578 



maculis nigris albo-punctatis picta, fasciis iluabus pallide brunneis 

 cincta; labro subrecto arcuato. 



Shell ovately oblong, solid, opake, shining, pale re J dish, 

 painted with black and white punctated spots, encircled with two 

 pale brown bands ; outer lip rather straight, arcuated. 



Panama; sandy mud, 10 fathoms. Cuming. 



54. Bulla aspersa (pi. cxxiii. f. 78), Adams. 



B. testa ovato-oblonga, antice angustata, solida, opaca, iongitu- 

 dinaliter substriata, striis minutissimis undulatis confertis, maculis 

 albo-punctatis picta ; labro subrecto, angulo ejus supero producto ; 

 labio incrassato, intiis albo. 



Shell oblong-ovate, narrowed anteriorly, solid, opake, longitu- 

 dinally substriated, with numerous very fine strias, painted with 

 white punctured spots ; outer lip rather straight, its upper angle 

 produced ; inner hp thickened, white internally. 



Payta, Peru ; fine black sand, 6-8 fathoms. Cuming. 



55. Bulla nebulosa (pi. cxxiii. f. 79, 80), Gould, Nar. 

 Un. States Surv. Exp. 



B. ovato-globosa, innata, laevigata, opaca, versus spiram suban- 

 gustata, cinerascente, maculis guttatis albo-cinereis picta, intus 

 cinerea, iridescente. 



Shell ovately globose, inflated, light, rather thin, opake, some- 

 what narrowed towards the spire, painted with ashy drop-like spots 

 punctated with white, internally ashy and iridescent. 



Guaymas, Gulf of California ; in sand, 12 inches. Mm, 

 Cuming. 



Sub-genus Haminea. 



> 56. Bulla hydatis (pi. cxxiv. f. 81, 82), Linn., Gmel., 



p. 3424, no. 9. B. hyalina, Gmel. B. navicula, Da Costa. 

 B. cornea, Lamarck. 



B. testa ovato-rotundata, tenui, pellucida, longitudinaliter sub- 

 striata, corneo-flavescente ; lineolis transversis, exilissimis ; vertice 

 umbilicato. 



Shell ovately rounded, thin, pellucid, longitudinally somewhat 

 striated, yellowish horn-colour, with very fine transverse wavy 

 lines ; apex umbilicated. 



Salcomb Bay, Devonshire. 



