69 



brevi, angusto. ~ Long. 20, diam. 11 mill. Ap. 10 mill. 

 longa, 5 lata. 



Habitat in insulis Sandwich. (Frick.) 

 97 ^ A. valida Pfr. 



T. imperf orata , dextrorsa (rarius sinistrorsa) , ovato- 

 conica, solida , sublaevigata, cinereo-fusca , pallide subfas- 

 ciata et nigro-strigatula ; spira elevata, conica, apice fusca, 

 acuta ; sutura marginata , alba ; anfr. 6 , primi 3 plani , se- 

 quentes convexiusculi , ultimus 2/5 longitudinis subaequans, 

 inflatus ; apertura obliqua, truncato-auriformis ; plica columel- 

 laris supera, nodiformis, parum torta; perist. fusco-limbatum, 

 margine dextro subrecto, strictiusculo , columellari dilatato, 

 appresso. — Long. 21 Yo, diam. 13 mill. Ap. IO1/2 mill. 

 longa, intus 5^/2 lata. 



ß. Nigra, pallide interrupte lineolata vel fasciata. 



Habitat in insulis Sandwich. (Frick.) 

 100 ^ A. globosa Pfr. 



T. subimperforata, dextrorsa, conico-globosa , tenuius- 

 cula, striatula, alba, lineis fuscis cingulata; spira brevis, 

 convexiusculo-conica, subacuta; sutura levis, submarginata; 

 anfr. 5 modice convexi, ultimus ventrosus, spiram sub- 

 aequans, basi fuscus; apertura obliqua, subtetragono-ovalis, 

 intus margaritacea ; plica columellaris levis, vix torta ; perist. 

 acutum, fusco-limbatum, intus albo-sublabiatum , margine 

 columellari incrassato, subadnato. - Long. 17, diam. 11^2 

 mill. Ap. 10 mill. longa, 6 lata. 



Habitat in insulis Sandwich. (Frick.) 



105 *. A. conspersa Pfr. 



T. imperforata, dextrorsa, conico - ovata , tenuiuscula, 

 conferte striata, saturate fusca, maculis sordide albidis, 

 strigas angulosas formantibus conspersa; spira convexo- 

 conica, apice acuta; sutura simplex; anfr. 6, superi planius- 

 culi, penultimus convexior, ultimus ^j^ longitudinis sub- 

 aequans , rotundatus ; apertura parum obliqua , sinuato- 

 elliptica ; plica columellaris subbasalis , compressa ; perist. 



