CONTENTS. | 
Page 
ART. a a Characteristics of the North American ae 
Flora; by Asa Gray, Le Sl a 323 | 
XL. —Caltonbite in the Black Hills of Dakota ; by Wa. P. 
340 
eee ee ee ee ee 
XLI. —Spectro-pliotometric study of Pigments; by Epwarpd | 
342 | 
i 
of 
XLII. —Critcisa of Becker’s Theor y of. Faulting; by Ross 
We a ee 348 | 
MIE ee? ome between Sea and eno tas Climate q 
with regard to Vegetation; by M. Leo Sa 354 | 
XLIV. = remeeal Affinity; by ‘Joun W. ‘te sa aey Rees 4 
RLV: gy between the Blectrimotive ‘force. of S 
Dan fell and 
dear RELA 
XLVIL—Notice'of the ea Marine Fauna ocenpyin 
ue — banks off the aah te Coast of New England, 
chy A: iw Verb Cee 77 | 
isis Note on the Cocina and Stony Point. Horn- : 
blendic and Augitic rocks; by James D. ‘Dani, >: ane 
SCIENTIFIC INTELLIGENCE. 
Phyescs: —National ecu isin of Electricians, 3 Des Teecrmniantion: r Vi 
density of bodies with low boiling points and bodies Ww vith high boiling pe 
Normal elements fos, eocciecie metric neni —— 390. Wavelengths in the = 
Infra-red portion of f the solar spectrum, 3 Ce aie 
Geology and Natural rear 9 —Unti stata te ber die ‘Botatehuny 
linen Schiefergeste teine, J. LEHMANN, (392. pe on the origin 
os the North American — 
| Miscl cellaneous Scientific 
eo 4 with 3 nai s to Geodetic od ad coe cance ot eae 
“  Wrieat: Meeting of the ay Sele ery Sie Oe 1 0c 405.— 
a ye National A, of | : Be at New ah Ls .. Oc ber t 
