SKIN TBANSPLANTATION IN FROG TADPOLES 



369 



TABLE 1— Concluded 



Totals 



64 



55 tail 

 9 back 



37 



24 



^ The abbreviations used in this table are as follows: 



Sym., symmetrically placed over the eye 



Asym., asymmetrically placed over the eye 



% Ex., percentage of exposure of eye after absorption 



Sl. abs., slight absorption not reaching eye 



Ant. only, proliferation at originally anterior end of graft 



Post, only, proliferation at originally posterior end of graft 



N., graft placed in original orientation 



R., graft placed in reversed orientation 



90°, graft placed with originally anterior end ventral 



270°, graft placed with originally anterior end dorsal 



h., homoiotransplant; all others were autotransplants 



