1908. | Minute Structure of the Nervous System. 427 
theory. The different sensory organs are differently constituted, are 
constructed on different plans (fig. 8). 
First, as regards the organ of taste: A. Key, who was working ‘at the 
beginning of the sixties under Max Schultze, stated that he had seen in the 
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can ys 
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nerve -frelve 
Fig. 8.—Peripheric Nerve-endings in the different Sensory Organs, stained by means of 
: the Golgi method. 
frog a direct connection between the ends of the nerve-fibres and certain 
sensory cells situated on the surface of the so-called taste-papille; and in 
the higher animals, the mammals, the same mode of termination was taken 
almost for granted. I was enabled by the aid of the methylene method and, 
later, also by the Golgian method, to demonstrate conclusively, in [1888 
