PROC. ACIIO. NAT. SCI.. PHILAD'll. IBBB. 



PLATE IV. 



iiST 



I I I M I I M : I 



hb 



120 



1 1 1 1 1 1 

 130 



1 1 1 1 1 1 1 



1 1 1 1 1 1 1 



40 



EEliTII, METEOmC IRON FRIM EIST TENIIESSEE. 



