Contents. v 
PAGE 
Some New South African Succulents and other Plants. 
Part IV. By E. Marloth. (With two text figures) . 237 
On the Early Babylonian Eclipse of the Sun. By E. 
Nevill 243 
Observations on the Inheritance of Characters in Zea 
mays, Linn. By J. Burtt-Davy 261 
The Spectrum of the Euby — Part II. — and the Artificial 
EUBY. By JAMES MoiR 271 
Notes on the Spectra of the Precious Emerald and 
OTHER Gem-stones. By James Moir ... . . 273 
A Note on the Principal Systematic Work and Publi- 
cations dealing with the South African Proteac^. 
By E. P. Phillips 275 
Terrestrial Isomaqnetic Lines for South Africa for the 
Epoch July 1, 1903. By J. 0. Beattie. (With four 
Maps, Plates viii., ix., x., xi.) ...... 283 
Eelations between the Eccentricities and Inclinations 
of the Orbits of the Planets Jupiter and Satui^n. 
By E. T. A. Innes 287 
A Note on the Land and Sea Breezes of South Africa. 
By J. E. Sutton 293 
The Algebraical Development of the Elliptic Perturb- 
ative Function used in the Theories of Planetary 
Motion. By E. T. A. Innes 301 
Some Observations concerning the Transmission of East 
Coast Fever by Ticks. By Dr. Arnold Theiler . 319 
The Spectrum' of the Euby. Part III. By James Moir . 339 
Some Causes and Effects of Variation in the Eange 
of Temperature. By J. E. Sutton and Elizabeth M. 
Sutton 341 
Action of Eadium Salts on Glass. By W. A. Douglas 
Eudge. (With four text figures) 357 
