332 C. A. Young—Bright lines of the Chromosphere. 
sons supposed to be on the verge of apoplexy from excessive 
heat, may be pointed out as scientific desiderata. 
In the Philos. Trans. for 1792 are to be found some curious 
experiments by Dr. James Currie, on the cooling of the human 
hatha. He carried the reduction of temperature 
as low as 88° Fah., and this seemed, from the symptoms pro- 
duced, to be as far as the heat of the body could be reduced 
with safety. It is to be hoped that some one may supplement 
these researches by experiments in the direction of the elevation 
of the animal temperature.. . 
Art. XLIT.—Preliminary Catalogue of the bright lines in the Spee- 
trum of the Ch here; by C. A. Youne, Ph.D., Professor 
of Astronomy in Dartmouth College. 
within the past four weeks. It includes, however, only those 
which have been seen twice at least ; a number observed on 
prisms. The instrument distinctly divides the abies iron et 
at 1961 of Kirchhoff’s scale, and separates B (not ) ee 
three components. Of course it easily shows everything ¢ 
of 
appears on the m maps irchhoff and Angst 
he adjustment for “the position of minimum deviation : 
automatic; i, rent portions of th frum 
€ telescope to which the spectroscope is attached is ot 
new +quatoreal recently mounted in the observatory of . 
College by Alvan Clark & Sons. — 
It 18 a very perfect specimen of the admirable optical x 
ee rated and h 
In the table the first column contains simply the reference num 
: ber. An asterisk denotes that the line affected by it has no 
marked corresponding dark line in the ordinary solar spe 
