Astronomy. 495 
T and P., obtained by Klinkerfue’s first method did not, however, 
improve "the agreement. The ece oS is somewhat uncer- 
orbit prcieien is not efinitive. 
For the observed places used I am indebted to Mr. Burnham, 
“who kindly collected for me all the available material. 
# Herculis. 298 O =. 
rT 1873-4 18817 
P 225° years 79°2 
Q 4° 5° 58” 
T-Q 143° 62” 357 17 
a 10 66 35 
e “131 “585 
a 2"-69 123 
New Haven, April 5th. 
2. Report of the Observations of the Total Solar Eclipse, July 
29, 1878, made at Fort Worth, Texas. Edited by Lronarp 
Waxpo, Petrone os the Observatory of Harvard College. 60 
pp. 4to, with 4 plates.—The Fort Worth Eclipse party consisted 
n 
prisms. Profes «Pickering and Mr. Waldo consider that the 
double image photographs imply tangential polarization of the 
light of the coro 
Mr. Pulsifer observ x peed peep of the lines of ie ere 
gh e 
on ea el side. He hence infers a agitate thickness of rage 
ing layer of 524 miles 
3. Catalogue of Stars observed at the United States ‘Raval 
Observatory, during the years 1845-1877, and prepared for pub- 
lication by Professor M. Yarnatt, U. Ss. N ., by order of Rear 
Admiral Jonn Ropeers, U. 8S. N., Superintendent. Second edi- 
tion, revised and stereotyped, 280 pp. 4to. Washington, 1878,— 
The author of this Catalogue of Stars, Professor Yarnall, died on 
the 27th of February, 1879; he lived . ns last proof 
sheets of this work, fF not to see t in its completed 
form. This catalogue includes all the work pe at the Observa- 
unti iring shart r. 
