SCIENTIFIC INTELLIGENCE.

Physics and Chemistry.-On the wave lengths of the metallic rays, TAALEN, 272.

-On spectral analyses: On a normal spectrum of the sun, FIZEAU: On the red

protuberances from the surface of the sun, 273.-Further observations on the

spectra of some of the stars and nebulæ, etc., HUGGINS, 274.

Mineralogy and Geology.-Recherches Anatomiques et Paléontológiques pour servir

à l'histoire des Oiseaux fossiles de la France, par A. MILNE EDWARDS, 276.—Re-

port on recent Explorations in the Gibraltar Caves, by FRED. BROME, 277.-

On Calamiteæ and Fossil Equisetaceæ, by WILLIAM CARRUTHERS : Geological

Map of New Jersey, by GEORGE H. COOK : New Geological Map of Wisconsin,

by I. A. LAPHAM: Reliquiæ Aquitanicæ, 279.-Gold in Scotland, 280.

Botany and Zoology.--Field, Forest, and Garden Botany, a simple introduction to

the common plants of the United States east of the Mississippi, both wild and

cultivated, by Asa GRAY: Are Unios sensitive to light? note by C. A. WHITE, 280.

-Critical Remarks on Halcyonoid Polyps ; No. 3, by A. E. VERRILL, 282.-On

the Distribution of Fresh-water Fishes in the Allegheny Region of South West-

ern Virginia, by E. D. COPE: Catalogue of the Reptiles and Batrachians found in

the vicinity of Springfield, Mass., with Notices of all other Species known to in-

habit the State, by J. A. ALLEN, 285.—Notes on Radiata in the Museum of

Yale College, No. 6.-Review of the Corals and Polyps of the West Coast of

America, by A. E. VERRILL: Annual Report of the Trustees of the Museum of

Comparative Zoology, 286.

Astronomy.-Meteors in August, 1868: Le Stelle Cadenti del Periodo di Agosto, os.

servate in Piemonte ed in altre Contrade d'Italia nel 1868: Error in Stanley's

Logarithmic Tables, 287.

Miscellaneous Scientific Intelligence.-Convention of American Philologists, 287.-

Gynæcological Society, of Boston, 288.- Obituary.- Carl Friederich Philipp von

Martius, 288.-John Cassin, 291.-Prof. Theodore Strong, 293.-James David

Forbes : Dr. Hörnes, 294.

Miscellaneous Bibliography.—Handbook of Chemistry, for School and Home use, by

W. J. ROLFE and J. A. GILLET, 294.-Van Nostrand's Eclectic Engineering Mag-

azine : Annual Report of the Board of Regents of the Smithsonian Institution :

The Manufacturer and Builder: Blank Maps for marking the distribution of

Plants and Animals, 295.-Le Naturaliste Canadien, 296.

Proceedings of Societies, etc., 296.