HELIX. 



Plate LXXVII. 



Species 402. (Mus. Cuming.) 



lliiLix ANTIQUA. Hel. testa vix umbilicatd, globoso-acu- 

 minald, lcevi{/atd, alia ; spird etatd ; anfractibus qua- 

 tuor ad quinque, convexk, obliqui tenuistriatk, ullinw 

 rotundato ; aperturd oMique orbiculari ; peristomati 

 lata, ajfuso-rejlexo, marginihus conniventibus, columel- 

 lari dilatalo, late appresso, nmbilicitm occuUante. 



The antique Helix. Shell scarcely umbilicated, glo- 

 bosely acuminated, smooth, white ; spire raised ; 

 whorls four to five, convex, obUquely finely striated, 

 the last rounded ; aperture obliquely orbicular ; lip 

 broad, effused, reflected, with the margins approxi- 

 mated, eolumellar margin dilated, broadly apprcssed, 

 concealing the umbilicus. 



Adams and Reeve, Zool. Voy. Samarang, Mollusca, p. 61. 

 pi. 16. f. 1. 



Hab. Unsang, Borneo. 



An elegantly convoluted uncolouroil species, found by 

 Capt. Sir Edward Belcher at the above-uamed locality 

 among loose stones. 



Species 403. (Mus. Cuming.) 



Helix Knysnaexsis. Hel. testd umbilicatd, globoid, so- 

 lidiusculd, costulato-alriatd, sericind, cor/ieo-olivaced ; 

 spird brevi, obtusd ; anfractibus quatuor, convexius- 

 culis, ultimo injlato, basi tiitidissimo ; umbilico an- 

 gnsto, pervio ; aperturd rotundato-lunari ; peristomate 

 simplici, margine columellari dilatato. 



The Knysna Helix. Shell umbilicated, globose, rather 

 solid, rib-like striated, silken, homy-olive ; spke 

 short, obtuse ; whorls four, rather convex, the last 

 inflated, very shining at the base ; umbilicus narrow, 

 open ; aperture rotundatcly lunar ; li]) simple, colu- 

 meUar margin dilated. 



Pfeiffek, Pro. Zool. Soc. 1845, p. 131. 



ffab. Knysna, Cape of Good Hope. 



The rib-like stria; of this species are developed «itli 

 remarkable neatness and regularity near the apex. 



Species 404. (Mus. Cuming.) 



Helix connivens. Hel. testd umbilicatd, depresso-orbi- 

 culari, oblique creberrime teiiiti.strintd, conieo-strami- 

 ned, fascia rifo-fuscescente ad peripheriam cingulatd, \ 



February 



ipira suluris impressis ; anfractibus sex, plano-con- 

 vexis, ultimo obsolete carinato ; umbilico tuhprrnptc- 

 iivo ; aperturd circulari ; peristomate intus incrastato, 

 parum rejlexo, margiiiiius connirentiius. 



The conniving Helix. Shell umbilicated, deprossly 

 orbicular, obliquely very closely finely striated, horny- 

 straw colour, encircled round the jjcripherj' with a 

 light red-brown band, sutures of the spire impressed ; 

 whorls six, flatly convex, the last obsok-tcly keeled ; 

 umbilicus subperspective ; aperture circular ; lip 

 thickened inwardly, but little reflected, margins ap- 

 proximating. 



Pfeiffer, Pro. Zool. Soc. 1849, p. 130. 



Hoi. Loo-Choo Islands. 



The sutures of the spire are sufficicotly impressed to 

 show the peripheric band throughout. 



Species 405. (Mus. Cuming.) 



Helix Nouleti. Hel. testd vix umbilicatd, conico-dt- 

 pressd, purpureo-castaned, lucidd, longitudinaliter el 

 oblique striata, striis obliquis iubplicati.i, tubtu* dr- 

 pressd, uitidiore ; anfractibus quinque ad «er, de- 

 presso-convexii ; spird exsertiusculd, obtusd ; aperturd 

 obliqud, labia acuta, margine columellari tubincratmto, 

 cameo, umbilicum minimum occuUanlt aut tuboccul- 

 tante. 



Noulet's Helix. SheU scarcely umbilicated, coniniliy 

 depressed, purple-chestnut, lucid, longitudinally and 

 obliquely striated, obhque strife subplicate, depressed 

 and more shining beneath ; whorls five to six, dis- 

 prcssly convex ; spire but little cxscrtcd, obtuse ; 

 aperture obli(iue, lip sharj), columcUar margin somr- 

 what thickened, flesh-coloured, concealing or nearly 

 concealing the very small umbilicus. 



Le Gcillon, Kevue zool. Soc. Cuv. 1842, p. 137. 



Hab. Fecjec Islands. 



A dark purple-chestnut shell, covered towards the bas«> 



with a peculiar livid greenish porccllanous coating. 



Fig. 406. (Mus. Cuming.) 

 The shell here figured from Mr. Cuming's collection, 

 wher c it has the names //. Koreana, Pfr. and //. Herr- 

 manseni attached to it, proves to be a variety of H. coumi- 

 vens, rejircseuted at Fig. 404. 



1852. 



