Plate I. — Xorniul loose conjunctival tissue of the rabbit. Red fluorescence of cytoplasm 

 and yellow-green fluorescence of fibroblast nuclei. Ocular 6, objective 8. 



Plate II. — Loose conjunctival tissue of the rabbit. The second day after the transection 

 of the first trigeminus branch. The fluorescence of nuclei and cytoplasm of the fibroblasts 

 is brighter than normal. Ocular 8, objective 8. 



Plate III. — Loose conjunctival tissue of the rabbit. The second day after the transec- 

 tion of the Gasserian ganglion. The fluorescence of nuclei and cytoplasm of the fibro- 

 blasts is extremely bright; the fluorescence colour shifts to tones more red than 



normal. Ocular 8, objective 8. 



[facing page 218 



