JOUKNAI. OK CONCHOI.Ot;Y, JULY, 1916. 



PLAlli 3. 



f X '2 



% 9 



10 



a 



I 



14 



15 



I 

 I 



s 



x2 



17 



Mag. 1 6 



13 



23 



•24 



11 



x2 



18 



xL 



EXTINCT GASTROPODA FROM LENHAM SANDSTONE. 

 (Figures nat. size except when otherwise specified). 



