INDEX TO VOLUMES I-X. 
121 
Page. 
Astronomy, List of papers on—Cont’d. 
on the transits of Venus, past and future. 
S. Newcomb. Title only . i 29 
on the heat of the sun. B. Peiree. Ab¬ 
stract ...'.i 31 
on the physical constitution of the co¬ 
rona of the sun. W. Harkness. Refer¬ 
ence . i 31 
on the spectrum of Enck^’s comet and 
the appearence of Tuttle’s comet. W. 
Harkness. Reference . i 34 
'on the astronomical proof of the existence 
of a resisting medium in space. A. 
Hall. Reference . i 34 
[on the spectrum of Encke’s comet.] \V. 
Harkness. Reference . i 34 
on the appearance of Encke’s comet as 
seen at Harvard College observatory. 
C. S. Peirce. Reference .1 35 
•on the density of the hypothetical resist¬ 
ing medium in space. W. Harkness. 
Reference..., ... i 39 
on the possibility of a universal atmos¬ 
phere. S. Newcomb. Title only . i 52 
on the discovery of new planets having 
especial reference to the asteroids. J. 
C. Watson. Title only . i 53 
[letter on solar eclipse.] Capt. Tupman. 
Communicated by W. Harkness.. No ab¬ 
stract . i 56 
[letters on Cordoba Observatory.] B. A. 
■ Gould. Communicated by J. H. C. Coffin 
and J. J. Woodward. No abstract . ;..i 57 
on the determination of the errors of a 
provisory catalogue of fundamental 
stars. O. Stone. Title only .1 02 
on the px’ogress of the construction of the 
new telescope for the Naval Observa¬ 
tory. S. Newcomb. Reference . i 62, 03 
■on our present knowledge of the planet 
Jupiter. W. B. Taylor. Title only . i 62 
maps prepared by G. W. Hil! for use in 
connection with the transit of Venus 
in December, 1874. J. H. C. Coffin. 
Reference . i 63 
■on stellar photometry. (\ S. Peirce. Ref¬ 
erence . i 63 
the proceedings of the commission to 
arrange for the observation of the next 
transit of Venus. S. Newcomb. Title 
only... . i 65 
a comparison of the thermometers used 
to determine the correction for at¬ 
mospheric refraction at the U. S. 
Naval Observatory. J. R. Eastman. 
Abstract .1 68 
Page. 
Asti'OMomy, List of papers on—Cont’d. 
on the results of astronomical observa¬ 
tions at Sherman Station, Wyoming 
Terr. R. D. Cutts. Abstract and refer¬ 
ence . i 70 
on the theories of the nature of comets' 
tails. B. Peirce. Reference . i 74 
on the general star catalogue prepared 
from the observations at the Naval Ob¬ 
servatory since 1845. M. Yarnall. Ref¬ 
erence .... . ■ .. i 74 
on the power necessary to drive the pend¬ 
ulum of an astronomical clock. W. 
Harkness. Title only... . i 74 
on a proposed method of observing astron¬ 
omical transits. E. Foote. Title otily..i 75 
the frequency of the occurrence of the 
zero and the nine digits in the tenths 
of seconds from the chronographic 
record of transit observations. J. R. 
Eastman. Abstract . i 85 
[letter on the Cordoba Observatory.] B. 
A. Gould. Communicated by J. J.Wood- 
ward. No abstract . i 83 
[letter on proposed observatory.] J. Lick. 
Communicated by J. Henry. No ab¬ 
stract . i 91 
a detailed account of the construction of 
the lenses and other interesting por¬ 
tions of the largo telescope now estab¬ 
lished at the Naval Observatoiy. A. 
Clark. Title only.,-....a..,.. . i 92 
on the determination of the personal er¬ 
rors in the observation of astronomical 
transits. J. E. Hilgard. Title only....i 92 
on comets and meteors. A. Hall. Refer¬ 
ence . i 94 
[the meteor of December 24, 1873.] P. 
Parker. No abstract . ..i 94 
j [letter on the meteor of December 24,1873.] 
B. Hallowell. Communicated by J. 
Henry. No abstract .. i 95 
on the adopted value of the sun’s appar¬ 
ent diameter. E. S. Holden. In full, 
i 95, (3) 
on various hypotheses in reference to 
space. C. S. Peirce. Title only . i 97 
on specimens of meteoric iron from Chi¬ 
huahua, Mexico, and the structure of 
meteorites in general. F. M. Endlich. 
Title only . i 98 
j on meteor trains, and the upper atm.os- 
phcrlc currents. J. Henry. Title only..I 08 
on the apparatus to be used in the observa¬ 
tions of the approaching transit of 
Venus. W. Harkness. Title only .1 102 
