PLATE Xn. 



Thir//t art/7 rj-oup pT-e.scntrilion, 



^ t/i/f'/-/ar//ft:'if///ff//f>/f . Hinf/ /I'nih drrifif-ifni 



after Fleming. 



A Hoen iCo Lith. Baltimore. 



v\B NOR^IAL T'riK SEN 1V\ TIOXS . 



