Astronomy. i 
of the same facts as observed by him, and also a description of the per- 
fect insect as a new genus and species, with the name Miastor metraloas, 
The first of the two articles cited above, is a translation of a part of Dr. 
Meinert’s paper, with some remarks by Dr. Siebold, the editor, which, he 
says, was just completed when he received the second article, ’ This lat- 
ter is a well illustrated and detailed account by Dr. Pagenstecher of a 
similar larval multiplication occurring in another species of dipterous 
insect, 
It will be sufficient here, after calling attention to these articles, to 
give the principle fact confirmed in them. This is, that an insect larve 
perfect dipterous insect which laid eggs and started anew the circle of 
tere are some points not altogether agreed upon by the observers 
above referred to. One is as to the place and the material at and from 
which these larves are formed in the larve-stock. Dr. Meinert desc 
embryes that exist in a sort of pupa state within the mother-body, a 
Elements of Terpsichore @). 
= 1864, Oct. 23-0, B.m.t. i = 8° 45’ 43’0. 
M = 351° 31! 520, g = 7 82 38 4) 
=~ = 28 40 19 +2; e = «765-494. 
= 48 29 °3, log. a = 0°444043. 
ten, ew Comet—Another Comet was discovered on the 9th of Sep- 
tember by Mr, Donati, at Florence. It was very faint, and seen with dif- 
ficulty. “Mr. Celoria, of Milan, gives the following elements, computed 
from observations of Sept. 9th, 11th, and 13th: f 
He woke 
a. 
m= <= 00. Io 347%, 
i = 44 56 53 6, 
= __ 9787184, motion retrograde. 
. 
