XXX11 PROCEEDINGS—PERTHSHIRE SOCIETY OF NATURAL SCIENCE. 
Wood of Freeland. Index Collection .—Microscopic Slides illustrating 
the Anatomy of the Blow-Fly—from Mr. James Stewart. 
Library .—Clock and Self-registering Barometer—from Mr. C. L. 
Wood of Freeland. 
Mr. Taylor, Errol, exhibited a Case illustrating the Life-history of 
the Hessian Fly, and also a Stem of a Currant Bush showing buds 
deformed by galls. 
The following papers were read :— 
1. “The Great Movements of the Sea (other than Currents).” 
By R. Brown, C.E., R.N. 
2. “The Anatomy of the Blow-Fly.” By James Stewart, L.D.S. 
{Illustrated by Micro-Photographs shown by the Lantern.) 
ioth May, 1888. 
R. Brown, C.E., R.N., Vice-President, in the Chair. 
The Rev. F. Smith and George Fell were elected Ordinary 
Members. 
The following donation was intimated :— 
Museum—Index Collection .—Collection of Algae—from Lieut.-Col. 
Sherwill. 
The following papers were read :— 
1. “Enemies of the Horticulturist.” By Dr. R. Robertson, 
Errol. 
2. “The Gall-making Hymenoptera of Scotland (excluding those 
on Oaks).” By Professor J. W. H. Traill, A.M., M.D., F.L.S., 
Aberdeen. (See Trans., Vol. I., p. 72.) 
SUMMER SESSION, 1888. 
The following Excursions were arranged :— 
1. May 24.—To Kinnaird Castle. 
2. June 9.—To Balinbreich Castle and the Southern Shore of 
the Tay. 
3. June 23.—To Spout Begg and Spout Barvick. 
4. July 7.—To Loch Voil and Balquhidder. 
5. July 28.—To Am Binnein. 
6. August 4.—To the Lake of Monteith and Glenny. 
7. August 18.—To the mouth of the River Eden. 
