TOR.VATELL1DES OF HAWAIIAN ISLANDS. 



Molokai: Mapulehu (type loc.j, Kaluaaha (Cooke j ; Waia 

 lua (Thaaiiuin), Pimnea (Pilsbry & Cooke). Type no. 36243 

 Bishop Museum, cotypes no. 111847 P. A. N. S. and in Thaa- 

 n urn coll. 



Jn an iiniuature specimeji with 5i/ 2 whorls the embryonic 

 whorls are minutely spirally striate, the parietal lamella is 

 strong and oblique, 0.13 mm. in height. The columellar folds 

 are not as strongly developed as usual and almost equal in size. 

 The upper is 0.07 mm. in height (fig. 3). 



Jt is one of the most distinct species of the genus, and the 

 only one to show any color-pattern. Unfortunately an inju- 

 dicious amount of potash was used in cleaning these shells 

 and they have lost something of their original color. 



In Mapulehu all the specimens \vere taken on the dead 

 leaves of the Ti (Cordyline trrminalis). 



22. T. ID/E C. & P.,, n. sp. PL 47, figs. 3, 5, 6. 



Shell perforate, ovate, light-corneous, thin, transparent, 

 shining, nearly smooth, under a lens minutely striate. Spire 

 convexly conic, apex subacute. Suture simple, well impressed. 

 Whorls G 1 /^, convex, slowly increasing, compressed, the last 

 tumid, snbsaccate below. Aperture rather small, ovate. Pari- 

 etal lamella of moderate size, oblique. Coluraella almost 

 straight, simple, with two well-developed, oblique folds, both 

 of which extend to the margin of the columella. Peristorne 

 thin, convex. Umbilicus small, circular, deep. Length 3.6, 

 diam. 1.7, axis of apert. 1.2, par. lam. 0.18, umb. 0.14 mm. 



Oahu : Palehua, in the Waianae Mts. (type loc., Cooke), 

 Popowela, Makiki, Nuuanu, etc. (Spalding, Cooke). Type no. 

 1417S Bishop Museum, cotypes no. 111721 P. A. N. S. and 

 Spalding coll. 



T. ifl(C is widely -spread on Oahu but it is ra flier rare. 

 seldom are more than three of four specimens taken in a single 

 day's collecting. It is terrestrial and is usually found on the 

 dead leaves of the Ti (Cordjjl,inc ftrniimili.s). At first sight 

 it nii'-ih! be taken for a small species <>!' Tornatellaria, but it 

 differs from that genus in being viviparous, and the embry- 

 onic whorls are not spirally striate. 



