396 Dr. P. P. Carpenter on new Forms of Mollusca 



brioribus minus expressis, circa basim prolongatam baud subito 

 evanescentibus ; lirulis spiralibus, in spira circ. viii., rotundatis, 

 expressis, anfr. ult. supra costas subnodulosis, circa basim crebri- 

 oribus ; peritremate continue- ; columella vix torta, haud plicata ; 

 labio distincto. Long. -22, long. spir. *17, lat. -07, div. 18°. 



Hab. Sta. Barbara, I specimen (Jewett). 



403 b. Chemnitzia (ttorquata, var.) stylina. 



C. testa C. torquatce simili, sed valde teretiore, gracillima, interdnm 

 subdiaphana ; anfr. nucl. ii., decliviter sitis, margines spirse fere 

 parallelos vix superantibus ; norm, xii., angustis, subplanatis, su- 

 turis distinctis ; costis radiantibus circ. xxiii., latis, declivibus, 

 testa juniore continuis, adulta fascia haud sculpta suprasuturali 

 separatis ; interstitiis parvis, haud sculptis ; basi rotundata, haud 

 sculpta ; columella parum torta. Long. '32, long. spir. *27, lat. *8, 

 div. 10°. 

 Hab. Sta. Barbara [Jewett) ; Monterey (Cooper). 



Chemnitzia Virgo. 



C. testa parva, alba, gracili, stylina ; anfr. nucl. ii., decliviter sitis, 

 margines spirse subparallelos baud superantibus ; norm, viii., 

 subrotundatis, suturis distinctis ; costulis radiantibus circ. xviii., 

 angustis, acutioribus, ssepe attingentibus, circa peripheriam haud 

 subito evaniclis, interstitiis subsequalibus alte spiraliter sulcatis, 

 sulcis circ. viii., latera costarum crenulantibus, costas haud super- 

 antibus ; basi valde rotundata, curta, haud sculpta; axi lacunato; 

 peritremate vix continuo ; columella recta. Long. - 18, long, 

 spir. -14, lat. -05, div. 12°. 



Hab. " Sta. Barbara," 1 specimen (Jewett). 

 Dunkeria laminata. 



D. testa satis elevata, rufo-fusca, fasciis pallidioribus interdum cincta ; 

 anfr. nucl. ii., helicoideis, valde decliviter sitis, margines spirae 

 subrectos haud superantibus ; norm, viii., subrotundatis, suturis 

 impressis ; costis spiralibus rotundatis, in spira iv., aliisque sutu- 

 ralibus vix rotundatis, interstitiis minoribus impressis ; super eas 

 laminis radiantibus acutioribus circ. xxx., circa basim rotundatam 

 tenuiter continuis ; liris spiralibus basalibus circ. viii., obtusis, colu- 

 mellam versus subflexuosam obsoletis ; peritremate continuo ; labio 

 appresso. Long. "25, long. spir. *18, lat. '07, div. 20°. 



Hab. Sta. Barbara (Jewett) ; San Diego (Cooper). 



This beautiful Fenelloid species may be regarded as the type 

 of the group Dunkeria. 



Eulima Thersites. 



E. testa parva, curtissima, albida, arcuata, valde distorta ; margini- 

 bus spiree dextro subrecto, sinistro valde excurvato ; anfr. nucl. 

 ?. . (decollatis) ; norm, vi., laevibus, subplanatis, suturis distinctis ; 

 basi valde arcuata ; apertura subovali, dextrorsum producta ; peri- 



