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Art. XVIIL —Second Report on Observations of hy Aurora 
Borealis, 1850-1851; by J. H. Lerroy, Capt. R. A., being a 
Circular Letter to officers of Honorable Hudso ae hag Com: 
é. pany, dated Magnetical Observatory, ‘Toronto, Ape 13, 1852. 
M obliged to adopt the same method as before of waists 
vith the gentlemen from whom I have requested observa- 
the Aurora, namely, by a circular, to save the needless 
repetition in private letters of the information Mie it is incum- 
beut upon me to give, of the result of those of the first winter. 
Registers of aurora have reached me from the following quarters: 
@ Pets Rivers. oo. 0 5 October 1850, to ig aGO8, sss 55s Mr. A. Peers. 
s — CODE Sa ee January to May ino Bee — 
rt Good Hope, ..... November 1859, oi Eger 5 Mr. McBeat 
a a Fort Confidence, ....+ October 1850, to April 1851, ...... Dr. Rae. 
@ Fort Simpson, ....... October 1849, to May 1850,....... Dr. Rae. 
map eae September 1850, ........+e eee ees Mr. Bernard Ross. — 
@ Pelly and Lewis, ..... December 1850, to April 1851, . f eet: Ss * = 
Wyau,..... November 1850, to April 1851, .... Mr. J, Anderson. 
b Moose Factory, .....- June 1850, to March 1851, .....--- r. Clo 
6 3 Falls, ....2% _ September 1850, to March 1851, ... Mr. Wilson, 
b Nipegon to April 1850; .<c5--2-.---> Med J 
é er ea Sarg .... July 1850, to March 1851, ...-.--- . Colin ns 
é Michipicoton, :.....+5 1849, to July 1851, ..... Mr. Sw 
To sack and all of these gentlemen, as eat as to those whi 
may have kept journals which have not yet reached me, I beg to 
tender my warmest thanks. ca 
attention displayed by many of the registers, and their interest 
has fully sae my expectations. Without meaning to draw’ 
invidious isons, I cannot deny myself the - of e = 
“Seco Sai, va ay No. 41.—Sept., 1852. 
