Prentiss. — Polydactylism. 
PLATE 1. 
All figures are skiagraphs of human appendages. 
Fic. 1. Right foot of foetus, No. 6780. 
Fic. 2. Left foot of foetus, No. 6730. 
Fig. 3. Left hand of foetus, No. 912. 
Fic. 4. Right hand of foetus, No. 912. 
Fic. 5. Left foot of foetus, No. 912. 
Fic. 6. Right foot of foetus, No. 912. 
