H E L I C I N A. 



Plate XXXIV. 



Species 303. (Fig. a, b, Mus. Mousson.) 



IIklicina Ti:cni-oi!M!s. Ifel. testa troc/iifonui, snb- 

 (lepressd, medio angulatd et carinata, supni carinani 

 spiraliter impresso-striatd, auranttd ; spird sub- 

 depressd, anfractibtts convexiusculis ; tdtimo 

 anj'ractu inj'rd carinam kevitjato, convexo ; aperturd 

 oblique szibt/uadratd, columeUd oMiqud, callo 

 vcntrali letiui. 



The rooe-shaped IIklicina. Shull trochifonn, subtle- 

 pressed, angular and keeled in the middle, spirally 

 impressed-striated, orange above the keel ; spire 

 depressed, whorls rather conve.\; last whorl smooth 

 below the keel, convex ; aperture obliquely sub- 

 quadrate, columella oblique ; ventral callus thin. 



MoussoM. Journal de Conchyliologie, 1870, p. 199, 

 PI. VIII., f. 7. 



Hab. Viti Islands. 



Species o04. (Mus. Crosse.) 



Helicina Lifouana. llet. ttstd mbglobosd, pallide 

 cinnamomed, earned : fpird convtxd, anfraclibus 

 pnrvis, apice obtuso, pallido ; ultimo anfractu 

 obscure amjulnto, infra valde convexn, callo vcntrali 

 lata, luteo, tumido ; aperturd pared, obliqui' semi- 

 lunari, labia externa angusto, rotnnilo, siiperne 

 depresso. 



The LiFor Helicina. Shell subglobose, pale cinnamon, 

 lleshy ; spire convex, whorls small, apex obtuse, 

 [)ale ; last whorl obscurely angular, very convex 

 below ; ventral callus broad, yellow, tumid ; aper- 

 ture small, obliquely semilunar, outer liji narrow, 

 round, dejiressed above. 



CiiOSSE. Journ. de Conch., 1809, p. 25, PI. II., f. .■). 



Hab. Lifou, New Caledonia. 



Species 305. (Fig. a, b, Mus. ? Copied.) 



Helicina Mariei. Hel. testa dep-essd, griseo-J'idvd 

 subangulatd, ad angidum sutwamque maculis rubri 



rhomhoideis notatd : spird depressd, anfraclibus 

 planulatis ; ultimo anfractu lata, compresso ; 

 aperturd obliqud ; columeUd pared, callo ventrnli, 

 tenui ; labia externo angusto, rotunda. 



Marie's Helicina. Shell depressed, fulvous grey, 

 slightly angular, marked at the angle and suture 

 with red rhomboidal spots ; spire depressed, whorls 

 liattened ; last whorl wide, compressed ; aperture 

 oblique ; columella small, ventral callus thin ; 

 outer lip narrow, rounded. 



Cuos.si:. Journ. de Conch., 1870, p. 2-15, PL XIII., f. 9. 



//((6. New Caledonia. 



Species 300. (Mus. Mousson.) 



Helicina interna. Hel. globoso-siibtrocldformi, tmui, 

 Icbvigatd, pallide strnmincd, fascia rubra angustd 

 pallid supra medium cinctd ; spird conicd, clevatd ; 

 (tnfractibus pauUi convexis ; callo ventrall tenui, 

 expanso, pallid!: roseo-fidvescenti. 



The internal Helicina. Shell globose-subtrochiform, 

 thin, smooth, pale straw, girt with a narrow red 

 band a little above the midtlle ; spire conical, 

 elevated; whorls a little convex, ventral callus 

 thin, expanded, pale huffish rose. 



Mousson. Journal de Conchyliologie, 187i.>, p. -'nl. 



Hab. \'iti and Mango Islands. 



es 307. (Mus. Mousson.) 



Heli^ 



;.\u'1;ri. Hel. testd solidd, subdepressd, 

 la'vigiiter, pallide rubescenti irregulanter Jlammis 

 maculisque rubris notatd ; spird depressd, apice 

 obtuso, anfraclibus convexiusculis, ultimo anfractu 

 medio lata, infrd medium convcco ; callo ventraii 

 tumidiusculo, albo; aperturd depressd, labia crterno 

 incrassato, rotunda. 

 Semter's Helicina. Shell solid, subdepressed, smooth, 

 pale reddish, irregularly marked with red flames 

 and spots; spire depressed, apex obtuse, last 



I'Y'bruary, 187-1. 



