Original Descriptions of Achatiyiella. 29 



\'ar. Shell dextral ; first 3 whorls pale, the following 2 and 

 the upper half of the last whorl striped with gray-brown, the lower 

 half yellow, banded with gray-brown. 



Affinities. It is allied to A . apicatiis Xewc . , and A . lilaceiis Gk . 

 Remarks. In Ahonui tw^o-thirds of the specimens are sinis- 

 tral ; in Kalaikoa only about one-eighth are sinistral. — Sm. 



Hab. Most abundant in Kalaikoa and Ahonui, but it is some- 

 times found in valleys to the west as far as Waialee. — Sm. 



31. Achatinella valida Pfeiffer. 



A. valida Pfr. P. Zool. Soc. London. 1S55, p. 6: pi. xxx. fig. 24. 



A. testa imperforata. dextrorsa Trarius sinistrorsa ), ovato-conica, solida, 

 sublaevigata, cinereo-fusca, pallide subfasciata et nigro strigatula ; spira cle- 

 vata, conica, apice fu.sca, acuta; sutura marginata. alba; anfr. 6. primis ^ 

 planis, sequcntibus convexiusciilis, ultimo 2-5 longitudinis subitquentc, in- 

 flate ; apertura obliqua, truncato-aurifonni ; plica columellari supera, nodi- 

 formi, parum torta ; pcri.st. fusco limbato, niargine dextro subrccto, stricti- 

 usculo. columellari dilatato, appresso. Long. 21 1-2, diam. 13 mill. 



B. Nigra, pallide interrupte lineolata vel fasciata. 



Shell dextral (more rarely sinistral), imperforate, ovately 

 conical, solid, smooth, a.shy brown with fine pale bands and black 

 stripes; spire elevated, conical, apex brown, acute; suture mar- 

 gined, white ; whorls 6, first three flat, the following somewhat 

 convex, the last inflated, equal to 2-5 of the length ; aperture ob- 

 lique, truncate-auriform ; columellar fold high, nodiform, slightly 

 twisted ; lip margined with brown, nearly erect at the right mar- 

 gin, somewhat constricted, expanded at the columella, appressed. 



Hab. H. I. — Frick. Helemano to Waialee. 



Mr. Baldwin places this with A . swiftii Newc. 



Ur. Cooke found the type shells to be longer and narrower 

 than the typical swiftii, and it ma)- come from the Waianae side of 

 Waialua. 



32. Achatinella cinerosa Pfeiffer. 



A. cinerosa I'fr. V. Zool. .Soc. Ix)ndon, 1855, p. 2. pi. xxx, fig. 5. 



A. te.sta dextrorsa, imperforata, ovato-conica, solida. sublievigata, 

 nitida, fu.sco-grisea, lineis fuscis ct albis radiata ; spira conica, apice acuti- 

 uscula, alba; sutura subcrenulata, albo-marginata ; anfr. 6. vix convexius- 

 culis, ultimo spira paulo breviore, basi rotundato ; apertura ])arum obliqua, 

 truncato-auriformi ; plica columellari torta. valida, dentiformi ; ])erist. crasse 

 albo-labiato, margine dextro substricto. breviter expanso, columt-llari crasso, 

 adnato. Long. 21, diam. 11 mill. • 



H. Fulvifla, fusco rarliabi. sutura concolore. 



Shell dextral, imperforate, ovately conical, .solid, smooth, 

 shining, brown-gray, striped with brown and white lines; spire 

 conical, apex somewhat acute, white ; suture subcrenulate, white- 



