32 



TYPE AMMONITES— VI 



Oct. 



likeness in ribbing to the outer whorl of Virgatites pallasi, Michalski sp. 

 (i8go, IV, i), in that the spaces between the primary ribs are wide, while 

 the secondary ribs are approximate — making only a narrow V. 



-r,..* • 





■r^ 





ff.fi. 



Fig. 2. Rhynchonella portlandica, Blake x o'gS 

 An area of about y\ square inches shows some 20 specimens of the 

 Rhynchonella with examples of a rugose Exogyra at N. and in N.W. corner. 

 From [bottom of] a large fallen block of Massive Bed (/() 



Fig. 3. Portion of Fig. 2 enlarged, x 1-5 

 ["The Exogyra may be compared with E. spiralis, Goldfuss " J.W.T.] 



In a fallen block in the little bay immediately west of Chapmans 

 Fool my eldest daughter called my attention to an ammonoid which 

 turned out to be the only English specimen that I have yet seen with 

 satisfactory virgatite, quadruplicate ribbing. It is ciushed and otherwise 



