184 



Resembles S. ah rrata, which has a smaller aperture, ringent with 

 teeth and eolumellar folds. 



D^=- Vol. vi. p. 374, (April, 1852.) 



BuMMUS VESICALIS [sufflatus]. T. tenuis, lactca, ovoidea, 

 striatula, vix perforata; spira brevi, anfraet. 5£, ultimo elliptico \ lon- 

 gitudinis testae adefpiante: apertura dimidiam longitudinis adequans, 

 lunata; labro simplici; columellS reflexa. Axis 1.3; diam. 0.7 poll. 

 Inhabits Lower California. Maj. Rich. 



Form and size of B. apodcmetes D'Orb. [The name B. vesicalis is 

 preoccupied.] 



BULIMUS VEGETUS. T. solidula, elongato-ovata, alba, striatula, 

 perforata; spira elevata, anfr. (i, ultimo £ longitudinis testa; superante, 

 tumido, subgibboso : apertura subovata ; labio subcontinuo, reflexo, 

 faucibos straruineis. Axis 1.5; diam. 1 poll. Inhabits San Juan, 

 Gulf of California. Lieut. Green. 



It has the form of B. rhodolarynx. [Mr. Cuming thinks it may be 

 B. paUidior Sowb.] 



Bolimus excf.i.sus. T. elongato-ovata, acuminata, solidiuscula, 

 laevis, fulvida, albido strigata; spira elevata, peracuta, anfr. 7, ultimo 

 § longitudinis vix sequante : apertura trientem long, adequans, subo- 

 vata; labro albo antice revoluto; subcontinuo, ad columellam ex- 

 panso, fissuram latam obtegente. Axis 1$ ; diam. % poll. Inhabits 

 Lower California. Maj. Rich. 



Has much the appearance of B. Lobhii llv., from Peru, with the 

 aperture more like B. paUidior Sowb. 



Ac.MiEA [Nacella] paleacea [is Patelloidea depicta Hinds]. 



Chei'Idui.a exi'I.axata. T. unguiformis, elongata, calearea, 

 apice terminali; antice angustata, truncata, dentieulo mcdiano armata; 

 marginibus ex lamellis disjunctis alveolatis; dorso concavo; intus por- 

 cellana, lateribus incurvatis; septum dimidiam longitudinis metiens, 

 valde aniiatuni, margine concavo. Long, lj; lat. £; alt. & poll, In- 

 habits Monterey, Lieut. Green; Lower California, Maj. Rich. 



A curious shell, which must have resided in tubes of some sort, 

 probably of those made by Pholas. The back is excavated as if done 

 by a gouge. [It may be C, perforans Valenc] 



BUXLA (Akera) CULCITEI/LA. T. subcylindracca, solidula, albida, 

 spiraliter conchine" striata, epidermide straminea induta ; anfr. 5, ultimo 

 elongato subfusiformi, antice rotundato, supernis spiram conicam 

 effonnantibus ; sutura profunde canaliculate,: aj)ertura linearis, an- 

 trorsum dilatata; columella valde contorta, uniplicata ; labro postice 

 sensim recedente. Axis 1 ; diam. £ inch. Santa Barbara. Cul.JewetU 



/;. tenuis Adams is the only species approaching this. Some of its 

 characters bring it in close alliance with the genus Tonmliiui. 



