128 Original Descriptions of Achatinella. 



squares and other geometrical figures by light-colored lines. 

 Mantle light flesh color, bottom of foot light green. 



The type of Dr. Pfeiffer's species is a large sized A. sanguinea, 

 with the black markings carefully removed by design or accident. 

 This specimen is in the magnificent museum of Mr. Cuming. — 

 Newc. (Ann. I v yc. New York, vi, p. 326.) 



Hab. Lihue. — Newc. Wahiawa and Waianae Mts. 

 206. Achatinella ferussaci Pfeiffer. 



A. ferussaci Pfr. P. Zool. Soc. London, 1S55, p. 203. 



A. testa sinistrorsa, perforata, turrita, solida, subruditer striata, nuda, 

 coccinea ; spira elongata, subconcavo-conica, apice fusca, obtusiuscnla ; 

 sutura profunda, subcrenata; anfra. 7 1-2, superioribus planiusculis, sequen- 

 tibus convexis, ultimo globoso, 1-3 longitudinis non aequante ; apertura 

 diagonali, sinuato-semicirculari; columella distincte biplicata; plica supera 

 obliqua, obtusa, altera compressa, illi subparallela; perist. nigro-limbato, 

 margine exteruo recto, acuto, columellari dilatato, patente. Long. 24, diam. 

 11 mill. 



Shell sinistral, perforate, turreted, solid, quite roughly stri- 

 ated, without an epidermis, scarlet; spire elongate, slightly con- 

 cavely conic, apex brown, somewhat obtuse; suture deep, slightly 

 crenulate; whorls 71-2, the upper somewhat flat, the following 

 convex, the last globose, not equal to one-third of the length; 

 aperture diagonal, sinuately semicircular ; columella distinctly 

 biplicate; the upper fold oblique, obtuse, the other compressed, 

 nearly parallel to the first; lip edged with black, external margin 

 erect, acute, columellar margin expanded, spreading. 



Hab. Helemano. 



This is the same as A. sanguinea Newc. 



Shells from Molokai. 



VENUSTA GROUP. 

 207. Achatinella venusta Mighels. 



A. venusta Migh. P. Boston Soc, ii, 1845, p. 21. 



Shell sinistral, conical, bod}' whorl large and tumid, reddish 

 yellow, beautifully ornamented with black zigzag lines, more or 

 less numerous and regular, perforate; whorls 6, convex; aperture 

 subovate; lip simple, acute. L,ength 3-5, diam. 4-15 in. 



Animal slender, body flesh color with black puncta down the 

 sides; tentacles very black, superior ones long, inferior ones short. 



