167 



Genus VANIKORO, Quoy et Gaimard. 



Syn. Merria, Gray ; Narica^ Recluz. 



Plate 482. 



Testa globosa, paucispiralis eancellata vel decussata, epider- 

 midetenui induta, perforata, iimbilicata ; umbilico in canalem 

 desinenti ; apertura ampla, margine simplici ; operculo corneo. 



Subgiobose, cancellated, generally white, with a thin 

 epidermis ; perforated, with an umbilicus ending in a slight 

 canal. Operculum horny, non-spiral. 



8p&cies. 



1 . CANCELLATA, f. 7, Recluz. — Oblique ovata, oblique 

 sinuatim costata, fills tenuibus decussata, umbilico magno ; 

 apertura maxima ; spira depressa. — This typical species has 

 thick flexuous oblique ribs, crossed with narrow threads. 

 The mouth is very wide. 



2. ciDARis, f. 10, Recluz. — Quam sp. 1, hand tantum 

 obliqua, leviter costata, apertura alta, columella rectiuscula, 

 apice producto, parvo. — Less oblique than sp. 1, more lightly 

 ribbed, aperture high as well as wide, columella rather 

 straight, a little swollen in the centre. 



3. GuEEiNiANA, f. 8, Recluz. — Obliqua, distanter oblique 

 costata; ultimo anfractu supra aperturam elevato ; umbilico 

 latissimo ; apertura magna lata depressa ; apice depresso. — 

 A very oblique small species, with oblique distant ribs 

 crossed by very light threads, a wide aperture, and very wide 

 umbilicus. The straiglit columella reaches to the suture. 



4. LiGATA, f. 19, Recluz. — Alta globosa, distanter oljlicpu' 

 costata; umbilico angusto ; anfractu ultimo supra aperturam 

 elevato ; apice producto. — JNIuch like V. Gueriniana in the 



