IXOCERAMUS. 



2!>7 



1902. IsoeKRXMUs LoiiXTVi J. P. J. Utni. M.>llu>k. i Diuiiiiuilcs Kridtafl. I. 



L;iiiirllil>r., p. lOo. 

 1C)0.5 — — T. Wefjiier. Zeitschr. <1. dcutsch. f,'eol. Gesellsch., 



vol. Ivii, p. Itit, fit,'. 7, pi. X, figs. 1, i, 

 and text- fig. 7. 

 ic»0(!. — — G. Siiiol,!id-l. Bull. luteriiat. Acad. Sci. Cracovi'-, 



p. 722, pi. xxvii, figs. 16-18. 

 l;i(»'.i. — -- J. Kuind: Ihi.l (19Ui<). p. 875. 



Fio. 54. — /noreraiiiiis lobalui, GoUlf. Zime of Artinoeamaz quadratut. East Leys, Yorkshire. BritUli Miisvuni, 

 No. L23itHl. Iiitfiiiiil cnst of rijjlit viilve; p isterior wing missin);. x J. 



Ih-srrijilinii. — Shell very im'i|iiilatcr;il, (^^{(iiic, compressed, sliuflitly eoiive.x — 

 till' anterior juirt iiinrc coiive.K tiniii llic posterior part; nuicli Iiij,^]ier tliaii Ioiil,'. 

 Aiitero-dorsal marginal pait .sloping steeply. \'entral margin eonve.x, with a 



