CONTENTS. gia, 
NUMBER CXLVII. 
P 
Arr. XVIII. Ebi Selective Absorption of Solar Energy ; 
AN 169 
; RDN, we tens ee anes shh 
XIX.—New loaaaty of the Green Turquois known as Chal- 
chuite, and on the identity of Sg eda with the Callais 
or Callaina of Pliny ; by W. P. Brags, .-2.-.-.-..-2. 197 
XX.—On portions of the Skeleton of a Wha le from gravel 
on the line of the Canada Pacific Railway, near Smith’s 
Falls, Ontario : by J,.W. Daws0my ooo) cous eae tae 200 
XXI.—The Cobwebs of Uloborus; by J. H. Et MERTON, -- -- 203 
saan —Glacial Drift in the Upper Missouri River Region ; 
WA A WRIT Rs cel asvodest bd i cha clea hee 
XXxIIL —Late Observations concerning the Molluscan Fauna 
and the eee extent of the Laramie Group; by 
2 
i ee ee ee eae er ee 
XXVL ae os ent depen of the Volcanic Phenomena of 
the Hawaiian Islands; by OC. E. Durroy,.---------.-- 2 
SCIENTIFIC INTELLIGENCE. 
Chemistry and Physics,—Isomorphism of ‘mass, KLEIN, ‘ her —Case of Physical 
Isomerism, LELLMANN: Nitr rogen Selenide, agp Srp pon of 
Carbonous oxide, Noack: Molecular compounds ace ‘and Na aphti e 
Ww 
Rarefied Air as a Conductor of Electricity, y serie Conference for the Adop- 
tion of a Standard Meridian and of a Standard Time. ntroduction nls 
Study of Organic Praness g A. PINNER, 232. Claes Kinematiee of Solid: 
“and Fluids, G. M. Mrncutn 
Geology and Mineralogy. gif scananys vies i the Neher Academy of Sciences, 
rts and Letters, 233.— an fossil-bearing metamorphic rocks in 
the region of “peng Belg eebictiok Asitee from Gloucester Co., New 
Jersey, G. F. Kun 
Botany ta alg y.—A propos gr ae ang - le Marquis de Saporta: _ 
Les P aie Testo ahaa VILMOR x & OtK, 235.—Colors of Flo owers, 
» ALL ——Direct ohestrebe on of the peat a oe ee 
Visavs, 37. —Stalked Crinoids of the Caribbean Sea, P. H. CARPENTER, 238.— 
Select from Embryological Monographs, A. Agassiz, W. Faxon, E. L. oe 
sping 239. 
Miscellane ous Scientific Intelligence —Cold of —) in Iowa, G. HryRIcHSs, ima 
Report on se the Climatic and ga tural Fea ete., of the Arid regions 
the Pacifi E. W. Hm . O. JONES, ah W. Furnas: peice a 
Naval Observatory 
and Saitecrccaion? pdeonare st of lg at af the vv. 8. 
Science, 240.— Obituary—Alexis Perrey, 2 
