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Wednesday, October 15th, 1913. 
Rey. F. D. Morice, M.A., Vice-President, in the Chair. 
Election of Fellows. 
The following gentlemen were elected Fellows of the Society : 
—Messrs. Epwarp O. Armirace, Geelong, Victoria, Australia ; 
F. W. Crace, M.D., Capt. I.M.S., King Institute of Preven- 
tive Medicine, Saidapet, Madras; Watrer JAmres Dow, The 
Cottage, Lynwood Avenue, Epsom; Lester JoHN WILLIAM 
NewmaN, Dept. of Agriculture, Perth, W. Australia. 
Title of the Society. 
As there had been no meeting of the Council since the last 
reply had been received from the Privy Council Office as to the 
title of the Society, it was unanimously resolved to postpone 
any discussion which might have taken place at the present 
meeting to the next. 
Exhibitions. 
THE EvotutTion AND DISTRIBUTION OF ASYMMETRICAL 
Inpo-AUSTRALIAN PassaLipAE.—Mr. F. H. Gravety, who 
was present as a visitor, exhibited lantern slides illustrating 
the evolution of asymmetrical from symmetrical forms of 
Indo-Australian Passalidae. He pointed out that the anterior 
margin of the head, the mandibles, and the labrum, all showed 
a tendency towards asymmetry in the groups dealt with, 
but not in certain other groups living under apparently the 
’ same conditions in the same place. Further, the degree of 
asymmetry found in the mandibles was always correlated 
with the degree of asymmetry found in the anterior margin 
of the head. The manner of evolution of this asymmetry 
could be traced right from the start in forms still living, and 
was different in different sub-groups, proving that asymmetry 
had originated independently in each of them, and that the 
degree of asymmetry found in any species of Passalidae might 
be regarded as an index of the degree of specialisation to which 
that species had attained. 
It was therefore interesting to find that the most primitive 
