PAL/EONTOGRAPHICAL SOCIETY, 1912 



LI PLATE LV 



* 111 ■ 



11 



12 a 



12 b 



13 a 



13 h 



L4 a 



14 b 



14 c 



T.A. Brock, clel. 



CRETACEOUS LAMELLIBRANCHIA 



London Stereoscopic Co. Imp. 



