The next No. 6f this Journal will be published on the first. , 
CONTENTS. 
| Art. XVIII. Second Report on Observations of the Aurora Boe 
realis, 1850-1851; by J. H. Lerroy, = - 
_ XIX. On the Arts and Manufactures of India; froma Lecture by 
_. Prof. Royze, : : 
a | XX. Abstract of a Paper on the Game of raat Somes 
“by Arcancero Scaccui, of — with observations, 
of James D. Dana, ~ - | 
‘i XXI. Further Remarks on Ventilation ‘ad tha Warming ae 
oe Rooms ; by S. Wexner, M.D., : - 
- KXIL Notes on the Use of the Zenith Telescope in Deterwiaiag: 
Latitudes in the Coast Survey, by Talcott’s Method, and on 
» the Reduetion of the Observations; by A. D. Bacns, => 
at Contributions | to bed re ina ; 2 eee 
oer awe M-D., 
2 ae Krrxwoop, - 
XXYV. On the Eruption of Mauna a Hawai Febroary, 1882; 
by Rev. Tirus Coan,  - * + . 
XXVI. On the Rocks of Canada; by idea W. E. Loca ad . 
pee ee SALTER, - - - 
XXVIL The Inverted eee new J Gin of iaroaepde 
with the Description of a New Eye-piece Micrometer, and 
a New form of Goniometer for epee the Perr 
