186 RECORD OF SCIENCE FOR 1886. 



Tycho Brahe. Sec, also, Astronomy (Tlistory of). 



TlUANGUi.ouUM plauoruiii et sphii'iiconiiu praxis aiithiuetica, qua inasinins 

 eornin, pra\srrtiiii in astroiiouiico nsiis coiiipeiidiose ex])licatiir. Nunc prinumi 

 editlit F. J. Stnduicka. 40 p. 4to. Pragu' (laUl), 1886 (M. 21) 



United States Naval Observatory. 



Astronomical observations . . . 1883. App. i. The six inner satellites of 

 Saturn, by A. Hall. 74 p. 4to. Washington, 1880. 



: The same. App. ii. Observations for stellar i>arallax, by A.Hall. G7 p. 



4to. Washington, 1886. 



: The same. App. iii. The observatory temperature room and competitive 



trials of chronometers in 1884 and 1880. 35 p., 9 pi. 4to. Washington, 1886. 



Report of the superintendent . . . [October 20, 1880]. 20 p. 8v0. Washing- 

 ton, 1886. 



Uranus, p* 139. 



Wilson (H. C.) : [Observations June 18 to July 5, 1883.] Astron., Nachr., 114: 

 313. 



Uranus (Satellites of). 



Marth (A.", Ephemeris of the satellites of Uranus. Month. Not., 47 : 75-78. 



Variable Stars, p* 109. 



Hall (M.) : Density of the sun compared with that of Algol. Obsry., 9 : 224. 

 Pickering (E. C.) : Observations of variable stars in 1885. Proc. Am. Acad. Arts 

 and Sc, 21 (n. s., 13) : 319-335, 1886. Also, Reprint. 



Venus, p* 133. 



Thackeray (W. G.) : Semidiameter of Venus. Month. Not., 46: 335-336. 



Warner Observatory. 



History and work of the Warner Observatory, 1883-1886, Vol. 1. 70 p. il. 

 8vo. Rochester, 1887. 



Washburn Observatory. 



Publications of the Wiishburn Observatory of the University of Wisconsin. 

 Vol.4. 4+221 -t-25p. Svo. Madison, 1886 (M.7.50) 



Washington University Observatory. 



Pritchett (H. S.) : The Washington University equatorial after the "Lick pat- 

 tern." Sid. Mess., 5: 65-67. 



Yale College Observatory. 



Report for the year [ending June 1, 1886]. 15 p. Svo. [New Haven, 1886.] 

 Zodiacal light, p* 126. 



NECROLOGY OF ASTRONOMERS : 1886. 



AuERBAcn (Carl Heinrich, August); b. February 24, 1813, at Berlin; d. at Gohlis, 

 October 22, 1886, vet 73. 



Bassnett (Thomas); d. February 26, 1887, tet. 79. 



BoiLEAU (Gen. J. T.); b. May 20, 1805, at Calcutta; d. November 9, 1886, xt. 81. 



DoRNA (Alessandro), director of the Turin Observatory ; b. February 13, 1825, at 

 Asti ; d. at Borgo San Pietro, near Turin, August 19, 1886, ;et. 01. 



Feldkirchner (Christoph), first assistant at the Munich Observatory ; b. Feb- 

 ruary 26, 1823 ; d. March 1, 1886, cut. 63. 



HoiJEL (Jules), professor of mathematics at Bordeaux ; b. , 1823, at Thaon ; d. 



June 14, 1886, at Purlers, set. 63. 



Krapotkin (Alexander); b. ; d. at Tomsk, August 6, 1886, ret. 45. 



Maywald (Gustav Adolph Richard), computer on the Berliner Jahrbuch ; b. 

 February 13, 1817, at Leutheu; d. July 19, 1886, let. 69. 



