﻿PLAN A X I S. 



Speciis ;>:;. (Mas. Brit.) 



I'l.AXAXls ERORPrs. I'lii. /is/ii iilhi!, piUTU, iirnlo- 

 ariimiHard, ml (ii>ii:riii fuln! : ."/-irii r/cnj/i?, 

 mio-roiiat<; ; (ui/rarllhiis „rl. „,;.<. iu/rrinrihii.-: r.i,,- 

 vexi.<,splrallhrsulcatis.costl.-< inter suklsdhiu'diati-:; 

 api;tiiinl stihacatd ; lahro ad maryineni acuto, 

 bniitnco tiiaculdto, iiitHs incrassato, denticulato ; 

 rohimcUd itiruatd, callo postko parvo. 



TuE IVORY Planaxis. Shell white, small, ovately 

 jicummated, fulvous at the apes ; spire raised, 

 mucronated; whorls eight, lower convex, spirally 

 grooved, ribs between the grooves divided ; aper- 

 ture subovate, outer lip sharp at the margin, 

 spotted with brown, thickened and denticulated 

 within ; columella arched, posterior callus small. 



Smith. Proc. Zool. Soc. 1872, p. 42. 



Jfah. St. Thomas and St. Vincent, West Indies. 

 The ribs arc divided by a spiral line in the centre. 



Species 3k (Fig. a, b, Mus. Brit.) 

 PlaNAXis I'UNCTO-STRIATUS. Pla. ffstd augustr pijr 

 midatd, ?/»(•/■•-■ miinili^simr ]iitiirfi-)..ifriiifi:-- .■-•p/V.i/// 



cliidd, hi 

 .,,.adrat!. 



„fli;dr f„!r 



rfn.^fr, 

 ,i„r,di 



.ijiint rliiiijjiihi, niifradibus seniK, convexiihculis, 

 nllniio ^iihr.iiln'i-iisij ; aperturd brevi, subovaid, 

 aiilirc colidr iiiiio-giiiatd, man/ine lahri macidaio. 



The poNCTUKK-siRiATED Planams. Shell narrowly 

 pyramidal, sjiirally encircled with very minute 

 puncture-striated lines, smooth, pale fulvous, 

 ornamented with small square chestnut spots; 

 sjiire elongated, whorls six, rather convex, last 

 rather ventricose ; aperture short, subovate, an- 

 teriorly strongly notched, margin of the outer 

 lip spotted. 



Smith. MS. Mus. Brit. 



JJah. ? 



Species 3o. (Fig. a, b, Mus. Hanlcy.) 

 'laxaxis Bkasiliaxijs. Fla. testa vluiuj,<tn.p. 



dali.':. h> 



ribd. crassissir, 



/•/-))-//-«s Jhyiindrr ,i,-!sr,. f„sr,at,.<. >illn,n. n,Jr,> 

 „ii-di„„i uh/Hsr ,iinjiil<il'< : .iperhn-d /HU-rd. nrald, 



fiilrd: l.il.ru „d dorsum tmnido. >:iipru ninrghniu 

 drj!rx,i.n,li)snddeincras.':alodeni!r,ihftu:rnliii,ir]l,: 

 hr,-ci i.irriissntd, arriiald. auficr pr.,di,rld. ,•„»„/; 

 autd-o cluiujnto, r.vl>'s linnid.,. 

 Brazilian Pla.nam^. Shell clungati-.i.yiauii.lal. 

 smooth, white, very thick, covered with a vel- 

 vety epidermis ; spire raised, whorls seven, uppei- 

 often banded with grey, last obtusely angular 

 below the middle ; aperture small, ovate, fulvous, 

 outer lip tumid at the back, bent down above 

 the margin, much thickened and denticulated 

 within; columella short, thickened, arched, 

 produced anteriorly, anterior canal lengthened, 

 tumid outside. 



\UCK. (Buccinum.) Anim.s. Vert. Vol. \' 11.] 1.272. 



I ((.[•(■.< irudlig. Sowerby. 



■ilium lii'piijafum. Wood. 



<a,ris fidra. A. Adams. 



la.ris piijra. Forbes. 



. Brazii. 



Species 36. (Fig. a, b, Mus. Hanley and Brit.) 



^LANAXls ((^uoyia) Michaudi. Pla. testd pi/rami- 

 data, eliwatd, keviyatd, fused, fulvo vel ijriKi'i 

 lonijitud'iiialiter fasciatd ; spird elcmgatd, coni'cd : 

 aiifractibus septenis, cuncfxiiiscidig, ultimo liifrn 



medium aiujulafo 



(lite 



!;triii.tu 

 <i,pi'rii 



iHk Irrill' 



<!"• 



rrtiir, 

 drain 



indutd; spird (devatd, aiijractibus >i,ptriii 



coliimcdld s 



d.„t,i/d,,id trriiiiiiun, Iriiin-otd: lain;, iutiis h-iiiii- 



ter lirotn.dridiriilata: oni.ili aiili.u hrroi, ruliiiido. 



Micuaid's Planaxis. Shell pyramitlal. raised, smooth, 

 brown, longitudinally striped with fawn or grey ; 

 spire elongated, conical ; whorls seven, rather 

 convex, last angular below the middle, lightly 

 spirall_y striated above the vaiix of the canal ; 

 aperture short, subtrigonal, columella cut out in 

 a square above, with a sharp tooth, truncated at 

 the end ; outer lip finely ridge-toothed ; anterio 

 canal short., round. 



Crosse and Fischer. Journ. roncli. Vol. XI. ]i. 37-j. 



Hab. Eastern Seas. 



