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EXPLANATION OF PLATES II. III. IV. 



Plate II. fig. 1. Portion of the sclerotic and choroid coats of the eye of the tiger 

 boa {Python tigris) to which are attached the crystalline lens with 

 its capsule injected, 

 fig. 2. The thin layer of skin covering the conjunctiva of the same boa, 

 with its blood-vessels injected. 

 Plate III. fig. 1. Vessels of the posterior layer of the capsule of the lens of a 

 foetal wolf, 

 fig. 2. Vessels of the anterior layer of the capsule of the same lens. 

 Plate IV. fig. 1. Vessels of the anterior layer of the capsule of the lens of a kitten, 

 these form the membrana pupillaris. 

 fig. 2. Vessels of the anterior layer of the capsule of the lens of a foetal 

 dog. 



In each of the four last figures the anastomosis of the vessels of the anterior and 

 posterior layer of the capsule is well represented. 



