Proceedings. xxvii 
Marcy 20TH, 1893. 
President Pritchett in the chair, 65 members and 15 visitors 
present. 
Prof. Pritchett introduced Prof. Barnard of the Lick 
Observatory. Prof. Barnard gave an interesting description 
of the Lick Observatory at Mt. Hamilton. The lecture was 
fully illustrated with a large number of beautiful views. 
APRIL 3p, 1893. 
President Pritchett in the chair, 8 members and 2 visitors 
present. 
Dr. W. T. Porter read a paper on ‘* The Effect of Embolism 
of the Coronary Arteries on the Closure of the Auricle-Ven- 
tricular Valves.”’ 
Apri 177TH, 1893. 
President Pritchett in the chair, 30 members and 30 
visitors present. 
Messrs. T. G. Allen, Jr., and W. L. Sachtleben gave an 
interesting description of their bicycle tour across Asia. A 
large part of the route was across Russia and Chinese terri- 
tory, which had never been visited by foreigners. 
. May Ist, 1893. 
President Pritchett in the chair, 22 members and 4 visitors 
present. 
Prof. E. A. Engler reported for the Committee on Per- 
manent Quarters that they had been considering various — 
propositions, and as some of these were still pending it was 
eemed wise to take no action. 
Prof. Trelease exhibited a specimen of wood pene y in ae 
the southeastern part of this State last autumn by Mr. B. Fi 
ame and stated that the wood was known a teva as cork 
