1 14 i:i:iTii[ii..r. 



Ha- i !n _ neral appearance f Trctm-iii*, and I formerly referred 

 it IM tliat L. r n>up ; vet it- anterior canal, and varicose lip remind one 

 of Cr i'! tli in in. 



VERTAGUS, Klein. 17 ">". 



:i:il I'.IIL: and -t miidy recurved, c.>lumella with an oblique 

 median plication. 



/,V*///o/-A/.'/>-. Swain-on. l*4n, is a synonym. 



Siil^eim- ( ' ^MI-AMU;. IJayle, 1884. 



Shell very 1 luniella simjilc, or with plications throughout 



it> length; aperture short; lip sinuous, oblique; canal strongly 

 twisted. 



C. L^VE, Quoy and Claim, is a typical living example of this 

 ; \\hich appeared in the upper Cretaceous and flourished 

 tin- Kocrne pi-riocl. 



Suli-'enus HK/.AM -.MA. llayle, 1884. 



Suture stronirly channeled, periphery continuous and detached. 

 ( . -I'M; \n M. Lam. Eocene of Paris basin. 



Subgenus BELLARDIA, Mayer, 1870. 



Last whorl with a >cri> of tubercle-, separated by a narrow, par- 

 tially do>ed t raii-ver>e ti ure. Fossil. C. JAM s, Mayer. Num- 

 mulite of Vinrciitin. 



Sul>Lfenu- CKIMTHINELLA, Gemmellaro. 1878. 

 Sul. perforate, very Ion--, cylindrical or turreted, plicate, and 

 .-pirally lined. L r ro\vth line- i-e.-urved m-ar the suture ; aperture 

 quadrangular with a very -hurt canal, columella straight. Having 

 the a-pect ..{' \i rim"/. ( '. tTALICA, Gemm. Jurassic of Sicily. 



Submenus r-i:i I.M i:i:rniirM. ( 'ossniann, ll. 

 Shell el-.n-ated. narrow, multispiral, with axial ridp- forming a 

 -..rt i,f pyramid t \vi-ted ,,n it- axis; a]>erture entire, slightly twi.-ted 

 in front. 



OHTOBTUM, I )'-! i i -chain p-. Jura ic of Ninnandy. 



Siibif,.nu> 'I'... M... MII.!>, (iemmellaro, l-^T'. 1 . 



iiiimhilicated, -hort, pnpoid-coiiic. \vliorU cancellated; aper- 

 ture rounded. olli,|Ue. channeh d behind, dilated anteriorly, coln- 

 niella thi<-k. forming a -liirht depn i,,n at the l.a-c. 



< DEBLONOCHAMPBL Gemm, Jura-ir of si.-iiv. 



