64 PREPARATION OF SECTIONS OF ROCKS AND MINERALS. 
would seem probable that God took material nearest 
fitted for his purpose, and in harmony with a method 
found all through nature, propagation by fission, caused 
from a part of the man a woman to grow. It seems to 
me that this was closer to nature’s methods still in oper- 
ation—like producing like—than such changes in an- 
other simian, as occurred when one changed to a human 
being, and became in the sense which we all understand, 
but shall never comprehend, a living soul. 
It will seem strange to many that the study of the 
miracles of the Bible has led to the support of evolution, 
so strange, that I fear it may hinder their giving due 
weight to the argument. But, although some advocates 
of evolution may appear to desire to use this theory to 
shut the Creator out of his own world, it seems to me 
that species produced by modification of previous species 
show His hand as unmistakably, nay, I would say, show 
it more clearly than if moulded direct from earth, air, 
and water. 
The paper was discussed by Dr. Stevenson, Professor 
L. C. Cooley, Rev. Dr. Brown, and Mr. Bartlett. 
JANUARY 10, 1888—FIFTY-NINTH REGULAR MEETING. 
Charles N. Arnold, chairman, presiding ; ten members 
‘and several guests present. 
Prof. Wm. B. Dwight, exhibited a working model of 
his new section cutter, and spoke as follows concerning : 
SOME PRACTICAL SUGGESTIONS AS TO THE PREPARATION 
OF THIN SECTIONS OF ROCKS AND MINERALS. 
BY W. B. DWIGHT. 
The object of this paper is to call attention to two 
tendencies to error in the manipulation of the preparation 
of thin microscopic sections of paleontological, and 
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