PLATE XII. 

 DISTRIBUTION OF NERVES AND CAPILLARIES TO FROG'S SKIN. 



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Skin of fro^. Capillary vessels injected. The granules of the pigment corpuscles are concentrated 

 on the right, and distributed in the tubes racUaiin* from the cells ou the leftjof the uure. x 0. 



Fig. 2. 



True skin of fro^ immediately belovr the cuticie Showing pigment cells, capillary vessels (blue) 



nerve fibres, and conuective tissue corpuscles, with bioplasm beloniag to all these tissues. The 



Suest uerve fibres are seen running amou^st the tissues and forming networks or plexuses. Many 



branches are observed close to the capillary vessels, and are distributed to them, x 130. p. 253. 



rr * 5 - of an inch 



- x 130. 



[To face page 25?. 



