. 
lV CONTENTS. 
YArchipel Hawaien, en 1868, 79.—Uebersicht der seit 1847 fortgesetzten Unter- 
suchungen iiber das von der ’ Atmosphiire unsichtbar getragene reiche —— 
coat : i 
—- leichfasslicht dargestellt: Revue de Géologie pour les années | 
a = 1868, 8 | 
NUMBER XIV. 
Page 
Arr. XII.—Observations on Encke’s Comet at the Dart- 
mouth College Observatory ; by C. A. Youne, .-------- 80 
XIII.—Note on the occurrence of the “ Primordial Fauna” 
in Nevada; by J. D. Wurrney, 84 - 
XIV.—Notice of the Address of Prof. T. Sterry fas before 
the American Association at Tudiena olis by J.D. Dana, 86 
XV.—On the Age of the Quartzites, ‘Rehists and. Conglom- 
erates of Sauk County, Wisconsin; by R. Irvine, ------ 93 
XVI.—On Canon Moseley’s views upon Glacier-motion ; by 
Pe or eee 99 
XVII.—The Hot t. Springs and Geysers of the Yellowstone 
and Firehole Rivers; by F. V. Haypen. With maps, 105 
oe GY tes on Granitic Rocks; b ne SrERRY Honr, - 115 
XIX.—Brief Contributions to ates m the Museum of 
Yale tne No. XVII.—Descriptions oe North Ameri- 
can fresh-water Leeches; by A. E. VERRILL,------------ 126 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics ——On a new double salt of Thallium, FriswEtt. 
: On the 
Aurine, DALE and ScHor ER the preparation of Camphoric acid, 
WwW N, 140.—O: Synthesis of Oxaluric acid, Henry: On the bapa 
aon of Cochineal, LIEBERMANN and VAN Dorp, 141.—On the Betaine 
Phosphorus Series, MEYER, 142. 
Geology pee Natural History. Geological Survey of Report of Progress in 
1870, NEWBERRY, &c., 143.—Geological Survey of Califo 144.—Note on the 
discovery of fossils in the “ wince i marble” at Scranton, Vt., E. BILLines, 
145.—Yale College con Sheers: to the Mountsins and ifie Coast: 
Discovery of a a in Massachusetts, ITCHCOCK 
Resources of North Caro ar tiny GeENTH, 146. Final Repor rt of the United States 
Geological Survey of Nebraska and portions of Rpt aces nt Territories, F. V. 
HAYDEN: Miers, Contrib ee to Botany, Iconographic and Descriptive, &c., 
147.—8. Watson, Botany of a Geological ager gee of the Fortieth Ponies 
a. hice King, 148. “Pants of Oregon, E. Hau: Saunders’ Ref 
—The Inflore or Powe in Euphorbia, 151. der seiacirer 
Noarlogy 1816. tl; it —Fish seek in the sea-weed of the Sa 
assiz, 154.—On 
Ill 
: ' sadly 
e American Naturalist, 156. __Anatomisch-system atische, Theat schreibung der 
Alcyonarien, erste Abtheilung, &c., A. K6uu1KER: Supplement to the Ophiuridz 
AN, 157. 
Astronomy.—Stellar Photography, 157.—Eclipse of the Sun of Dec. 12th, 158. 
Miscellaneous Scientific Intelligence.—Chi Academy of Sci Th tural 
Sciences in Public Schools, 158. ies : ee 
Miscellaneous Bibliograp. _ Treatise on the Origin, Nature and Varieties of 
Wine, W. TuupicHum and A. Dup 159.—Journal of the Anthropological 
Institute of New York : Organic Philosophy, H. DoneRry: Maps of the Geyser 
Region of the Yellowstone and Firehole Rivers, 160. 
