6 AMERICAN JOURNAL 



acuta ; apertura oblongo-ovalis ; columella subrecta, planulata, 

 ad umbilicum vix everta, alba; fusco rubida, interdum rufo- 



cornea. 



Long. 15, Diam. 8 mill. 

 Hah. Oahu. 



L. coMPACTA, Pease. Plate 3, fig. 4. 



T. elongato-ovata, solidiuscula, nitida, loevi, sinistrorsa, flaves- 

 cente-cornea, interdum albida; anfr. 5, convexis; apertura ob- 

 longo-ovata ; columella vix arcuata, planulata, simplex, callosa, 

 alba. 



Long. 7, Diam. oh mill. 

 Hah. Oahu. 



L. AMBIGUA, Pease. Plate 3, fig. 5. 



T. tenui, ovata, sinistrorsa, Isevi, nitida, interdum transversim 

 obsolete tenuiter striata ; spira acuta ; anfr. 4-5, convexis, ulti- 

 mus vix turgidulus, interdum superne rotundato-angulatus ; su- 

 tura impressa; apertura oblongo-ovata ; columella vix arcuata, 

 callosa, infra everta, expansa, alba, cornea, rarissime rufescenti- 

 cornea. 



Long. 10, Diam. 6 mill. 



MELANIA, Lam. 



M. Mauiensis, Lea. 



1856. Proc. Phil. Acad. Nat. Sci., vol. 8, p. 145. 



The above, described from specimens collected on the Island 

 of Maui, is also found at Oahu, but is most fullj developed on 

 the Island of Kauai, where it attains to the size of 40x15 mill. 

 It is finely compressedly ribbed transversely, interstices concave, 

 and striate longitudinally. The ribs of the spire, and generally 

 those on the upper part of the last whorl are granulose. 



M. Newcombii, Lea. 



1856. Proc. Acad. Nat. Sci., Phil., vol. 8, p. 145. 



M. Verreauxiana, Lea. 



1856. Proc. Acad. Nat. Sci., Phil., vol. 8, p. 144. 



I have met with no specimens which answer to the description 

 of the above species. It is described as smooth, without men- 

 tion of striae or plicae. 



