Pbentiss. — Polydactylism. 



PLATE 2. 



All figures are from skiagraphs of human foetal appendages. 



Left hand of foetus, No. 5809. 



Right hand of foetus, No. 5809. Note. — Tlie metacarpal mentioned in 

 the text (p. 254) lias failed of reproduction in the printing of this plate. 

 Right hand of foetus. No. 913. 

 Left foot of foetus, No. 913. 



