MOLELOSEA 383 
Its most noteworthy features are the very elongately pyramidal shape, flattened 
whorls, and the two inconspicuous plicae on the columella, the upper one being more 
deeply seated than the lower. 
Has. Kauai, Kaholuamano at 4000 feet (Perkins). 
(13) TZornatellina trochoides sp. nov. 
Testa profunde perforata, cornea, pyramidalis, pellucida, fere laevis ; spira conoidea, 
apice acutiusculo; anfr. 7—74, regulariter lenteque accrescentes, planiusculi, ultimus 
ad peripheriam subcarinatus, sutura impressa; apertura quadrato-ovata, superne angu- 
lata, laminam conspicuam validam in pariete gerens; columella brunnea, incrassata, 
plicis duabus munita. Alt. 4, lat. 2 mm. 
Plate XI. fig. 31. 
Closely related, apparently, to 7. wmézlzcata Ancey; but differs from it in the 
relative proportions of height and breadth. 
Has, Lanai Mountains (Perkins). 
(14) TZornatellina umbilicata Ancey. 
Auriculella umbilicata Ancey, Bull. Soc. Malac. France, vi. (1889), p. 232. 
Tornatellina umbilicata Ancey, Mém. Soc. Zool. France, v. p. 721. 
Has. Maui, Lahaina (Ancey). 
Fam. STENOGYRIDAE. 
Operas Albers. 
Opeas Albers, Die Heliceen, 1850, p. 175; Martens, Die Heliceen, Ed. 2, 1860, 
p- 265 (type Bulimus goodalli Miller). 
(1) Ofeas junceus Gould. 
Bulimus junceus Gould, P. Boston Soc. 11. (1847), p. 191; U. S. Explor. Exped. 
Moll. pl. vi. fig. 87. 
Has. Hawaiian Islands (Gould); all the islands (Baldwin).—Oahu, Waianae 
Mts. (Perkins). 
i, 1k, TE. 50 
