Descriptive Astronomy. 



229 



8200 



Watts, W. ilarshall. An introduction 

 to the study of spectrum analysis. 

 London (Longmans), 1904, (vii -f 325, 

 with pL). 22 cm. [Reviews] Obser- 

 vatory, London, 27, 1904, (374-375;; 

 Nature, Loudon, 70, 1904, (575). 



Whetham, William Cecil Dampier. 

 The recent development of physical 

 science. (2nd Ed.) London (^lurravX 

 1904, (XVI + 347). 20.5 cm. [Review] 

 Nature. London, 71, 1905. (291-292). 



8010 



STARS. 



Stars having sjiectra of Class B. 

 Cambridge, Mass., Ann. Obs. Harvard 

 Coll., 56, [1904 ?], ([27]-;37T). Separate. 

 29.8 cm. [7120j. 



8040 Comparison of wave- 

 lengths, intensity and width, 

 in different stars. 



Vogel, H[ennann] C[arl]. Untersuch- 

 ungen iiber das spectroskopische Doppel- 

 sternsvstem $ Aurigae. Berlin, SitzBer. 

 Ak. Wiss., 1904,(497-517). 



8050 Identification of Elements. 



La constitution chimique des etoiles 

 et de la terre. Ciel et Terre, Bruxelles, 

 1902, (571-574). 



Fowler, A . The spectra of Antarian 

 stars in relation to the fluted spectrum 

 of Titanium. London, Proc. R. Soc, 

 73, 1904, (219-225, with pL); reprint, 

 London, Mon. Not. R. Astr. Soc, 64, 

 1904, (Appendix 2), ([16H22], with pi.) ; 

 [abstracts]. Nature, London, 69, 1904, 

 (525) ; Observatory, London, 27, 1904, 

 (197-199;. 



Hartmann, J. Untersuchungen iiber 

 das Spectrum und die Bahn von 5 

 Orionis. Berlin, SitzBer. Ak. Wiss., 

 1904, (527-542). 



8080 Physical Constitution 

 Pressure, Temperature . 



Comstock, George C[ary]. The mass 

 of Si) I'egasi. Astroph. .J., Chicago, 111., 

 17. 1903; (220-223). 



Kbvesligethy, K[adi)j vou. L'eberdas 

 .Spectrum der Himmelskorper. Vor- 

 trag . . . Math. -uatw. Ber. Ungam, 

 Leipzig, 17 (1899), 1901, (127-165). 



Schuster, Arthur. The evolution of 

 solar stars. Astroph. J., Chicago, 111., 

 17, 1903, (165-200). 



8100 Classification. 



Fowler, A. Tlie classiiicationol stars 

 according to their temperatiire and 

 chemistry. Nature, London, 70, 1904, 

 (611-614, 63.5-637). 



Hale, George E[Uery . Ellerman, 

 Ferdinand and Farkhiirst, .J[ohn] 

 A[delbert]. The sj^jectra of stars of 

 Secchi's fourth type. Chicago, 111., Pub. 

 Yerkes Obs. Univ. Chic, 2, 1904, ([251]- 

 385, with pi.) ; Chicago, 111., Dec. Pub. 

 Univ. Chic, (Ser. 1), 8, 1903, (.[251]- 

 .■'..^5, with plX 



Hodgson, A. E. Stellar classifications. 

 Leeds, .J. Astr. Soc, 11, [190.3], (60-65). 



Lockyer, [.Joseph] Norman. Further 

 researches on the temperature classifi- 

 cation of stars. London, Proc. R. Soc, 

 73, 1904, (227-2.38, with pi.); reprint, 

 London, Mon. Not. R. Astr. Soc, 64, 

 1904, (appendix 2), !l23:-[::;4], with pi.). 



and Bazandall, F. E. 



The spectrum of y Cvgni. [Reprint] 

 Loudon, Mem. R. Astr." Soc, 54, 1904, 

 (appendix IV), ([155]-ri72]. with pl.\ 



8120 Study of special types of 

 Spectra. 



Hale, George Elhry], Ellerman, 

 Ferdinand and Parkhurst, .1 ohnj 

 A[delbert]. The spectra of stars of 

 Secchi's fourth type. Chicago, 111., Pub. 

 Yerkes Obs. Univ. Chic, 2, 1904, C251]- 

 385, with pi.) ; Chicago, 111., Dec. Pub. 

 Univ. Chic, (Ser. 1), 8, 1903, ([251]- 

 385, with pi.). 



8200 



NEBUL.E AND CLUSTERS. 



Perrine, C[harles] D[illon]. The 

 spectrum of the nebulosity s\irrounding 

 Nova Persei. Berkolev. Lick Obs., 

 Univ. Cal., Bull., No. 33, 1903], (32- 

 33); Astroiih. J., Chicago, HI.. 17, 1903. 

 (310-314). 



