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COMPARATIVE WEIGHT OF THE SPLEEN. 



Comparative Weights of the Spleens of Animals. 



These tables show that the spleen is smallest in Birds and Ophidians, and largest 

 in Fishes and Mammals. The temperature of Birds is high, their blood-corpuscles 

 numerous, their life-actions vigorous, and the physical and chemical changes of the 

 elements of their fluids and solids correspondingly rapid. In Fishes, circulation 



