360 n\ MINI: A. 



UnUa vesicnla OLD., Rep. Expl. and Surv. Pacif. R. R. v, appen- 

 dix, p. 334, 1854. ? Haminea vesicula SOWB., Conch. Icon., f. 19. 

 KEEP, West Coast Shells, p. 126, f. 116. 



The insertion of the lip above is much as in H. elegans of the 

 Antilles, but there is no apical umbilicus. 



Var. VIRGO Pils. PL 41, figs. 25, 26. 



Rather shorter and more swollen, translucent white. 

 Alt. 18, diam. 14 mill. 



Santa Barbara, etc., California. 



H. CYMBIFORMIS Carpenter. Unfigured. 



Shell very thin, whitish, the axis contorted ; much inflated, spire 

 small, concealed. Aperture ventricose anteriorly, produced behind ; 

 ornamented with close spiral striuise, growth lines subextant. Inner 

 lip very thin. Only one rather imperfect specimen was found of 

 this beautiful species, which resembles in form a small inflated 

 Cymbinm. 



Length '07, diam. -05 inch. 



Maeatian. 



Haminea cymbiformis CPR., Maz. Catal., p. 174. 



May be a young shell, and perhaps the same as the last-described 

 form, but Morch reports it from Puntarenas, west coast Central 

 America (Mai. Bl. vi, p. 123). 



H. viRESCENS Sowerby. PL 40, fig. 5 ; pi. 43 fig. 19. 



Shell ovate, much compressed and contracted above, globularly ex- 

 panded below ; thin. Color greenish-yellow, subopaque. Vertex 

 very narrow, impressed and minutely perforated in the middle; the 

 rising outer lip thickened, inserted on the right side of the perfora- 

 tion, ascending far above the vertex. Upper third of aperture nar- 

 row, lower two-thirds much dilated, thecolumellar outline more arcu- 

 ate. Columella simple and thin, regularly and deeply concave, with 

 narrowly reflexed, appressed edge. Alt, 14, diam. 10$ mill. ; often 

 larger, alt. 18 mill. 



San Pedro, San IHego, etc., California. 



Bulla virctcens SOWERBY, Genera of Shells, Qephala, pt. 39, 

 Rulla fig. 2, (1833? See R. ]',. \i WTON Br. Olig. and Eoc. Moll. p. 

 322, and SHERBORN, Ann. Mag. N. H/(6), xiii, Apr., 1894, p. 371). 



