va CONTENTS, 
NUMBER X. 
Page 
Arr, XX XIL—On the Connecticut River valley Glacier, and 
other examples of Glacier movement —S the valle eys 
of New England; by James D. Dana,-_------------- 233 
XX XIII.—The Paragenesis ~~ Derivation a Copper and its 
associates on Lake Superior; by Rapuarn PuMPELLY,. 243 
XXXIV.—On roa de spoke:  Hatclenes Preparations by 
Sunlight ; J. 3; Wo00pwakd, 3 425562 ae 258 
XX EV Baron ettioal Measurements in Ecuador; by W. 
Reiss and A. Sripet, :.....- 2-2-2 ee 267 
XXXVIL—Inaugural Aadieas before the British Association 
at Edinburgh; by Sir Wm11am THompson, ---------- 269 
XXXVIL—On some new Silurian Crinoids and Shells; by 
sl a Sal hogan rad ph i ai ie eee Seep Ba, Pa ee Tn Or Mae Meta th 
F. B. Meek, 
XXXVIIL—Disco overy of anew Planet, and the Elements 
of the 114th Asteroid; by C. H. F. PETERS, -. - - 2 es 303 
SCIENTIFIC INTELLIGENCE. 
Physics. Reiger in Electricity, Inaugural-Dissertation for the attainment of 
: the Degree of Doctor of Philosophy at the eee tee University Gottingen, 
by Taomas R. etn 303.—Water unfrozen at a temperature 8°C. Bous- 
SINGAULT, 304. 
Geology and Natural History. —Glaciers: Tine of the Glacial epoch, 304,—Das 
Elbthalgebirge in Sachsen, von Dr. Hanns Bruno GEINITZ: Sieboldtia Davidi- 
ana: Bivalve ae: On the early pens of Terebratulina septentrionalis, 
by Epw.S. Morse cial Scratches ne Seratly 305.—Anthers of Parnassia: 
Journal of epee FBaclety (Botany), 3 
Miscellaneous Scientific Intelligence.—Twentieth Meetin of the epee Associa- 
tion for the Advancement of Science, held at Indianapolis, Ind., August 16-21, 
1871, 307.—On the relation of the Auroras to Gravitating Currents, by PLINY E. 
Case, 311 
Miscellaneous ‘Pidography _—War and the Weather, or the Artificial production of 
Rain, by KE. POWERS, 313. a Text-Book of Meteorology, A. BucHAN: 
Dominican Republic, Report of the Commission of Doane to Santo Domingo: 
Sun-Pictures of Rocky 5 salons eae ery, F. V. HAYDEN, 
NUMBER XI. 
Art. XXXTX.—On some Phenomena of Binsediar Vision ; 
by Josern LeConrEe 315 
_ XL.—On the position rie height of the elevated Plateau in 
which the Glacier of New eo cid n the Glacial era, 
_had its origin; by James D. Dana, ---------------- 
—Variations in the peed a “of the Human Body ; 
es BP. Cane a eee 
. XLUL.—Preliminary ” Catalogue of the bright lines in the 
— er of the Chromospher; by C. A. Youns, _---. 
