Miscellaneous Intelligence. 507 



Encyclopedia, founded by Dr. Toulouse, to which these volumes 

 belong, has already been remarked in this Journal. The pub- 

 lishers now present two volumes in the library of Astronomy and 

 Celestial Physics, of which the titles are given above, both by 

 F. Boquet of the Observatory of Paris. 



Opening it at random, we are attracted by the article on Self- 

 registering Micrometers, concluding with a description, clear as 

 the French language can make it, of the latest thing in Astro- 

 nomical Micrometers, the Micrometer Gautier, installed in 1903 

 at the Observatory of Paris, and since then in all leading observ- 

 atories of France. 



An illuminated thread is fixed on the star and travels with it, 

 contact being noted for this thread on a point of reference. 

 Greater accuracy results than by the traditional method of noting 

 contact of the star with a fixed thread. w. b. 



5. OstwalcVs Klassiker der Exahten Wissenschaften. Leip- 

 zig, 1908 (W. Engelmann). — Recent additions to this important 

 series are the following : 



No. 166. Entladung der Leidener Flasche ; intermittierende, 

 kontinuierliche, oszillatorische Entladung und dabei geltende 

 Gesetze. Abhandlungen von W. Feddersen (1857-1866). Heraus- 

 gegeben von Th. Des Coudres. Pp. 130, 3 plates and portrait. 



No. 170. Abhandlung tlber die Glycole oder zweiatomige 

 Alkohole und iiber das Aethylenoxyd als Bindeglied zwischen 

 Organischer unci Mineralchemie ; von Adolf Wtjrtz. Aus dem 

 Franzosischen tibersetzt und mit Anmerkungen versehen von M. 

 n. A. Ladenburg. Pp. 95, text figure. 



6. Catalogue of the Lepidoptera Phalamce hi the British 

 Museum. Volume VIII. Catalogue of the Noctuidoz ; by Sir 

 George F. Hampson. Pp. xiv, 583, with 162 figures ; also 

 plates exxiii-exxxvi. London, 1909. — This eighth volume of the 

 British Museum Catalogue of Moths is devoted to the second 

 part of the Noctuid subfamily Acronyctinoe. It includes 104 

 genera with 702 species, while the seventh volume (see v. xxvii, 

 p. 492), which preceded, contained 96 genera with 843 species. 

 There remain 171 genera, which will be discussed in the final 

 part of the subfamily, soon to appear. The text is accompanied 

 by a volume of beautifully executed plates illustrating' the spe- 

 cies described. 



7. Les Prix Nobel en 1906. Stockholm, 1908 (P. A. Nor- 

 stedt & Sons). — This recently issued volume presents the facts 

 in regard to the distribution of the Nobel prizes of 1906. It 

 gives portraits and biographical notices of the recipients, and 

 representations of the Nobel medals and diplomas. The prizes 

 in science were awarded to Joseph John Thomson and Santiago 

 Ramon y Cajal in Physics, to Henri Moissan in Chemistry, and to 

 Camillo Golgi in Physiology and Medicine. The volume closes 

 with the lectures deliver' d at Stockholm, in December 1906, by 

 J. J. Thomson, C. Golgi and Santiago Ramon y Cajal. 



