174 ASTRONOMY FOR 1889, 1890. 



Comet "Winnecke. 



VON Hai.i;1)1k (E.) r?ahn des periodischen Konieten Winnecke in den Jabren 

 I858-'8t). II. Theil. 38 p. 4to. Wien, 1889. 



Comet 1867 III. 



BlJocii (P.) Babnbestiuimuiig <le.s Conietcu 18(37 III. Sitzungsb. d. k. Akad. 

 d. AVissi'iiscb. in Wieii, 97. 2. Abtb. Jho, abstr. : Astrun. Nachr., 121; 353-8. 



Comet 1880 V. 



Beehk (W.) and Piiii.i.ii's (A. \V.) Orbit of Swift's comet 1880 V, determined by 

 Gibbs's vectoruietbod. Astrou. Jour., 9 : 11:5-121. 



Comet 1887 I. 



Ori'ENiiKiM (H.) Definitive Ik'stimmung der Bahu des grosaen ISudcometeu 1887 



I. Astrou. Nacbr., 121: 337-42. 



Comet 1889. Jan. 15. 



Bahnaki) (E. E.) Seareb for tbe comet reported, 1889, Jan. 15, by Mr. Brooks. 

 Astron. .Jour., 8 : 168. 



Comet 1889 V. 



Baunaud (E. E.) Companions to comet d 1889 (Brooks). Astrou. Jour., 9 : 77-78. 



. Companions to comet d 1889 (Brooks). 8id. Mess., 8: 3(J0-G3. 



. A very remarkable comet. Pub. astron. see. Pacitic 1 : 72. 



Chandler (S. C.) Action of Jupiter in 1886 upon comet (M889, and the iden- 

 tity of the latter with Lexell's comet of 1770. Astron. Jour., 9 : 100-3. 



Comets. 



Bkkdiciiin (T.) Quelques mots snr I'originc des cometes p(5ri()diqucs. Astrou. 



Nachr., 120: 331. 1889. Aim: Bull. Soc. imp. d.uat.do Moscou, 1889, No. 2. 

 Callandkeu (O.) Thcorie des cometcs p^riodiques. (34 p. 4to. Paris, 1889. 



J(epr. from : Ann. obs. d. I'ar. 20. 

 CoMETAKY discoveries during the years 1840-'G8. Obsry., 12: 435. 

 Denning (W. F.) Notes on comets and comet seeking. Obsry. ,12 : 256,285,311, 



349, 372, 403, 433. 

 Kreutz(H.) Bericht iiber Cometen. Vrtljschr. d. astrou. Gesellsch., 24 : 293-8. 



1889. 

 Maundeu (E. W.) Comet 1887 I andcometary tails. Obsry., 12: 70-4. 

 SCHULiioF (L.) Notes snr quelques cometcs a conrte pdriode. Bull, astron., 6 : 



465-71. 

 TISSEKANI) (F. ) Thdorie de la capture des cometes pcriodiques. Bull, astrou., 6 : 



241,289. 



Comets of 1888. 



Kkki'tz (11.) Zusammenstellung der Cometeu-Erscheinnngen des Jabres 1888. 

 Vrtljschr. d. astron. Gesellsch., 24: 9-17. 

 Computing Machines. 



Bahijagk (II. p.) Babbage's calculating engines . . . 8-|-342+3 p. 11. portr. 

 pi. Loud., 1889. 

 Corona (Solar). 



AuNEY (W. de \\ .) and TnoiiTE (T. E.) Determination of flic pliofometric in- 

 tensity of the coronal light . . . eclipse 1886, Aug, 28-29. Phil. Trans., 363-84. 

 1889. 

 BIGEI.OW (F. H.) Solar corona discussed by spherical harmonics. 22 p., 1 pi. 

 4to. Washington, 18.«9. 



.Sriiitlisonian jiuljlicatioii No. C!H. 



Cosmogony. 



(KoM, (.1.) Sfellar «'Vt)lutioii and its relations to geological time. 11+118 p. 

 12mo. New York, 1889. 



Uev. by Fowler (A.) Natiiio 40: 199. 

 HiRN (G. A.) Constitution de I'espaco c<51este. 332 p., 1 pi. 4fo. Paris, 1889. 



