575 



41. Bulla puncto-striata (pi. cxxi. f. 50), Mighels, Bost. 

 Jouni. Nat. Hist. vol. v. p. 43. pi. 4. f. 10. 



B. testa alba, solida, ovata, eleganter striata ; striis crebris 

 infequidistantibus puuctatis ; spira occulta ; apcrtura magna, 

 superne angusta; labro acuto, arcuato ; long. ^ poll., lat. ^ poll. 



Shell wlute, solid, ovate, elegantly striated ; striae waved, punc- 

 tated, at unequal distances ; spire concealed ; aperture wide, nar- 

 rowed above ; outer lip acute, arcuated. Differs from B. Uneolata, 

 Couth., in its larger size, outer lip being elevated above the apex 

 and by the punctate strise. 



Casco Bay, Massachusetts. Mus. Cuming. 



42. Bulla pectinata (pi. cxxi. f. 51), Mull., Zool. Dan. 

 vol. ii. p. 41. t. 71. f. 10. Scaphander catenatus, Leach. B. 

 denticulata, Ad. B. angustata, Bivon. Phil. 



B. testa parva, elongato-ovali, postice angustata, alba, lineis 

 transversis distinctis punctatis ; apertura postice coarctata, antice 

 dilatata ; labro antice valde pectinata. 



Shell small, elongately oval, posteriorly narrowed, white, with 

 distinct transverse punctate lines ; aperture posteriorly contracted, 

 anteriorly dilated ; outer lip anteriorly strongly pectinated. 



Britain; Denmark. Mus. Cuming. 



Sub-genus Bulla. 



43. B. ampulla (pi. cxxii. f. 59-62), Linn., Gm. p. 3424, 

 no. 10. 



B. animale bipollicari, flavo-fusco, rufo-fusco marmorato ; oculis 

 nigris, annulo tenui albido cinctis. 



B. testa ovato-subglobosa, inflata, solida, fusco et rufo-fusco 

 varie picta (interdum obsolete 4-fasciata) ; labro non inflexo. 



Animal two inches in length, yellowish fuscous, marbled with 

 red-brown ; eyes black, surrounded with a whitish ring. 



Shell ovately somewhat globose, inflated, variously painted, 

 sometimes obsoletely four-banded ; outer lip not inflected ; apex 

 umbilicated. 



Philippines, Island of Zebu ; sandy mud at mouths of rivers. 

 Cuming. Mus. Cuming. 



44. Bulla Am ygd alus (pi. cxxii. f. 63), Lister, Hist. Conch, 

 t, 714. f. 72. B. striata, Brug., Enc. Meth. vol. i. p. 372. 



B. testa oblonga, opaca, infernc et superne transversim striata, 



