ILLUSTRATIONS. 



Plate I. 



Fig. 1. Cages used for fowls during experiments. 



2. Fowl number 5 in spastic stage. Shows extreme extension at knees and 



a tendency to teeter forward. 



3. Fowl number 5 in spastic stage. Shows extreme extension at knees and 



a tendency to teeter forward. 



Plate II. 



Fig. 4. Front view of fowl number 6 showing well-developed neuritis resixlting 

 from a diet of polished rice. 



5. Profile view of fowl number 6 showing well- developed neuritis resulting 



from a diet of polished rice. 



6. Fowl number 6. Late stage of neuritis resulting from a diet of polished 



rice. 



7. Front view of fowl number 8 showing neuritis resulting from polished rice 



diet. 



Plate III. 



Fig. 8. Profile view of fowl number 8 showing neuritis resulting from polished 

 rice diet. 

 9. Front view of fowl number 18 which developed neuritis from starving on 

 reduced rations. Shows wing-drop. 



10. Profile view of fowl number 18 which developed neuritis from starving 



on reduced rations. Shows wing-drop and leg signs. 



11. Front view of fowl number 17 showing late appearances in neuritis pro- 



duced by starvation. Compare with Plate II, figure 4. 



Plate IV. 



Fig. 12. Profile view of fowl number 17 showing late appearances in neuritis 

 produced by starvation. Compare with Plate II, fig-ure 5. 



13. Front view of fowl number 55 showing early appearances in neuritis 



produced by starvation. Compare with Plate II, figure 4. 



14. Profile view of fowl number 55 showing earliest appearances in neuritis 



produced by starvation. 



209 



