TRANSPLANTATION OF LIMBS IN AMBLYSTOMA 



133 



and it is hence classified under series AAIS (table 2). Owing to 

 the early caudal migration of the rudiment in this case, develop- 

 ment proceeded normally. Although the limb occupied a posi- 



TABLE 



Showing the segmental nerve contribution to the right fore limb xohen transplanted. 

 A. One to three segments anterior to the normal position {series AAIS, AA2S). 

 B.^ One to five segments caudal to the normal position (series ASl, AS2, etc.) 



1 The figures in 'B' are taken from a previously published table (Detwiler, '20). 



tion caudal to the gill region, gill formation was almost entirely 

 suppressed, and onlj^ one small external gill developed, which, 

 from its position, was taken to be the first. 



