LX THE ROYAL SOCIETY OF CANADA 
telegraph to the wireless at Camperdown, N.S., and many captains 
have vouched for the usefulness of the signals, which are picked up 
when the ships are still far from land. 
Arrangements have recently been made whereby daily photographs 
of the Sun are made with a camera attached to the 6” equatorial tele- 
scope. The focal length of the camera is 335 millimetres and an image 
of the Sun 135 m.m. in diameter is projected on the sensitive plate. 
The shutter is a thin plate of aluminum about 6 inches in length and 
24 inches wide, across the centre of which is cut a slit about 0.8 m.m. 
in width. This shutter is driven by two powerful springs. The slit 
passing through the cone of light from the Sun gives an approximate 
exposure of 1/500 sec. - 
Respectfully submitted. 
R. F. Srupart, Director. 
PHENOLOGICAL PHENOMENA, CANADA, 1910. 
At the meeting of The Royal Society on the 28th of September, 
1910, Dr. A. H. Mackay, F.R.S.C., General Secretary of the Botanical 
Club of Canada, gave notice of the dissolution of this club, the chief 
work of which was the collection and publishing phenological statistics. 
The necessity for this decision is to be regretted, more especially by 
those interested in phenological phenomena, and it is to be hoped 
that Dr. Mackay and his phenological staff will still be able to carry on in 
Nova Scotia the excellent work they have been doing for so many years. 
In the various European countries the work of collecting and publish- 
ing phenological statistics is undertaken by the different Weather 
Bureaus, and the Meteorological Service of Canada, which for some 
years past has also published statistics prepared by Mr. F. F. Payne, 
of the Central Office, Toronto, will extend this work. It is also hoped 
that we may be able to enlist the services of the provincial Boards of 
Education, as has been done in the Province of Nova Scotia. 
The chief use of phenological statistics from a meteorological point 
of view is the graphic indication they give of the climate and the vary- 
ing seasons. To those familiar with the dates of the flowering of 
common plants, ete., in their own district, a mental picture of the 
climate of another district can more readily be formed by comparing 
such dates than would be formed by consulting meteorological statistics. 
Included in schedules accompanying this report are dates from 
twenty-five selected stations in Nova Scotia, which have been kindly | 
supplied, and, subject to the approval of Dr. Mackay and his staff, the 
