INOCBRAMUS. 



277 



as I. CrijrpsI, Mantel], and that identification has been accepted by many later 

 writers. The type of /. Criiipsi came from the Chalk Marl (zone of SchJo3nhachia 

 varians). From a stndy of a cast of the type, Petrascheck and J. Bohm^ came 

 to the conclusion that the Senonian species is quite distinct from I. Crippsi, and 

 Bohm has named the former I. halUcus. Bohm also supports the view first 

 suggested by Messrs. E. T. Newton and A. J. Jukes-Browne, and confirmed by 



\ 



\ 



A>* 



Fig. 35. — Inocerainus Crii^psi, Mantell. Upper Greensand, Haldon. Eight valve. British Mvisevim (Nat. 



Hist.), No. L17201. Natural size. 



Petrascheck, that I. latus of Goldfuss and of d'Orbigny (but not of Mantell) is 

 identical with I. Crippsi, Mantell. After a careful study of the type and other 

 similar specimens of J. Crippsi, and of specimens of I. latus, I can fully support 

 these conclusions. 



I. cuneiformis, d'Orbigny,' is allied to /. Crippsi, but is relatively higher. One 

 specimen found in the Upper Greensand of Warminster (Plate XLVIII, fig. 3), 



^ ' Subhercyn. Kreidemulde ' (1909), pp. 41 — 46; Petrascheck, "Inoceram. a. d. Gosau," ' Jalirb. 

 d, k. k. geol. Eeiclisanst.,' vol. Ivi (1906), p. 155. 



3 ' Pal. Franc. Terr. Cret.,' vol. iii (1846), p. 512, pi. ccccvii. 



37 



