_ Astronomy. 135 
pees on the sides. A brownish black band across the eyes, from top of 
a; to the angle of the mouth. 
Coluber mormon, B, and G.—Posterior Buea feed very large; vertical plate 
t {lone and very narrow on its middle; eyes larg 
nasicus, B, and G.—Minute ‘aud numerous frontal plates intend of two 
large pairs; two brown stripes over the head; temporal patch very broad. 
oN mon essay on the genus Phrynosoma,” by C. Girard, 
Next ny beautifully illustrated, ai containing the new species Pr. 
modestum, G. 
‘ Prof. Ha Haldeman’ s Report on Insects, contains see ag Aer we 25 new 
species, and is illustrated by two plates rep resenting 13 spec 
vat s Report is illustrated by nine plates, pendant as 
may spe 
7. A "New ‘Genus and Species of Crustacea; by James E1cuts.— 
This — species from the New South Shetlands, belongs to the 
family. It is remarkable for its gigantic size, the length being 
3t inches mi the breadth across the middle 1? inches. It is also pe- 
culiar in having the 6 anterior legs short and monodactyle or ancoral, 
while the 8 posterior are long, stout, triangulate, spinose, and end ina 
short claw, Superior antenne short, half the inferior in length, having 
a very short flagellum ; inferior pair ‘with a multiarticulate flagellum as 
long as the basal portion. Form of body oblong ovate. Abdomen 
Scinted, the last segment subtriangular with sinuato-arcuate sides, and 
subcarinate spy peed along the middle above. Thorax also some- 
what carinate along the middle of the back, and surface of segments 
uiptured : mandibles without palpi. The species is named by Dr. 
rae Alogi antarcticus. The paper is accompanied by “te 
plat representing a dorsal and ventral view of this 
ginal sad aii a separate view of the antennee.— Trans. Albany Ist 
ra 
¥. AsTRONOMY. 
. a New Plisnse ; (nieve: Jour, No: 50. )—On ani 19th of Septem- 
is ber, 1852, another planet, (the twentieth of the Asteroidal group,) was 
Xe by Prof. A. de Gasparis of ar troy It resem bled — star of 
Ns is 0s°73, and N. Deel. 1 53/ 0-6 
eile was discovered nove seg ier next day, by M. Chacornac of 
The Return of the Twin-Comet of Biela, (Astron. Jour., No. 49.)— 
Comet discovered Aug. 26, 1852, by Prof. Secchi of Rome, proves 
'0 be @ portion of the Shiba gH Biela on its expected return. In 
a letter to Dr. dated Rome, Sept. 16, 1852, he says, “| have 
he pleasure of announcing to you that | found this morning the other 
Portion of Biela’s comet. It was very faint, without a nucleus, and of 
Ie arongated ovoid form, ihe apex being turned away from the sun. 
pl oaciar the other part at a distance of about two minutes of time, 
ie Was about half a degree farther south. The extreme faintness of 
did second portion, and my fear of losing the obeervation! of the other 
one Permit me to ae a better observation. * The prin- 
wa the ‘comet did not continue to appear of on same a 
looked quite irregular and had two very faint t streaks : 
more luminous in the centre, but without any nucleus.” 
