PLATE VIII 



jr-.\V.\W>\". 



5 F K.H \r 



1888. 



1659. 



1890. 



5. F.KH lr. 



R.F.H.Sr. 



6 W.J.H. 3 



690 



6. W.J.H. 3r 



Persistence of minutiae at intervals of twenty-six, thirty and thirty-one years. 



