174 ASTRONOMY FOR 1889, 1890. 



Comet Winnecke. 



VON Haejjdtl (E.) Babn dcs periodiscben Kometcn Wiunecke in deu Jahren 

 1858-'86. II. Theil. 38 p. 4to. Wien, 1889. 



Comet 1867 III. 



Brocii (P.) Babnbestiimnuug des Cometen 1867 III. Sitzungsb. d. k. Akad. 

 d. Wisseuscb. iu Wieu, 97. 2. Abtb. Also, ahstr. : Astiou. Nacbr., 121: 353-8. 



Comet 1880 V. 



Beebe (W.) aud Piiili.ips (A. W.) Orbit of Swift's comet 1880 V, determined by 

 Gibbs's vector uietbod. Astrou. Jour., 9 : 113-121. 



Comet 1887 I. 



Opi'ENHEIm (H.) Definitive Bcstimmuug der Babn des grosseu Siidcometeu 1887 



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

 Comet 1889, Jan. 15. 



Barnard (E. E.) Searcb for tbe couiet reported, 1889, Jan. 15, by Mr. Brooks. 



Astron. Jour., 8 : 168. 



Comet 1889 V. 



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



. Companions to comet d 1889 (Brooks). Sid. Mess., 8 : 360-63. 



. A very remarkable comet. Pub. astron. soc. Pacific 1 : 72. 



Chandler (S. C.) Action of Jupiter in 1886 upon comet rf 1889, and tbe iden- 

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

 Comets. 



Bkp:dichin (T.) Quelques mots sur I'origiue des cometes p6riodiquos. Astrou. 

 Nacbr., 120: 331. 1889. AIho : Bull. Soc. imp. d. nat. de, Moscou, 1889, No. 2. 



Callandreu (O.) Tb^orie des cometes p^riodiques. 64 p. 4to. Paris, 1S89. 

 Jiepr. from : Ann. obs. d. Par. 20. 



CoMETARY discoveries during tbe years 1840-'68. Obsry., 12: 435. 



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

 349, 372, 403, 433. 



Kreutz(H.) Bericbt iiber Cometen. Vrtljscbr. d. astron. GeselLscb., 24 : 293-8. 

 1889. 



Maunder (E. W.) Comet 1887 I and cometary tails. Obsry., 12: 70-4. 



ScHULiiOF (L.) Notes sur quelques cometes a courte periode. Bull, astrou., 6 : 

 465-71. 

 • Tisserand (F. ) Tb^oriede la capture des cometes p6riodiques. Bull, astron., 6: 

 241,289. 



Comets of 1888. 



Kkeitz (H.) Zusammenstellung der Cometen-Erscbeiuungeu des Jabres 1888. 

 Vrtljscbr. d. astron. Gesell8cb.,24: 9-17. 

 Computing Machines. 



Barbaoe (H. p. ) Babbage's calculating engines . . . 8+342+3 p. il. portr. 

 pi. Loud., 1889. 

 Corona (Solar). 



Abney (W. de W.) and Thorpe (T. E.) Determination of tbe pbotometric in- 

 tensity of tbe coronal ligbt . . . eclipse 1886, Aug, 28-29. Pbil. Trans., 363-84. 

 1889. 

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

 4to. Wasbington, 1889. 



Smithsonian publication No. 691. 



Cosmogony. 



(!roll(J.) Stellar evolution and its relations to geological time. 11+118 p. 

 12mo. New York, 1889. 



Jfeu. by Fowler (A.) Nature 40 : 199. 



Hirn(G. A.) Constitution de I'espace celeste. 332 pT, 1 pi. 4to. Paris, 1889. 



