THE BASIS OF MR. HERBERT SPENCER'S PSYCHOLOGY. 223 
MODERN YACHTS. 
SYLLABUS OF LECTURE BY MR. W. G. TWEEDY. 
(Read November 2nd, 1882.) 
Sailing yachts alone treated of. Definitions and principles ex- 
plained. Displacement and buoyancy; centres of various kinds; 
moments ; stability ; resistances to motion. Lines. Mr. Scott 
Russell's wave-line theory ; Mr. Colin Archer's generalization of it 
explained ; how applied to test a design. Results of testing various 
yachts. Tonnage; measurement, and its effect on the design of 
modern yachts. What we may come to. The Jullanar ; the 
Evolution; the two Fredas; the May, Sleuth-hound, andAmiasona. 
THE BASIS OF MR. HERBERT SPENCER'S 
PSYCHOLOGY. 
SYLLABUS OF LECTURE BY REV. PROFESSOR CHAPMAN, M.A. 
(Read November 9th, 1882.) 
General statement as to the scope of psychology. The place of 
this science in Mr. Spencer's system of philosophy. The question 
as to the real foundation on which his psychology rests. The 
assumed basis explained and illustrated. The natural development 
of the views thus entertained. Considerations which render the 
positions of Mr. Spencer unsatisfactory. The bearing of the con- 
clusions arrived at in his work on psychology upon his peculiar 
view of evolution. 
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