$45 
TRANSACTIONS OF SECTION I 
Fig. 1.—Comparison of Vertebrate Brain from Mammalia to Ammoccetes. 
(Epithelial parts represented by dotted lines.) 
AMPHIBLA, 
MAMMALIA, 
Me 
es 
sects rene 
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Z | 7 
< 
Z , 
f fe 
F/ 
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i 
AMMOCETIS. ; 
TELEOsT, 
