2 
2. A. cern, Pfr. (Pl. XXX. fig. 21.) A. testa subperforata, 
dextrorsa, elongato-conica, tenui, striatula, diaphana, cerea; spira 
turrita, apice obtusa; anfr. 8, viv convexiusculis, ultimo 4 longi- 
tudinis subequante, basi subcompresso; apertura parum obliqua, 
truncato-ovali ; lamella parietali tenui ; plica columellari obsoleta ; 
perist. albo, margine dextro breviter expanso, columellari dilatato, 
patente. 
Long. 82, diam. 32 mill. 
Hab. In insulis Sandwich (Dr. Newcomb). 
Sect. FrickE.ua, Pfr. 
(Testa subperforata, oblonga; paries aperturalis lamella spiraliter 
intrante munitus; plica columellaris compressa, mediana;_perist. 
simplex, rectum.) 
3. A. ama@na, Pfr. (Pl. XXX. fig. 3.) 4. testa subperforata, 
ovato-oblonga, tenui, striatula, nitida, lutea, fusco obsolete uni- 
fasciata ; spira convexo-conica, apice obtusula ; sutura impressa ; 
anfr. 64, convexiusculis, ultimo 3 longitudinis subequante, basi 
subattenuato ; apertura obliqua, semiovali ; lamina parietali sub- 
transversa ; plica columellari subduplicata, callosa, superposita, 
lamina spirali ; perist. simplice, recto. 
Long. 113, diam. 5 mill. 
Hab. In insulis Sandwich (Frick). 
Sect. Butrme ta, Pfr. in Malak. Bl. 1854, p. 119. 
4. A. canpipa, Pfr. (Pl. XXX. fig. 4.) A. testa dextrorsa, 
imperforata, ovato-conica, striatula, parum nitida, candida ; spira 
convexo-conica, vertice minuto, nigro, acutiusculo; sutura levi, 
filomarginata; anfr. 65, planiusculis, ultimo 3—4 longitudinis 
equante, obsolete angulato, basi rotundato; apertura obliqua, 
truncato-auriformi ; plica columellari mediocri, supera, obliqua, 
subcompressa ; perist. fusco-violaceo, intus valide labiato, mar- 
gine dextro expanso, columellari dilatato, plano, crasso, adnato. 
Long. 22, diam. 11 mill. 
Hab. In insulis Sandwich (Frick). 
5. A. crnerosa, Pfr. (Pl. XXX. fig. 5.) A. testa dextrorsa, 
imperforata, ovato-conica, solida, sublevigata, nitida, fusco-grisea, 
lineis fuscis et albis radiata; spira conica, apice acutiuscula, 
alba; sutura subcrenulata, albo-marginata ; anfr. 6, vix convexius- 
culis, ultimo spira paulo breviore, basi rotundato ; apertura parum 
obliqua, truncato-auriformi ; plicu columellari torta, valida, denti- 
formi; perist. crasse albo-labiato, margine dextro substricto, 
breviter expanso, columellari crasso, adnato. 
Long. 21, diam. 11 mill. 
2. Fulvida, fusco radiata, sutura concolore. 
Hab. In insulis Sandwich (Frick). 
6. A. macrostoma, Pfr. (Pl. XXX. fig. 6.) A. testa dex- 
trorsa, imperforata, conico-ovata, solidula, levissime siriatula, 
nitida, fulva, fasciis nonnullis pallidis et fuscis variegata; spira 
