PRENTIsS. — Polydactylism. 
Fic. 
Fig. 
PLATE 2. 
All figures are from skiagraphs of human foetal appendages. 
Left hand of foetus, No. 5809. 
Right hand of foetus, No. 5809. Norr.— The metacarpal mentioned in 
the text (p. 254) has failed of reproduction in the printing of this plate. 
Right hand of foetus, No. 918. 
Left foot of foetus, No. 913. 
