ASTRONOMY FOR 1««9, 1890. 175 



Dearborn Observatory. 



Hough (G. W.) N«w Dearborn Observatory, il. Sid. Mess., 8: 341-48. 

 De La Rue (Warren) [1815-'89]. 



HuG(;ixs (Margaret L.) [Obituary notice . . .] Obsry., 12 : 244-50. 



Double Stars. 



Clkrke (A.. M.) New donble stars. Nature 41 : 132. 

 Earth. 



Callandueau (0.) Keiuarqnes snr la theorie de la tigure de la terre. Bull. 



astrou., (i : 185-92. 

 Howe (H. A.) Earth tremors. Sid. Mess., 8 : 448-49. 

 PoiNCARE (II.) Figure de la terre. Bull, astron., (i : 5, 49. 

 ScHiAPARELLi (G. V.) Rotation de la terre sous riutluence des actions geolo- 



giques. 32 p. 8vo. St.-Petersbourg, 1889. 

 WoODWAHO (R. S.) The mathematical theories of the earth. 23 p. 8vo. 

 Salem, 1889. 



Address as vice-president of Sect. A, Amer. Ass. Adv. Sc, Toronto, 1889. 

 Easter. 



Dates de la fete de paqnes . . . Ll-'>'^"-i-^''200]. L'Astrou. 8 : 418. 1889. 

 Eclipse of the Sun, 1886, August 28-29. 



Pickering (W. H.) Total eclipse of the Suu, August 29,1886. Ann. Harv. " 

 Coll. Obsry., 18: 85-111. (v. 18. no. 5.) 4 pi. Also, Reprint. 

 Eclipse of the Sun, 1889, January 1. 



HoLDEX (E. 8.) [Preliminary report] on the solar eclipse of January 1, 1889. 

 il. Obsry., 12: 130-4. 



Reports on the observations of the total eclipse of the Suu of January 1, 1889, 

 published by the Lick Observatory. 10+210 p. il. 8vo. Sacramento, 1889. 



PicivEiUNG (W. II.) [Photograph of the corona taken during] the total solar 

 eclipse of January, 1889. Sid. Mess., 8: 337-39. 



Todd (D. P.) Photographs of the corona . . . [with notes on the] structure of 

 the corona. 10 p., 2 pi. 4to. Washington, 1889. 

 Siiiithsoniau j)ublication No. G92. 



Eclipse of the Sun, 1889, December 21. 



HoLDEN (E. S.) Lick Observatory expedition to observe the solar eclipse of 

 December 21, 1889. Sid. Mess., 8: 339-41. 

 Encke (J. F.) Gesammelte mathematische und astronomische Abhandliingen. 

 3. Band. Astronomische und optische Abhandlungen. 158 p. 8vo. Berlin, 

 1889. 



Fedorenko (Iwan) [1827-'88]. 



Lewitzky (G.) Todes-Anzeige. Astron. Nachr., 120: 319. 

 Geodesy. 



Gore (J. H.) Bibliography of geodesy. Rept. U. S. Coast and Geod. Surv. 1887 : 

 312-512 (Ropt. 1887, App. 16). Jlso, Reprint. 



Harvard College Observatory. 



Pickering (E. C.) The Bruce photographic telescope. 1 ji. 4to. Cambridge, 



1889. 

 Pickering (E. C.) [Circular showing the need for] a large pliotographic tele- 

 scope. 4 p. 4to. Cambridge, 1888. Also: Sid. Mess., H: 304. 

 Horizon (Artificial). 



Mailiiat ( — .) Nouvcaii bain de mercure, perfecttionne. L'Astron., h: 107. 1889, 

 Houzeau. 



Lancaster (A.) Notes biographiqnes sur .F. C. Houzeau. 120 p., portr. Bru- 

 xelles, 1889. 



