B.M TERTIARY SHE1.LS. 



Plate I . 



X^ 



-Q 



36. 



4;ct, 





bo. 



5(i. 



/^ 



6h. 



lb 



\ 



K 



CM-Woodwaj-d del.etlith 



West, Wewnaan imp. 



Opi s t"h olo ran chmta . 



