Soc, 65, 1905, (775- 

 7439 



Mon. Xot. E. Astr. 

 787). [7>'70]. 



Hirst, G. D. Presidential address [to 

 the 2se\\ South Wales branch] at the 

 annual meeting, 17th October, 1905. 

 London, J. Brit. Astr. Ass., 16, 1906, 

 (95-104). [0040]. 7440 



Hnatek, Adolf. Definitive Eahnbe- 

 stiuimung des Kometen 1826 V und Berech- 

 nung seines Voriiberganges vor der Son- 

 nenscheibe. Wieu, Denkschr. Ak. Wiss., 

 77, 1905, (213-254). [1130 6600]. 



7441 



Hoffmann, J. F. Einige Ursachen 

 und Folgen seukrechter Luftbewegungen. 

 Beitr. Gfophvsik, Leipzig, 6, 1904, (543- 

 559). [5000]. 7442 



Holetschek, J[ohann]. Encke'scher 

 Komet 1904b. Astr. Nachr., Kiel, 166, 

 1904, (351-352). [6600]. 7443 



Beobachtuugeu iiber die 



Grosse und Helligkeit der Enckescheu 

 Kometen 1904 b. Astr. Js^achr., Kiel, 

 167, 1905, (219-222). [6600]. 7444 



Beobachtungen iiber die 



Grosse und Helligkeit des Kometen 1904 1. 

 Astr. Xachr., Kiel, 167, 1905, (367-308). 

 [6600]. 7445 



Lutersuchuugen iiber die 



Grosse und Helligkeit der Kometen und 

 ihrer Schweife. 11. Die Kometen von 

 1762 bis 1799. AVien, Denkschr. Ak. 

 Wiss.. 77, 1905, (503-609). [6600]. 



7446 



Holmes, Edwin. Notes about the spec- 

 troscope. London, J. Brit. Astr. Ass., 16, 

 1906, U'^l-^'''")- [2200]. 7447 



Holz, A. L. Xeueste Eesultate iiber 

 "Weltkraft und Eadialstromung auf experi- 

 menteller Grundlage. Hot a. d. Saale 

 (G. A. Grau & Co"), 1904, (iv + 288, mit 

 2 Taf.). 23 cm. 6 M. [1050]. 7448 



Homann. Und sie beweci sich doch. 

 Weltall Berlin, 6, 1905, (137-144, 168- 

 175). [5000]. 7449 



Honnorat, Marius. La lumiere zodiacale 

 en 1902. Paris, Bui. Soc. astr. France, 

 1903, (170-673). [6720]. 7450 



La lumiere zodiacale. Paris, 



Bui. Soc. astr. France, 1904, (228-230). 

 [6720]. 7451 



Hooper, W. G. Aether and gravita- 

 tion. London (Chapman & Hall), 1903, 

 (xiii + 358). 23 cm [1830]. 7452 



Horn, Guido. Calcolo deU' orbita della 

 cometa 1889 IV. Catania, Mem. Soc. 

 spettroscop. ital., 33, 1904, (95-99). [1160 

 6600]. 7453 



Hough, G[eorge] W[ashington]. Eo- 

 tation period of Jupiter in 1869 and 1878, 

 Pop. Astr., Xorthtield, Minn., 11, 1903, 

 (114-117). [6040]. 7454 



Deteraiination of longitude 



on the planet Jupiter. London, Mon. 

 Xot. E. Astr. Soc, 65, 1905, (682-687). 

 [6040]. 7455 



On the physical constitution 



of the planet Jupiter. Pop. Astr., North- 

 field, Minn., 11, 1903, (63-79, with text 

 fig.). [6020 6040]. 7456 



On Jovian phenomena. Pop. 



Astr., Northfield, Minn., 11, 1903, (297- 

 299). [6040]. 7457 



Hough, S. S. Annals of the Cape 

 Observatory. Vol. xi: Southern circum- 

 polar researches. Part 2 : A catalogue 

 of 917 circumpolar stars derived from 

 photographs taken at the Eoyal Observa- 

 torv. Cape of Good Hope. Cape Annals, 

 11, [1905], (137-252). [7030]. 7458 



Howe, Herbert A[lonzo]. Xote on 

 Wolf's "new star" of September 21, 1903. 

 Astr. J., Boston, Mass., 23, 1903, (190). 

 [7600]. 7459 



Con-ection. [Visual redis- 

 covery of Eros by Dr. Chas. J. Ling, not 

 Herbert A. Howe.] Pop. Astr., North- 

 field, Minn., 11, 1903, (112). [5900]. 



7460 



A[n alleged] Texas meteor. 



Pop. Astr., Northfield, Minn., 11, 1903, 

 (166-167). [6650]. 7461 



A new life of Galileo. 



[Eeview of Gahleo: his life and work. 



By J. J. Fahie.] Pop. Astr., Northfield, 



Minn., 12, 1904, (80-89), [0010 2030], 



7462 



Hiittl, Karl. Die astronomische Geo- 

 graphic in der Volksschide. Jahresbericht 

 der K. K. Deutschen Lehrer-BUdungs- 

 Ans-talt in Briinn, 2, 1899-1900, 1904- 

 1905. Briinn, 1905, (25-60). [0050]. 

 7463 



Humphreys, W. J. On double reversal. 

 Astroph. J., Chicago, lU., 18, 1903, i204- 

 209, with pl.>. [4620]. 7464 



On certain methods of econo- 

 mizing the Kght in spectrum analvsis. 

 Astroph. J., Chicago, lU., 18, 1903, (324- 

 340), with pi. and text fig.). [2220]. 



7465 



Hussey, W[Uliam] J[oseph]. Observa- 

 tions of one hundred new double stars : 

 Seventh catalogue. Berkeley, Lick Obs., 

 Univ. Cal. Bull., No. 67, [1904], (180- 

 187). Separate. 30.6 cm. [7510]. 7466 



