Memoirs Bost. Soc. Nat. Hist. Vol. 5. 



Plate 59. 





91' 







gen 



CO 



/etc 







Tfb 



nh 



5 



^* 







«■ /« 



I. 



I.i 



E S Morse, del 



B Meisel hlh Boston 



"Morse on Living Brachiopoda 



