l.VJ r.n-rn-M. 



I',. ! ITOD] . \Vatson. PL 30, fig. 1. 



Finely longitudinally ribbed, tenumatini: in a spiral suhnodiilous 

 thread at the sutiuv, a little below this a raised spiral line form- a 

 slight rarina. a less distinct one forms the inferior termination of the 

 ril>, base of body whorl concave, smooth ; ivory white. 



Length. ~t mill. 



Off PerncanlmcOy />/>/:/'/,- r7~> fms. 



\\. YVKMM, PfeifK-r. PI. 29, fig. 86. 



Thin, diaphanous, greyish brown, unicolored or with chocolate 

 , longitudinally plicate, decussated by spiral striae, the pli- 

 obsolete on lower part of the body-whorl which i 



gibbous. Length, 5 mill. 



It is J>. r'tiriittitiiiii, Muhlf'., and B. gibberuhim, Ads. 



B. PAI.I.IDIM, Pfr. PL 29, fig. 87. 



Somewhat solid, whitish or light corneous ; whorls 9, slightly 

 convex, longitudinally plicate and spirally minutely striate, the last 

 varicose. Length, 6 mill. 



Cuba, St. Thomas, ir. 7. 



Larger and more robust than the preceding species, B. 

 d'Orb., is a synonym. 



i : i M , Totten. PL 29, figs. 88, 89. 



Chocolate color, and conical-elongated when young, becoming 

 lighter colored and less conical wlu-n adult, tuberculated by decus- 

 satinir H-nlpture, of which the spiral only persists on lower part <>f 

 body- whorl. Lenirth, .") mill. 



New England to Fl<>ri<l. 



The synonyms are B. ////////////////, Totten, and B. Smji > Menke), 



uld, etc. 

 B. iota, C. B. Ad. (fig. 89), is probably only the juvenile of this 



;ix>suM, Gould. PL 2! i, fi- 90. 



\VlirU 8, jilanulatr. each with four incited sj.iral lines, usually 

 becoming <.l.|ric mi lower part of l>ody whorl, suture excavated : 

 conieou-. v;tr\ in- to chocolate rolor, sometimes lirht colored with 

 the inci-ed lines chocolate, interior chestnut color. Length. 1") mill. 



,S'/V/ 4 v/ fn Mnnti'i'ci/. < '//. 



