EXPLANATION OF PLATE XXMIL 



TeREBRATULA HARI.ANl Alortoii, p. ,357 



1-3. Tliree views of a very perfect specimen of the t>"pical form. 



I liii'i'iiltrz^'ii foniialion ; near Xez^' Ei;ypf. 

 4-6. Three views of a specimen helonging to the varietv fragiU's. 

 Same li'callty. 

 7. Internal cast of pedicle vah-e. 



I'iiieciilozen sand; near Deal, (l.'-'). 

 S. The hrachidinm. (After Whitiield.) 



Terebratulixa ATI.AXTICA ( }\Iorton ) p. 360 



g-io. Two views of a nearly perfect internal cast. 

 11-22. Two views of a similar bnt somewhat larger individnal. 

 ManaS'/aan marl: I'armingjale, li^S). 



936 



