86 Gaylord Swindle, Genetic Relation of Neurofibrillae to Chromatin. 



Fig. 6 and corresponding drawing, Fig. 10. Outer grey matter sp. 

 cd. Early stage of chromofibrillar development. Fig. 6 2020 : 1 ; Fig. 10 

 3840 : 1. 



Fig. 7. Chromofibrillar bundle originating in the grey matter of 

 the spinal cd. and extending far into the white, where it is to be followed 

 a considerable distance through the adjacent sections. 800 : 1. 



Fig. 8. Purkinje cell from cerebellum. Complete emancipation of 

 chromofibrillae. To be compared with Fig. 4. 2180 : 1. 



Fig. 9. Nucleus of ''aged' highly multipolar gangl. cell from grey 

 matter of sp. cd. Chromatin content to be compared with that of Fig. 1. 

 2600: 1. 



Plate 8. 



Fig. 10. For explanation see Fig. 6. 

 Fig. 11. See explanation of Fig. 5. 



