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VIIT. Total Eclipse of the Son, Map 28, 1900. Account of the Ohservations 
made hy the Solar Physics Observatory Eclipse Expedition and the Ojficers 
and Men of H.M.S. “ Theseusf at Santa Tola, Spain. 
Bij Sir Normax Lockyee, K.C.B., F.R.S., and others. 
Eeceived May 21,—Bead June 20, 1901. 
[Plates 2-G.] 
Contents. 
PAnx I.— General AREAXOE^rENTs. By Sir Xorinian Lockyee, K.C.E., F.P.S. 
Objects of the expedition. 
The observing station and preparations. 
Local conditions of eclipse. 
Time arrangements. 
Acknowledgments of assistance. 
Page 
.377 
380 
381 
382 
Part II. —Observation.s made by tee Officer.s and Men of H.M.S. “ Theseus.” 
Forwarded by Captain V. A. Tisdale, P.X. 
Preliminaiy work.383 
Diarj^ of the expedition . 38-0 
List of instruments and observers.387 
Assistance in time-keeping.389 
The coronagraphs.389 
Discs.390 
Sketches of corona without discs.393 
Observations of inner corona with 3|-inch telescope.393 
Observations of stars visible during eclipse.394 
Landscape colours.394 
Shadow phenomena.395 
Shadow bands.395 
Contact observations.396 
Meteorological observations.397 
Part HI.— Photographs of the Corona taken with a 4-inch Cooke Lens 
OF 16 feet Focal Length. By IMr, Howard Payn. 
The camera.. 401 
The coeloistat . .... 402 
(a .307.) 7.4.02 
