15, 1869; 
‘by W. S. Gitman, Jr., 
XIV.—Contributions to Zoélogy from the Museum of Yale 
College. No. I—Descriptions of a remarkable new | 
J elly-fish and two Actinians from the coast of Maine; 
by A. E. Verrii1, 116 
SCIENTIFIC INTELLIGENCE. 
Physics and Chemis a a observations of the Sun, Lockyer, 121.—On ~— 
the existence of a stratum giving a continuous spectrum between the chromo- j 
sphere and the sun’s ab: On a new alkaloid isomeric with toluidine, 123. ce 
Bogie and G 2 ar eee from “Report on the Precious Metals,” by W. 
P. BuaKke, 126.—Not the origin of Bitumens, together with a. 
upon the Ss sation: Py Aestalsinn: 8. F. Peckuam, 131.—Paleontology of the 
Geological Survey of California, J. D. Wuirney, 185,—Reliquiz ial 
1 
anew locality of son, em ie sae A. Fonpa: Révue de Géologie pour les an- 
sig 1866 et 1867, par M. DEL : Etudes sur le Métamorphisme des Roches, 
LESsE: L ecestidon ing genre Arethusina Barr.; II. Faune Silurienne 
‘Sin environs de Hof, en Baviére, par JoAcHIM BaARRAND n, 138. 
oology.—On some of the more recent works upon Annulata, 139.—Mémoires pour 
servir d la Connaissance des Crinoides Vivants, par MicHarL Sars, 142.—Contri 
butions to the Natural History of the erniadas: Coralliaria, by J. MaTTHEW 
J 
3.—The Butterflies of North America, with colored Drawings and De- 
scriptions, by Wm. H. E ps: American Cervus, by Joun D. Caton: seme 
vations on the Genus Unio, together with descriptions of new species in th 
family Unionide, and descriptions of new species of Melanide and Paludina, oe 
Isaac La, 144. 
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Miscellaneous Seientifie Intelligence—Remarkable Meteor of May 20th, by Prof. E. 
Loomis, 145.—Meteor of May 20th: Aurora Borealis of the igen o April 15th : 
American Association for the Advancement of Science, 146.—List of papers read 
before the National Academy of Sciences at its April Session, 1869, 1 
Miscellaneous Bibliogr —The Yosemite Guide Book, 148.—Investigations in the 
Military and Anthroptogte Statistics of American Soldiers, by BENJAMIN AP- 
THORP Go 49.—Modern St agen of the Electric “sree, a faerie 
for Hlectiictati and Operat y Frank L. Pope: The Mississippi Vall its 
Physical Geogrph tuctakine tcl of the ‘Topography, Botany, drat 
ogy, and Mineral resources ; and of th the progress of development in 
tion and ba wealth, by J. W. Foster: The origin of the Seasons considered 
from a Geological point of view, by SamugL Mossman, 150.—Lecture Notes on 
_ Physics, by ALFRED M. Mayer: Strength of Iron parts of Steam Machinery, b; 
by J. D. Van Buren: Publications of the Geological Survey of California, a 
- Proceedings of Societies, ete., 152. 
