50 



Adams, J. L. rtaniel's comet, 1907d. 

 London, J. Brit. Astr. Ass., 18, 190S, 

 (290-291). [6(^00]. 12370 



Adams, Walter S[ydney]. Sun-spot 

 lilies in the spectrum of Arcturus. 

 Astropli. J., Chicago, 111., 24, 1906, (69- 

 77). [7120 8100 8120]. 12371 



Spectrographic observa- 



Aitken, R[obert] G[rant]. Observations 

 of the eclipses of Saturn's satellites. San 

 Francisco, Cal., Pub. Astr. Soc. Pac, 

 17, 1905, (189-190). [6560]. 12384 



More new companions to 



tions of the rotation of tlie sun. Astroph. 

 J., Chicago, 111., 26, 1907, (203-224, 

 with diagrs., tables). [4640]. 12372 



V. Hale, G. E. 



Adler, Cyrus. Samuel Pierpont 

 Laugley. 1834-1906. Washington, 

 D.C'., Proc. Acad. Sci., 10, 1908, (219- 

 221). [0010]. 12373 



Agassiz, G. R. Mars as seen in the 

 Lowell refractor. Pop. Sci. Mon., New 

 York, N.Y., 71, 1907, (275-282, with 

 text fig.). [5800]. 12374 



Aitken, R[obert] G[rant]. Visual 

 observation of satellite VI to Jupiter. 

 San Francisco, Cal., Pub. Astr. Soc. 

 Pac, 17, 1905, (23-24). [6550]. 12375 



The comets of the year 



1904. San Francisco, Cal., Pub. Astr. 

 Soc. Pac, 17, 1905, (25-26). [6600]. 



12376 



Note on two interesting 



binaries in Cetus. San Francisco, Cal., 

 Pub. Astr. Soc. Pac, 17, 1905, (26-27). 

 [7510]. 12377 



Note on the binary stars 



208 and /3 524. San Francisco, Cal., 

 Pub. Astr. Soc. Pac, 17, 1905, (70). 

 [7510J. 12378 



Note on comet e 1904. 



San Francisco, Cal., Pub. Astr. Soc. 

 Pac, 17, 1905, (70-71). [6600]. 12379 



New companions to three 



Struve double stars. San Francisco, 

 Cal, Pub. Astr. Soc. Pac, 17, 1905, 

 (112). [7520]. 12380 



— Note on Secchi's com- 

 panion to 2 2481. San Francisco, Cal., 

 Pub. Astr. Soc. Pac, 17, 1905, (113). 

 [7510]. 12381 



• New companions to known 



double stars. Sau Francisco, Cal., Pub. 

 Astr. Soc. Pac, 17, 1905, (131). [7520]. 



12382 



The motion of 13 Ceti=Ho 



212. San Francisco, Cal., Pub. Astr. 

 Soc. Pac, 17, 1905, (159). [7510]. 



12383 



known double stars. San Francisco, 

 Cal., Pub. Astr. Soc Pac, 17, 1905, 

 (192-194). [7520]. 12385 



A double-star problem. 



[95 Ceti.] San Francisco, Cal., Pub. 

 Astr. Soc Pac, 18, 1906, (70-73). 

 [7510]. 12386 



Note on the comets dis- 

 covered at the Lowell observatory. 

 Sau Francisco, Cal., Pub. Astr. Soc. 

 Pac, 18, 1906, (83-84). [6600]. 12387 



The nebular hypothesis. 



San Francisco, Cal., Pub. Astr. Soc. 

 Pac, 18, 1906, (111-122). [1860 1790]. 



12388 



Stability of the 36-inch 



equatorial of the Lick observatory. 

 San Francisco, Cal., Pub. Astr. Soc. 

 Pac, 18, 1906, (224). [2000]. 12389 



Three new rapid binaries. 



San Francisco, Cal., Pub. Astr. Soc. 

 Pac, 18, 1906, (227). [7520]. 12390 



The duplicity of the 



principal component of S 2348. San 

 Francisco, Cal. Pub. Astr. Soc. Pac, 18, 

 1906,(^227-228). [7510]. 12391 



New companions of two 



Struve stars. San Francisco, Cal., Pal). 

 Astr. Soc. Pac, 18, 1906, (251). [7520]. 



12392 



Note on S 2028 (Rej.). 



San Francisco, Cal., Pub. Astr. Soc. 

 Pac, 18, 1906, (272). [7510]. 12.393 



A new variable star. San 



Francisco, Cal., Pub. Astr. Soc. Pac, 

 18, 1906, (312). [7600]. 12394 



Alauda, C. Die theoretische Er- 

 mittelung der Sonnen- und Mond- 

 parallaxe nebst einem Anhang iiber die 

 astronomische Ermitteluug dieserParal- 

 laxen. Wien (Teschen), Leipzig (Karl 

 Prorhaska), 1908, (35). 24 cm. [0220 

 4050]. 12395 



Albreclit, S[ebastian]. Observations 

 of the sixth satellite of Jupiter. San 

 Francisco, Cal., Pub. Astr. Soc. Pac, 

 17, 1905, (130). [6550]. 12396 



Photographs of Nova 



Aquilae No. 2. San I'rancisco, Cal., 

 Pub. Astr. Soc. Pac, 17, 1905, (158). 

 [7600]. 12397 



