BIBLIOGRAPHY OP ASTRONOMY: 1887. 55 



Struve (O). 



Adresse der k. preuss. Akad. d. Wissensch. an flrn. Otto Struve zur Feier seines 

 fiinfzigjahrigen Astronomenjubilaumsund fiinfundzwanzigjiihrigen Direktor- 

 jubilaums am 20. Februar, 1887. Sirius, 20: 97-101. 

 See, also, Nature, 35 : 422. 



San. See, also, Chromosphere; Corona; Eclipse; Faculte ; Prominences; ?[•.' ■ - 

 trum (Solar); Sun (Diameter of ); Sun-spots; Sun (Statistics, etc.) 



Abnet (W. de W.) Sunlight colors. Nature, 35 : 498-501. 

 BiGELOW (F. H.) PhenoniHiia of solar vortices. Abstr.: Proc. A.n. ass. adv. 

 sc, 36:62. ^^so, Reprint. 



[Braun (P.)] Sunto della teoria solare del P. Braun. Mem. soc. spettrscp. 



ital., 16 : 43-50. 

 Brothers (A.) Comparison of drawings and photographs of sun-spots and the 



sun's surface. Proc. Manchester lit. & phil. soc, 26 : 74-78. 

 CoAKLEY (G. W.) Motion of the sun in reference to the centre of gravity of the 



solar system. Papers Am. astron. soc, 1 : 33-44. 

 Crofton (W. J.) [Abstract of] Braun's theory of the sun. Obsry., 10: 295. 

 FiLACHOU (J. E.) Principes de physique solaire. 106 p. 12mo. Montpellier. 



1887. 

 FrOlich (0.) Messungen der Sonnenwarme. 2. Abhandl. il. Ann. d. Phys. 



u. Chem., n. F. 30 : 582-620. 

 Langley (S. p.) Sunlight colors. Nature, 36 : 76. 

 Levison (W. G.) Note on periods of stationary temperature accordant witli a 



steadily cooling sun. Papers Am. astron. soc, 1 : 44-48. 

 LocKYEB (J. N.) The chemistry of the sun. 19 + 457 p. 8vo. London, 1887. 



(M. 14.50.) 

 SCHULZ (J. F. H.) Zur Sonnenphysik. Astron. Nachr., 118: 129-146. 

 Stanoiewitch (G. M.) Photographie directe de I'etat barometrique de I'atmos- 



phere solaire. Compt. Rend., 104: 1263-1265. 

 Thomson (W.) Probable origin, the total amount, and the possible duration of 



the sun's heat. Nature, 35 : 297-300. Also: Pop. sc. month., 31 : 19-29. 

 Zenger (K. W.) Die Meteorologie der Sonne und die Wetterprognose des 



Jahres 1886. 63 p. 8vo. Prag, 1887. (M. 8.) 



Sun (Diameter of). 



ArwERs (A.) Neue Untersuchungen iiber den Durchmesser der Sonne, II. 



Sitzungsb. d. k. preuss. Akad. d. Wissensch. 1887 : 449-486. Also, Reprint. 



(M. 1.80.) 

 Di Legge (A.) Sul diametro solare. Atti d. r. accad. d. Lincei, 1884-85, s. 4. 



Mem. d. cl. d. sc. fisich., 1 : 232-281. 



Sunshine recorder. 



Maxjrer (.T.) Neue einfache Form des photographischen Sonnenscheinauto- 

 graphen. il. Ztschr. f. Instrmknd., 7 : 238. 



Sun-spots. See, also. Sun (Statistics of faculse, prominences, spots, etc., for 1886). 

 BiGELOW (F. H.) Sun-spots as vortex rings. Sid. mess., 6 : 139-151. 



