vill CONTENTS. 
SCIENTIFIC INTELLIGENCE. 
— and ge —New Series ni om cain . A. SmirH: Reciprocal displace- 
oge 
Tron, DEMEL: alos Method of Producing Ketoasa Vow Becut: Production of 
Aurin, CLERM oe and FROMMEL, 480.—Radiometer, CROOKEs, 481.—The Magic 
tires of sate 483. 
Mineralogy. —The Cincinnati Group, 484.—Atlas to the Coal Flora of 
Pennsylvania, and of Cooniiones Palen 1 aie throughout the hg 9 States, 
L. LEsQUEREUX, 485.—Materialien zur Mineralogie Russland, von Nikolai von 
Kokscharow: Neues ieee ‘buch fiir aca eralogie, ye ie and "Paleontolagite 
Brief notices of some recently described minerals, 4 
Botany and Zoology.—Catalogue of the Dave oe stand of North — 
: T. —Can arly Am 
T.F. ALLEN, —Malesia: Raccolta di O 
interno alle Piante ett Atchipalago ee e Papuano, da O. BECCARI: 
Self-fertilization of 489.—Causes of the change in form of 
Etiolated Plants, tomas 
Astronomy.—Orbits of the binary systems, « Herculis and 298 Struve, BEEBE, 49 
—Report of the Observations of the Total Solar Eclipse, July 29, 1878, — a 
ort Worth, Texas, L. WaLpo: Catalogue of the Stars ob served. at the 
States Naval Observatory, during the years 1845-1877, M. earn 49) 
A and Meteorolo: ical Observations made sone the year 1875 “at 
the United States Naval — tory, C. H. Davis: On the prec of 
Brorsen’s Comet, W. H. M. Curistin, 496, 
Miscellaneous Scientific Intelligence. ect on Pagosa Springs, Colorado, CO. A. H. 
MoCavLeY: Notes by a pees eo on the *eaiaampane H. N. Mosety, 497.— 
National Academy of Sciences, 49 
InpEx, 507. 
ERRATA. 
Page 76, line 3 from top, after lines add, of faults; line 5 from top, for streets, 
rae straits ; line 2 from foot, for and, read one; line 3 from foot, for Velaine, 
Vélain; line 8 from foot, for Mont Alban, read Montalban ; ‘line 
foot heed or feldspar, read feldspars. Page 77, line 11 from foot, for von Hautken, 
parte 317, lines 25, 26 from top, transpose HO (comp.) and H.O (hygr.) 
