SYMMETRY IN TRANSPLANTED LIMBS 
23 
in the hand, so that right- or left-sidedness could not be deter- 
mined. In the other 1^ the hmb developed promptly and formed 
a duplicate member (fig. 26) , which was first seen at ten days and 
Fig. 26 Heterotopic transplantation (het.dd.), Exp. Tr. E. 127. Drawn from 
specimen preserved twenty days after operation. PR, primary; DU, redupli- 
cating member; 1 to 4, digits. 
Figs. 20 to 2.3 Heterotopic transplantation of fore limb; right limb bud to 
left side (het.dd.), Exp. Tr. E. 227. A^, normal left limb; TR, transplanted limb. 
X 10. 
Figs. 20 and 21 Dorsal and lateral views, respectively, eight days after oper- 
ation. 
Fig. 22 Ventral view, thirteen days after operation. 
Fig. 23 Lateral view, seventeen days after operation. 
Figs. 24 and 25 Heterotopic transplantation (het.dd.), Exp. Tr. E. 107. Lat- 
eral and ventral views, respectively, of preserved specimen, twenty-six days 
after operation. X 10. 
19 Tr. E. 127. 
