DUPLICATE TWINS AND DOUBLE MONSTERS 



H. H. WILDER 



PLATE A 



Bl Bll Bill 



Cl Cll Ci 



^^ff-W -m^-^ 



DIAGRAM SHOWING THE INTERRELATIONS OF THE VARIOUS SORTS OF DIPLOPAGI AND 

 DUPLICATE TWINS, ILLUSTRATIVE OF THE THEORY ADVANCED IN THIS PAPER. FURTHER EX- 

 PLANATION IN THE TEXT. 



AMERICAN JOURNAL OF ANATOMY— VOL. Ill 



