88 MESSRS. GULICK AND SMITH ON NEW ACHATINELLIN.E. [Jan. 7, 



Affinities. Aur. diaphana, which is much larger, is perhaps the 

 most nearly allied. 



Auriculella crassula, Sm. (Plate X. fig. 22.) 



Testa sinistrorsa (interdum dextrorsa) ovuto-conica, solida, distincte 

 perforata, haud nitida, dilute fusca ; anfract. 6|, subphni ; 

 apertura intus sordide albida ; perist. incrassatum, basi levisswie 

 dilatatum, ad anfract. ultimi juncturam tuberculo parvo promi- 

 nente munitum ; columella crassa, aliquant o rejlexa, haud plicata, 

 callo tenui labro juncta ; lamina parietalis tenuis. 



Long. 7i mill., diam. 4. 



Station. On the leaves of trees. 



Habitat. Makawao, on East Maui. 



Auriculella uniplicata, Pease, Journ. de Conch. 1868, pi. sir. 

 f. 7. (Plate X. fig. 21.) B.M. 



Testa sinistrorsa, plusve minusve perforata, nitida, lutea, fascia 

 fusca angusta anfract. ultimi medio cincta ; anfract. 7, vix con- 

 vexiuscu/i {interdum primi 3—4fusculi); apex subobtusus ; sutura 

 simplex, angustissime pallide marginata ; apertura albida, intusque 

 zona fusca externe visibilii ; lamina parietalis tenuis ; perist. 

 dilatatum, columella, callo crussiusculo junctum ; columella ali- 

 quanto rejlexa, haud plicata. 



Long. 8^- mill., diam. 4. 



Var. a. Testa concolor, fusco-lutea ; apertura et perist. aut albida 

 aut fusca. 



Var. /3. Testa fuscescens, zona pallida anfract. ultimi medio cincta. 



Station. On the leaves of the ki {Cordyline terminalis). 



Habitat. Lahaina, on West Maui. 



Auriculella brunnea, Sm. (Plate X. fig. 23.) B.M. 



Testa conico-ovata, sinistrorsa, subperforata, nitida, castanea ; 

 sutura simplex, anguste albo cincta; anfract. 7 , pendulum conveii, 

 primi 2 politi ; apex obtusiusculus ; apertura fusca ; lamina parie- 

 talis alba, tenuis; perist. leviter dilatatum, callo albido tenui 

 ad columellam junctum ; columella paululum rejlexa, vix plicata. 



Long. 8 mill., diam. 4. 



Station. Arhoreal. 



Habitat. Islands of Molokai and Lanai. 



Auriculella patula, Sm. (Plate X. fig. 24.) B.M. 



Testa sinistrorsa, ovato-conica, tenuis , perforata ; anfract. 6, con- 

 vexiusculi, primi 5 castanei, ultimus pallidior ; sutura simplex, 

 angustissime albo cincta ; apertura patula, intus subrosacea ; 

 labrum dilatatum, brunneum ; columella plicata, paululum rejlexa, 

 callo pertenui lubro juncta ; lamina parietalis alba, mediocris. 



Long. 7\ mill., diam. 4 \. 



Habitat. Sandwich Islands. 



The broad form, patulate aperture, and style of colouring are the 

 chief characteristics of this species. 



