CONTENTS. 
NUMBER CV. 
Arr. XXX. On American Devonian; by J. W. Dawson, . 
XXXI. On the Flora of the Devonian Period in Northeastern 
America; by J. W. Dawson, LL.D., F.R.S., - . : 
XXXII. On the nature and advantages of the Globe Lens dag ss 
Photographic Camera; by CoLeman SELLERS, - 
XXXIII. On the Glacial origin of certain Lakes in Swnwerunds 
the Black Forest, Great Britain, Sweden, North America, 
and elsewhere; by A. C. Ramsay, F.R.S., etc 
XXXIV. Lucernaria oe oe of Acalephie ; ch Pro. 
Henry James Ciar 
XXXV. On the use of = isms of Flint Glass and Bisuphid of 
carbon for Spectral Analysis; by Prof. O. N. Roo 
XXXVI. On certain ee prone tgs by Revolving somes ; 
by Prof. O. N 
XXXVII. Abstract ie aN of a Magnetic Survey of ek 
vania and parts of adjacent States in 1840 and 1841, with 
some additional results of 1843 and 1862, and a amps : by 
A. D.Bacuk, LL.D., F.BS., cic..: = 
XXXVIII. On some em inne Sse os Coal Formations nf 
North Aion ; by Leo Lesquere 
XXXIX. On © Oceanic species of Proezoans related to the 
Spouse by James D. Dana, - 
XL. Key West Physical Notes.—Zodiacal | Light: Micaghana 
Aa at 388.—Gulf Stream Cloud Bank, 389.—Ray 
Bands, —Northers, 392.—Hurricanes, 393.—Ventila- 
tion, 394 acvenoe Fever: A Water Moonrise, 395. 
XLI. Observations upon some of the Brachiopoda, with refer- 
ence to the genera bel pon, ss — ~~ S 
allied forms ; ; by Ja 
vii 
XLII. Scientific Gecamesonls ms Lonet on lad ML re 
UTHERFURD,—1l, Companion to Sirius: 2. ar Ses ny = 
8. The Spectroscope, 407.—4. Analysis of the 
line D, 408.—II. On the Sat al oy the ce = in a 
letter from Prof, Gro. C. ScHar 
SCIENTIFIC INTELLIGENCE. 
s 
and Diacon: Canubatien ions to spectral analysis, BorTrcer: On 
diu — m Fizean, 414.—On the indices of refraction of fluid. homologots compo 
& eas 
Scaiies Ae Set t line, Hormann, 417. 
“ee 
