whorls !)-!<). slopinirly flattened, suture inconspicuous ; lip nodo.-ely 

 varico.-e. Length. \'~> mill. 



I't. (\Hiliuti/ "itfl ]><lt<i of flit' Ir<iii<i<li/. 



I. rBOGHLSABfe, < Jould. IM. CO. figB. 64, 66. 



[mperforate, thick, ash colored, with 7 wlmrls, of which 4 are 

 normal, with elevated spiral ribs, interstice- channeled and very 

 finely dedicated ; lip subvarico-e. Length. 4 mill. 



J'lJflH. Hnii'l l\nmj, SfHf/iljHH-f. Crillnii, /V/W'O/ (in If. 



I. sulclfera and /. /////////, (Jonld, teste Sowh.. /. inihrirnfn, (Jonld, 

 /. ninnlitn, Dnnker, and var. in'nn,,\ Xevill ( li-'. 65), ETC >yii(.nyiiis. 



I. 9ULCIFERA, Ti'oschel. IM. US, li^. i*-"). 



Turreted, thick, strongly spirally ribbed and sulcate, lo ril> on 

 the la>t, 4 on the upper whorls, those on the base smaller, sutuiv 

 di.-tinct : lij) thick, but not varicose, expanded helow. 



I.eiiLTth, 12 mill. 



Pent. 



An aherrant form which I am nnahle to locate .satisfactorily. I 

 am not aware that it ha> IK-CM recou'iii/ed by any coiicholo-'ist -incc 

 its juihlication in \*~>'2. 



Genus I-l-M-LLA, A. Ad. 1S71. 



I', ri r ..... >. A. A.I. PI. (50, li-. 7C>. 



[mperforate, thin, jmpoidal, pah- brown, with a chestnut band on 

 the middle of the whorls, two on the last whorl ; whorls 7', earlier 

 ones snbaiiLrnlated in the middle, the other.- c.mvcx, spirally striate ; 

 lip ,-imple. 



I- pri-hap- a variation of the next Specie*. 



i.-'. M\. Phil. IM. r,<. fig. 79. 



Thin, yellowi-h, with liirlit che.-tniit loii-itndinal llanic-. <-Io>ely 

 ilv -iriatc; \\horU 7 \ COHVeX, SOmetimefl varicosi; columella 

 Mil.truiicat.-. Lrn-ili. <i mill. 



s, a, 



!-.i'i POIDEA, Tryoa IM. tin. ti-. 77. 



Whorls about i. convex, <-|,,M-lv sjirally striate. thin, liirht oli- 

 'i- browni>h. with a '-hcstnnt spots under the suture; 



lip >iiiiplc. -harp. Leiii:tl,. ; ,,,ill. 



M<,,,t> rey, 1'nl. 



