TRANSPLANTATION OF LIMBS IN AMBLYSTOMA 163 
12. The non-adaptiveness of reduplication is shown by the 
fact that a functional condition frequently arises which is inde- 
pendent of the harmony of the combination. The results accord 
with those of Harrison. 
13. Additional anterior limb rudiments transplanted a given 
number of segments posterior to the normal intact limb of the 
host (homoplastic transplantations) never attain the complete- 
ness of function attained by autoplastic limbs transplanted to 
the same relative position (tables 1aand1b). The increased de- 
ficiency in function when compared with the autoplastic limbs 
is attributed to greater defective connections within the central 
nervous system rather than to increased defects in the peripheral 
innervation. 
LITERATURE CITED 
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