238 



THE KETINA, BY MAX SCHULTZE. 



is present in this layer. In this case, which is "by far the most 

 common, the external granulated layer forms a true intergranu- 

 lar layer. In the posterior part of the fundus of the eye, and 

 sometimes in the vicinity of the macula lutea of Man, the 

 space intervening between the limitans externa and the external 

 granulated layer becomes much more considerable. Instead, 



Fig. 348. 



Fig. 348. From the posterior part of the fundus of the human 

 retina. 6, External granulated layer ; 7, external granule layer ; 

 8, limitans externa ; 9, rods and cones, the external segments of 

 which are sharply differentiated from the internal cylinders. Magnified 

 800 diameters. The supporting fibres of the connective tissue are 

 omitted in this figure. 



however, of the external granules separating from one another, 

 they remain in close apposition to the limitans externa, form- 

 ing a multiple layer, whilst internally a free space appears, in 

 which are no granules, and which is essentially occupied by 

 the fibres of the rods and cones running to the external granu- 



