176 
18. Cylichna carpenteri Hanley. 
Testa minuta, cylindrica, brevis, medio subretusa, alba^ utrinque leviter attenaata, 
striis subtilibus incrementi lirulisque subtilissimis spiralibus confertioribus undique sculpta; 
yertex umbilicatus, anfractus spirae exbibens; labrum undique rotundatum, supra produc- 
tum; columella stricta, angusta, elongata. 
Long. yix 2 mm. 
Cylichna Carpenteri Hanley Pr. Zool. Soc. 1858 p. 543. 
Mazatlan. — Nach Carpenter vielleicht ein unausgewachsenes Exemplar von 
Cyl. luticola. 
19. Cylichna plan ata Carpenter. 
Testa parva, cylindrica, subelongata, alba, laevis, epidermide straminea obtecta, mar- 
ginibus subparallelis; vertex planus, vix umbilicatus, leviesime mamillatus; anfr. 4 con- 
voluti, Butura parum impressa; basis modice effusa; labrum tenue, medio subproductumi 
infra late arcuatum, supra subsinuosum, vix canaliculatum, ad suturam rotundatum ; labium 
internum distinctum, supra subcallosum; columella distincte plicata, axi circa basin 
revolvente. 
Long. 23, diam. 11,5 mm. 
Cylichna planata Carpenter Journ. deConch. 1865 p. 139. — Moll. Western 
N. Amer. p. 133, 307. 
San Diego, Califomien. 
20. Cylichna granulum Philippi. 
Testa minima, ovato-conica, utrinque subperforata, superius valde attenuata, basi 
rotundata et transversim striata; caeterum laevissima, lactea; apertura superius angustis- 
sima linearis, basi valde dilatata; obsolete plicata; labro superius longe ultra verticem 
producto. 
Long. 2,6, diam. 1,5 mm. 
Bulla granulum Philippi Zeitschr. f. Mal. YHl 1851 p. 63. 
China. 
