DUPLICATE TWINS AND DOUBLE MONSTERS 



H. H. WILDER 



lEET, 



EIGHT, 



FINGER PATTERNS OF TWINS NO. 1. THE TWO PERPENDICULAR ROWS TO THE LEFT REP- 

 RESENT THOSE OF THE TWO LEFT HANDS; THE TWO ROWS TO THE RIGHT, THE TWO RIGHT 

 HANDS. IN EACH CASE THE LEFT HAND ROW IS THAT OF INDIVIDUAL X, THE OTHER THAT 

 OF INDIVIDUAL Y. 



AMERICAN JOURNAL OF ANATOMY— VOL. Ill 



