418 



CKETAC'KOU.S I.A.AIEI.I.IHHANCHIA. 



Figs. 249 — 2o2.—Exogyra digitata (Sow.). Upper Greensand (zone of Pcc/en asjjec). Left valves. 249, 

 near Lyme Regis ; British Museiun, No. 52. 250, White Nothe ; British Museum, No. L. 4914. 251, 

 Evei'shot; Museum of rractical Geology, No. 20956. 252, Weston, South Devon; Sedgwick 

 .Museum ; convex variety. All x J. 



1868. OsTREA DIGITATA, A. Biiait and F. L. Cornet. Meule Je Bracquegnies 



(Mtm. com-. etMciu. des 

 Sav. I'trangers, vol. 

 xxxiv), p. 47, pi. iv, figs. 

 1.2. 



1869. — — H. Coqiiand. Mon. Ostrea, Terr. Crot., p. 142, j-l. xli, 



figs. 6 — 8. 

 1871. — —F.J. Piriet and G. Campiche. Foss. Terr. Crct. Ste. 



Croix (Mater. Pal. 

 Suisse, ser. 5), p. 317. 



