76 
ROSS G. HARRISON 
125 
Fig. 125 Transplantation of half limb bud (comb. 6, fig. 120); posterior half 
right to anterior right (hom.dv.). Exp. H. E. 5. Two limbs, the posterior of 
which has a double hand. Anterior member an almost normal right; of the two 
parts of the posterior member, the anterior one is a left hand and the posterior, 
a right. X 10. 
Fig. 126 Same operation (comb. 6, fig. 120) (hom.dv.). Exp. H. E. 13. Ulnar 
reduplication! HOM, homopleural hand; 1 to 5, digits of same; HET, hetero- 
pleural hand; 1' to 3', digits of same; Abnormal (unoperated) left limb X 10. 
Fig. 127 Transplantation of half limb bud (comb. 10, fig. 120) ; posterior half 
right to anterior left (het.dd.). Exp. H. R. E. 1. Double hand. HOM, homo- 
pleural hand with digits (7 to 4)', HET, heteropleural hand with digits- (2' to 
3'). X 10. 
