PLATE 3 
EXPLANATION OF FIGURES 
Fig. 18 A section through the girdle of individual Ca. 6 developed in the 
absence of the limb and the central portion of the girdle rudiment. 
Fig. 19 A section through the normal girdle of individual D 29. 
Fig. 20 A section from individual D 29 showing the girdle which developed 
in a heterotopic position from the implantation, along with the limb mesoderm, 
of the girdle rudiment from an embryo in the stage of open medullary folds. 
Fig. 21 A section through the implanted girdle of individual Tr. Ext. 154 
developed from the central portion of the rudiment which was transplanted, 
along with the limb rudiment from an embryo in the tail-bud stage. 
Fig. 22. A section through the normal shoulder girdle of individual Tr. Ext. 
154. 
