vili REPORT—1905, 
Page 
Botanical Photographs.—Report of the Committee, consisting of Professor 
L. C. Mratn (Chairman), Professor F'. E. Wxiss (Secretary), Mr. Francis 
Darwin, Mr. W. G. Surry, and Mr. A. G. Tanstzy, for the Registration 
of Negatives of Photographs of Botanical Interest ............s0cs0ecee wadetienah 22 
Experimental Studies in the Physiology of Heredity.—Second Report of the 
Committee, consisting of Professor H. MarsHatt Warp (Chairman), Mr. 
A. C. Sewarp (Secretary), Professor J. B. Farmer, and Dr. D. SHare ... 226 
Report to the Committee by W. Bateson, M.A., F.R.S. ......cccseeeeeeee 2 2 
The Structure of Fossil Plants.—Interim Report of the Committee, consisting 
of Dr. D. H. Scorr (Chairman), Professor F. W. Ottver (Secretary), and 
Messrs. A, C, SEwarp and E, NEwELL ARBER....... riekaae nextel roe 227 
The Training of Teachers.—Interim Report of the Committee, consisting of the 
Bisnor or Hererorp (Chairman), Mr. J. L. Hottanp (Secretary), Pro- 
fessor H. E. Armstrong, Mr. Oscak Brownine, Miss A. J. Cooprr, Mr. 
PBR MSE WRAY, an Pr, EL, ois: GRAY —.......sswdocupscaneosscantemenenee sectedap pected 228 
On the Origin and Progress of Geodetic Survey in South Africa, and of the 
African Arc of Meridian. By Sir Davip Grut, K.C.B., F.R.S.....cccce cee 228 
Apioidal Binary Star-systems. By ALEXANDER W. Ronerrs, D.Sc., F.R.A.S, 249 
Star Streaming. By Professor J. C. KAPTEYN........cs..seceeseceeeeesenensseeceeees 257 
Recent Developments in Agricultural Science. By A. D. Hatt, M.A......... 266 
Habits and Peculiarities of some South African Ticks. By Cuas. P. Louns- 
BURY, PS Cs HBS cies eeaee dumbest emadiea scar seta cneetstae.penensar tree Rashes Wee 282 
Report on an Investigation of the Batoka Gorge and Adjacent Portions of the 
Zambesi Valley. By G. W. Lamptuen, F.RS., F.G.S, ...cccccscsceesecceees 292 
Report on Ruins in Rhodesia, By Davip RANDALE-MACIVER .....c.cccseceeees 301 
