01 \. 



tuberculated ; lip prominentlv, dent icnlatel v varies,- externally. 

 Length, o mill. 



.!/' '//'// ,-, 



II is /,'. Dfi;i,ii, Arad. :in<l Benoit. A'.///'"/'"'"'". IJe.jiiien, :nni 

 - nn/<if<i, Yar. nu'nn,; IMiil. 



i; LBRA, I'l.ii. IM. n:;. n-. 84. 



Longitudinally plicate, obsolete below, spirallv lirate. t'iniiiFiL r 

 inainillary tulx-rdcs ; \\liorls li, sli^lit Iv con\ <-\ ; white, niacii 

 \vith chestnut; li[> sulcatc \vithin, vari-.~(. , xtrniallv. 



Length. .'5 mill. 



It is E. mutabilis, Selnvart/. M 



^ronts. PI. <;<;, n-. 38. 



Rather solid, lirownish, regularly clathratc l>y loiiLrit inlinal narrow 

 rihlcts and more numerous spiral lira-; lip plicate within, externally 

 dentately varicose; whorls (!, moderately convex. 



Length, 3'75 mill. 



MI iliti ri-'iin > 



It is R. dathrata, Phil. 



R. SUBARKOLATA, NFollts. IM. <)O, fig. 25. 



Imperfbrate, translucent, brownish, suhclathratc hy longitudinal 



rihlots crossed by spiral lira 1 ; whorls ">, convex, with deep sutiiiv: 

 eolomella arcuate, basal area cinmilate, lip thickened externally. 



Length, 3 mill. 



.s'/V/7// t ni 1 1 A ' 



It is E. Caribcea, .Monts. If. <;>*f,i/,tf, S. Wood. /,'. - 

 Jeffreys. 



R. LKACOCKI, Watson. IM. IM, li-<. : > >:i. 54 



Minu'ely I'imato, solid, tran.-luceiit. yellowish \\hite. with t\\> 

 chestnut bands, white betwet-n them, with lo-ls >tr.'iiL r obliipie 

 ribs, and equally strong spiral ribs, forming rather lar. 

 nodules; whorls o-ti. -onu-what coiiically tlatteiie.l. Miture diMinct; 

 lip varicose. Length, lMi mill. 



i;. MMI-.I v.d'orb. n. ;.;. fig.57, 



Shell ini|iert'oi-ate, thick, white, with two chcMnut band-, >imi 

 clo-ely nodulous, with spiral ribs at theba>e; wlmrl--''. ^\ilh 



rather narrow suture; lij) thick. Length, '2 mill. 



