266 ALPHABETICAL INDEX 



Observations on — 



auroras, map of stars near North Pole for 350 



Batis maritima of Linnaeus — J. Torrey 60 



electric resonance of mountains — H. De Saussure. (R. 1868) 224 



gold ornament from mound in Florida— C. Rau. (R. 1877)--- 323, 440, 403 



ice — D. Walker 146 



Mexican history and archaeology — B. Mayer 86 



natural phenomena, shooting stars, aurora, etc. — S. Masterman. (R. 



1857) 107 



prehistoric mounds of Grant county, Wisconsin — M. Strong. (R. 1876.) 299 



terrestrial magnetism — J. Locke 35 



terrestrial magnetism and deviation of compasses of iron-clad " Monad- 

 nock "—W. Harkness 239 



terrestrial magnetism in Mexico— Baron von Mijller; A. Sonntaq — 114 



thunder and lightning— S. Masterman. (R. 1855) 77 



Observatories — 



at Dorpat and Poulkova, description of— C. Abbe. (R. 1867) 215, 369 



detached, universal meteorograph for — E.H.VON Battmhauer. (R. 1879.) 345 

 instructions to, relative to telegraphic announcements of astronomical 



discoverii's — J. Henry 263 



reports of, 1879— E. S. Holden. (R. 1879) 345, 410 



reports of, 1880— E. S. Holden; G. H. Boehmkr. (R. 1880) 442, 438 



Observatory — 



at Cordova, Argentine Republic, account of — B. A. Gould. (R. 1873.) 275 



at St. Martin, Isle Jesus, Canada East, description of — C. Smallwood. 



(R. 1856) 91 



Girard College — See Bache.'A. D. 



Kew, verification of barometers at — J. Welsh. (R. 1859) 110 



magnetic, at Smithsonian Institution, description of — J. E. Hilgard 



(R. 1859) 110 



physical, on a— J. Henry. (R. 1870) 244 



Toronto, instructions by, for aurora observations 148 



Observers, meteorological, of Smithsonian Institution, list of. (R. 1868).- 224, 373 

 Observers — See Meteorological stations and observers. 

 Occultations — 



in 1852— C. H. Davis 29 



of planets and stars by the moon, 1853— J. DowNES 54 



visible in the United States during the years 1848-1852 — J. Downes. 



8, 9, 10, 11, 29 



Occultator, account of— T. Hill 101 



Ocean, fre.-h water in the— W. C. Dennis. (R. 1866) 214 



Ocean, Indian, cyclon.! in the— N. Pike (R. 1807) 215 



Oceanic boiiito on coast of Unit, d States— G. B. Goode ; T. H. Bean. (P. 1878.) 332 



