PLATE LXVI. 



BULLA PALLIDA. 



PALE> OR CYLINDRIC BULLA. 

 GENERIC CHARACTER. 



Shell suboval. Aperture oblong, very patulous, and smooth or 

 even. One end rather convoluted. 



SPECIFIC CHARACTER. 



Cylindric, white, glossy, four prominent wrinkles on the pillar lip. 



Bulla Pallida : testa cylindrica, spira elevata acuta. Linn. Mus. 



Beg. p. 588. No. 223. 

 Voluta pallida testa integra oblongo ovata, spira elevata columella 



quadruplicata. Linn. Syst. Nat. p. 1189. No. 



405. 

 Concha veneris, exigua, alba, vere cylindracea. List. H. An. Angl. 



tab. 714. fig. 70. 

 Porcellana integra admodum tenuis, fimbriata ; dorso pulvinato, 



candidissima. Gualt. 1. Conch, tab. 15. fig. 4. 

 Bulla, cylindracea, cylindric. Penn. Br. Zool. No. 85. tab. 70. 



fig. 85. 

 Bulla exigua cylindracea, laevis et nivea. Da Costa Br. Conch. 



p. 30. sp. 16. tab. 2. fig. 7. 



