CH. F. Peters—Discovery of a New Planet. 281 
fore, not until Prof. Orton found a broken specimen with 
portions of the two valves united, and showing this process in 
place, that I was aware that the dorsal valve has its beak so 
incurved as to give this cardinal process an oblique forward 
direction within the other valve. Hven then n, however, it seems 
to touch the bottom of the ventral valve. 
The specific name is given in honor of Prof. Edward Orton, 
who discovered the only specimens of the species known 
Locality and eal —Summit of the Clinton group, near 
_ 28e 
by Mr. ay 7 “Miller of that ci ty, there are two exam 
Orthis, agreeing in form and general appearance with O. plicatelia, 
but differing in bei gens @ larger, and in havin 
ith the beak of 
are 
see in plicatella as andl pte foun TS giv 
Shell a esto appearance that leads me to to think i it will emai 
be found to belong to an entisecribed species. As I know nothing 
Arr. XXXVIL—Discovery of a New Planet; by 0. H. F. 
Perers, From a wer Nod Litchfield Observatory, Hamil- 
ton College, August 2 
Lasr night another new planet came into my view. It is 
tather bright, and about the 10th magnitude; the following 
Positions were dete bene 5 
1872, B. c. ug t a a) é ou) 
8 
Aug. 23, 12 98 6 2291 .2959  —T7 18 288 (10 comp.) 
1392 49 92912164  —7 18 42:3 ( 5 comp) 
Whence its daily motion is inferred to aA Pat 51s in iene 
*Scension, and 6’ in declination toward the south. 
Am. Jour. Sc1.—Tummp Serres, Vor. IV, No. 22. paty oo 
18 
