304 Scientific Intelligence. 
Professor Lesley, and speeches of welcome being delivered by 
Governor Pattison and Mayor Smith. In the afternoon, the Vice 
Presidents delivered their addresses to the respective sections. 
Professor Eddy, in Section A, took for his subject “The present 
state of a peg training in our colleges; its aims, its needs 
and its relations to education and to scientific research.’ 
Section B, Peihesior Tee deides discoursed upon “ What is 
Electricity,” hoping thereby to make his audience ask themselves 
the question with more humility and a greater consciousness of ig- 
norance. ‘* We shall probably never know,” esays “ what electri- 
city is, any more than we shall know what energy is. What we 
shall be able, probably; to discover, is the relationship- between 
electricity, magnetism, light, heat, gravitation and the attracting 
force which manifests itself in chemical changes.” Professor J. 
Langley, in addressing Section C, took “ Chemical Affinity” as his 
subject, considering the thermal, the electrical, and the tim 
methods of studying it. me: ssor Thurston spoke to Section D 
on “The mission of science ;” Prcteani Winchell to Section Eon 
“The crystalline rocks a the northwest ;” Professor Cope to 
Section F on ‘ Catagenesis, or creation by retrograde metamor- 
phosis of energy ; ;” Professor Morse to Section H on “ Man in the 
Tertiaries ;’ and Gen. John ~~ to — I on “ Scientific 
methods and scientific knowledge n com air 
The address of the retiring Picsicions. Pioiaior Young, was 
delivered in the Academy of Music on Friday evening. He 
selected as his subject “Some of the pending problems in astron- 
omy,” discussing, in his clear, pt aoe and able way, those 
questions, in the first place, ‘ which seem to be most pressing 
advance ;” and, in the second, “ which appear in themselves most 
interesting or likely to be fruitful from a philosophic point. of 
ew.” ‘The first to be considered were, “the questions which 
relate to the dimensions and figure of the earth, the uniformity 
xis.’ 
be better to assume some closely a A em spheroid as a final- 
its elements to be forever retained unchanged, while the 
h : 
the earth’s a Nat ed by the causes alluded to a few min 
utes ago, will protrude and become intolerable. Then a new 
unit of time will have na be found for scientific purposes, founded 
