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THE MICROSCOPE AND ITS REVELATIONS. 



PLATE XXV. 



DISTRIBUTION OF CAPILLARY BLOOD-VESSELS AS SHOWN IN TRANSPARENT INJECTIONS (Original). 



Fig. 1. Transverse section of Small Intestine of Rat, showing the villi in situ. 



2. Section of the Toe of a Mouse: a, a, a, tarsal bones; 6, digital artery; c, vascular loops in 

 the papillae forming the thick epidermic cushion on the under surface, d, distribution of vessels in 

 the matrix of the claw. 



3. Distribution of Blood-vessels in the cortical of layer of the Brain, showing the manner in which 

 the arteries, carried-in by the pia mater, dip-down into the furrows of the convolutions. 



