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MR. II. W. HAROLD ROW ON 



of the hallux in the skeleton of the foot, nor any gap between 

 the calcar and digit II from which the hallux might have been 

 removed, and these facts taken together do away completely 

 with any possibility that the abnormality is due to injury. A 

 photograph (text-fig. 1, B) is given of the skeleton. 



All the normal distal tarsal bones are present in the foot in 

 their normal position, though, unfortunately, they are not distin- 

 guishable in the figure ; the four digits present are also perfectly 

 normal in their anatomy. 



Text-figure 1. 



A. Photograph of the external appearance of the two hind feet, natural size. 



B. Photograph of the skeleton of the left hind foot, natural size. 



It was decided not to dissect the right foot, but as careful an 

 examination as possible was made from the outside, and revealed 

 no indication of the hallux in that foot either. 



One question I cannot definitely settle. It is just possible 

 that the structure identified by me as the calcar is really the 

 remnant of the hallux, in which case the calcar is entirely altsent 

 in both feet. I do not think that this can be the case, however, 

 for the following reasons. The position of this structure in the 

 abnormal specimen precisely corresponds to that of the calcar in 

 the normal frog, both as regards the foot generally and in its 



