S T R U C T U R E a™ PHYSIOLOGY
F I S H E S
E X P L A I N E D .
C O M P A R E D
W I T H THOSE OF
M A N AN D OTHER A N I M A L S .
I L L U S T R A T E D WITH F IGURES.
BY A L EXANDE R MONRO. M. D.
F E L L O W OFTi l ü ROYAL COLLEGE OF PHYSICIANS,
' AND OF THE ROYAL SOCIETY,
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E D I N B U R G H .
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