16 TRUNCATELLA $. 3. 
^ 
40. Tr. concinna Pease. t 
T. imperforata, cylindracea, elongata, tenuiuscula, nitida, 
alba, straminea vel rufo-cornea, confertim et recte costulata, 
costis in anfr. ultimo circa 31; anfr. superst. 4, plano-convexi, 
ultimus ad basin cristo-costatus; apertura subobliqua, ovalis, 
postice vix angulata; perist. simplex, continuum, subincrassa- 
tum, album, adnatum. — Long. 1, diam. 2!/, mill.* (P.) 
T'runcatella concinna, Harper Pease in. Proc. Zool. Soc. 1871. p. 468. 
Habitat in insula Apaiang Polynesiae (Kingsmill). 
Obs. Species 7v. scalariformi Reeve proxime affinis.** 
Tr. costellifera Pease. T 
.lT. crassa, non rimata, elongata, turrito- cylindracea, 
parum nitens, rubello-flavescens, longitudinaliter costata, costis 
rectis, compressis, in anfr. ultimo circa 20; anfr. persistentes 
D, convexi, ultimus circa basin compresso-costatus; apertura 
vix obliqua, ovalis; perist. simplex, continuum, adnatum; 
labrum dextrum acutum, intus vix incrassatum, extus prope 
marginem fortiter costatum, costa compressa, prominente, circa 
bus extensa, cum costa umbilicali continua. — Long. 1, diam. 
21/, mill.* (P.) 
Truncatella. costellifera Harper Pease in Proc. Zool. Soc. 1871. p. 468. 
Habitat in insula Vavau (Brazier). 
Tr. granum Garrett. 7 
.lesta immperforata, cylindriea, solida, cinerea; spira cy- 
lindrica, leviter attenuata, decollata; anfr. perman. 4!/j, con- 
vexi, medio planulati, longitudinaliter costati: costis parvulis, 
verticalibus, compressis, 30 in ultimo, angustioribus quam 
interstitia; sutura profunde impressa ; basis carinata, carina 
sursum curvata et prolongata; apertura parvula, !/; longitudinis 
subaequans, subobliqua, ovata; perist. crassiuseulum, leviter 
expansum, rotundatum; columella et pars parietalis copiose 
callosae, cum peristomate continuae. — Long. 4!/, mill.* 
(Garr. angl.) 
Truncatella granum. Garr. in. Amer. journ. conch. VII. p. 225. 
— — . Schneltz in Mus. Godeffr. cat. V. p. 105. 
Habitat in insulis Viti. 
