TORNATELLIDES OF HAWAIIAN ISLANDS. 209 



is quite recent, since part of the sheik still retain their proper 

 color, though none were collected alive. It contains, however, 

 a number of species now believed to be extinct. 



15. T. CONFUSUS (Sykes). PI. 46, figs. 1, 2. 



Shell perforate, narrowly ovate, brownish-corneous, trans- 

 parent, thin, glossy, under a lens minutely and irregularly 

 striate with lines of growth. Spire with slightly convex out- 

 lines, apex rather obtuse. Suture simple, well impressed. 

 Whorls 514, the embryonic increasing rapidly, the rest con- 

 vex, increasing irregularly, the last long, convex, tapering to 

 the base. Aperture large, narrow, obliquely truncate-ovate. 

 Parietal lamella very low, forming a slightly raised line. 

 Columella narrow, slightly tumid above, without folds. Um- 

 bilicus very narrow, hardly circular, about one-fifth 'of the 

 total diameter. Length 2.5, diam. 1.3, axis of apert. 1.05, par. 

 lam. 0.02, uinb. 0.26 mm. 



Hawaii: Hilo (Gould, Thaanum, Cooke), Puna (Thaanum), 

 Olaa (Cooke). 



Pupa peponum GOULD in part, U. S. Exp. Exp. Moll., pi. 

 7, figs. 104 a, l>, c. Tornatellina confusa SYKES, Faun. Haw., 

 ii, Moll., pp. 380, 382 (1900). ANCEY, Journ. de Conchyl., li, 

 1903, p. 300. 



The specimen chosen for our figure (pi. 46, fig. 1) of this 

 species agrees very closely with Gould's figure 104&. The 

 original of figs. 104#, h, c is lost, and we propose the shell 

 drawn in our fig. 1 as type of the spe-cles as here rehabilitated.. 

 In the original figure the diameter is 52 per cent of the length 

 and the axis of the aperture is 75 per cent of the diameter. 

 In the selected specimen the diameter is 55 per cent of the 

 length and the axis of the aperture is 80 per cent of the diam- 

 eter. This species is very abundant in and around Hilo, and 

 there is no doubt that Gould's figured specimen came from 

 this locality. The figured specimen has the lowest parietal 

 lamella of several hundred specimens examined by us. Usu- 

 ally the parietal lamella is about 0.05 mm. in height in front 

 but it soon descends into a simple raised line in back. 



An immature specimen with 4i/ whorls has the columella 



