Astronomy. 151 
Rosa Carolina L. The first and the sixth nts represent this 
sy ie the rest, at least in part, belong to 
par viflor a Ehrh. All the specimens sebean to be of this 
eon, vi the first sheet came from Muhlenberg. 
Rosa lucida Ehrh., came also in part from Muhlenberg. Cré- 
_ concludes that it is a very polymorphous type, and the union 
purviflora with it is apparently justified. But he is to con- 
ae the question in,a special article on the American Roses. 
Rosa nitida Willd. The first folio in the herbarium under this 
cover belongs to R. Sinica (laevigata Michx.), as ane! been already 
stated; the second, along with one specimen the species in 
question (as cleare du up by a specimen from che Botanic Garden, 
preserved in Link’s herbarium), contains two which are thought 
to belong to R. es ety oe 1e question, whether &. nitida can 
be a form of Z?. lucida, is rese 
Rosa oe Willd. The first folio contains R. Carolina, a slen- 
der specimen. ‘The second, probably the type of the species, Cré- 
pia s ie cnnces to be the “ R. blanda, auct., non Jacq. R. Solandri,” 
1 e., R. blanda Ait., to which the ‘present writer referred it. It 
may be worth noting that it was not “Torrey qui avait examiner 
Pherbier de Willdenow,” but his associate. 
We solicit for M. Crépin copious specimens of all our wild Roses, 
in all their forms, and from eve part of the country. To any 
who will thus contribute good materials for the monograph which 
he is engaged upon, oe ae will return critically eyo a 
mens of European Ros 
a 
Ill. Astronomy. 
1. A Catalogue of Auroras ghee from 1776 to ike in 
Labrador. (Communicated by CrevELAND ABBE.)—: e has 
lately come into my possession a abies ript volume of syphconee 
logical observations made at Nai n, Labrador, in 1776-1784, and 
at Okkak in 1778-1782. Portions of these observations "have 
been long ago made use of by meteorologists, but the complete 
series has never, that I am aware of, been reduced; indeed its very 
existence has been known to but few. At present, in view of the 
: he aN 
are noted in the journal of aservations omitting nny the 
teristics of the individual psi ges nces "The uroras are A opratse | 
described under the heads of “ Nord Lic Licht, ” “Nord Schein, 
“Bogen Licht.” In the ate case the directions and positions of 
the arcs a A die rally give 
The records were made cy the following observers : 
At Sain a Samuel Liebisch, 1776 Oct. 1 to 1780 Aug. 31; by 
vid Kriigelstein, spe Sept. 1 to 1784 July 31, anda note 
ase aurora of 1784 Aug. 1 
At Okkak, by Jens Hafen, from ns Oct. 1 to.1782 Aug. 3. 
