er ee 
CONTENTS. Vv 
XX.—Geological Notes on the Andes of Ecuador ; by Jamzs 
ORTON, 242 
XXI.—Observations upon Autumnal Foliage; by J OSEPH 
Weantenssi esiwe ids. 0s gd ees 251 
XXII.—On a Modified Form of the Nitrate of Silver Test 
for Arsenic Acid; by Cuartes E. Avery, 255 
XXIIL.—Notices of papers in eevee Chemistry ; ; by 
Grorce F. Barker. No. I 258 
XXIV.—A New Meteoric ae The Wisconsin Meteor- 
ites”—with some remarks on the Widmanstittian Fig- 
ures; by J. Lawrence Suira, 271 
SCIENTIFIC INTELLIGENCE, 
Physics and Chemistry.—On the wave lengths of the metallic rays, THALEN, 272. 
—On spectral Pata Gs 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 ties Gadi and nebule, etc., Hue@nys, 274. 
wmeralogy and G 'y.—Recherches Anatomiques et pnt a pour servir 
4 Vhistoire des Oiseaux fossiles de la France, par A. Minne Epwarps, 276,—Re- 
port on recent Explorations in the Gibraltar Caves, a Frep. Brome, 277.— 
by IL A. A. LarHaM: Reliqui ie Aivatbauriom, 279.—Gold in Scotland, 280. 
—o nd Zoology — —Field, Forest, and Garden Botany, a simple introduction to 
th on plants of the United States east of the Minion DP both wild and 
eatiivatea. by AsA Gray: Are Unios sensitive to ae ? — eby C. A. WHITE, 280. . 
—Critical on Haleyonoid Polyps; No. - VERRILL, 282.—On 
the Distribution of Gabe, th Fishes in the All gre of South West- 
rm Virginia, by E. D. Cope: Catalogue of the a and Batrachians found in 
the vicinity of Springfield, Mass., with Notices of all other ae known to in- 
habit the State, by J. A. ALLEN, 285.—Notes on Radiata in the Museum of 
— Padp No. 6.—Review of the Corals and Polyps of wed Coast of 
ca, by A. E. Verrini: Annual Report of the Trustees of the Museum of 
coo 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, ee 
Gynecological potest of Boston, 288.—Obituary.—Carl Friederich Philipp v: 
Martius, 288.—John © » 291.—Prof. ‘thondab Strong, 293.—James David 
Forbes: Dr. inrues, Ge 
Miscellaneous Bibli iography.— Handbook of Chemistry, for School and Home use, by 
W. J. Roure and J. A. Gieiet, 294.—Van Nostrand’s Eclectic Engineering | 
azine: Annual Report of the Board of Regents of the Smithsonian Institution : 
distribution 
oO 
y 
The Manufacturer and Builder: Blank Maps for marking the ion of 
Plants and Animals, 295.—Le Naturaliste Canadien, 296. 
Proceedings of Societies, 
