302 
The white and brown rectangular bars, not being continuous from one whorl to another, 
give the shell a tesselated aspect. 
Long. 0,28, lat. 0,11". 
Nitidella elegans Dali Amer. Journ. of Conch. VII 1871 p. 110, 
Panama. 
47. Columbella (Nitidella) vitiensis Dunker. 
T. parviila, solidula, oblongo-pyramidalis , subfusiformis, laevigata, flavida, fascia 
maculis albis et fuscis subquadratis infra suturam tesselata, lineolis pallide fuscis anuulatis 
reticulata vel marmorata; anfractus parum convexi, sutura distincta divisi, ultimus spira 
paullo brevior ad basem transversim distincteque costatus, macularum serie fuscarum 
notatus; columella sinuata, plicis nonnullis rugosa; labrum acutum intus incrassatum, 
superne emarginatum, costis tribus erassiusculis munitum; peristoma ovato-subrhombeum. 
Long. 6, diam. vix 3 mm. 
Columbella (Nitidella) vitensis Dunker Malacozool. Bl. XVIII 1871 
p. 156. 
Viti-Inseln. 
48. Columbella (Nitidella) plicatula Dunker. 
T. parva solidula, subulato-turrita, nitida, alba, fusco-flammata, et variegata, anfrac- 
tibus 9 planiusculis, sutura lineari subcanaliculata divisis, longitrorsum plicatis instructa, 
anfractus ultimus dimidiam circiter longitudinem cochleolae aequans, ad basem transversim 
costulatus; rostrum longiusculum curvatura paullo erectum; canalis latus;, apertura ovata; 
labrum incrassatum, externe costis tribus majoribus, interneque denticulis 6—7 munitum; 
columella quinqueplicata, superne valde sinuata. 
Alt. 10, diam. 3,5 mm. 
Columb ella (Nitidella) plicatula Dunker Malacozool. Bl. 1871 XVIII 
p. 158, nec Zeitschr. f. Mal. 1853. 
Viti-Inseln. 
49. Columbella (Anachis) pusiola Dunker. 
T. minima, magnitudine Col. nanae, oblongo-pyramidalis, subfusiformis, flavida, 
maculis fuscis irregularibus variegata, epidermide tenuissima pellucida vestita, anfractibus 
9 parum convexis instructa, costulis transversia et longitudinalibus confertis subreticulata; 
