16 



BULLIDjE. 



Ex. B. ampulla, Linnaus, pi. 57, fig. 1. Shell, B. am- 

 pulla, fig. I, a. 



The species of this genus inhabit sandy mud-flats, the 

 slimy banks of river-mouths, and brackish places near the 

 sea ; at low-water some of them conceal themselves in the 

 mud and under sea-weed, exuding large quantities of 

 mucus to maintain the moisture of their skin ; they feed 

 on bivalves and other Mollusca, which they pursue and 

 swallow whole, reducing and crushing them afterwards by 

 the calcareous or horny plates of their powerful, muscular 

 gizzard. The shells of Bulla, as restricted, are rather solid, 

 smooth, and marbled and mottled like birds' eggs. 



Sixties of Bulla. 



Adarusi, Mke. 

 Adansonii, Phil. 

 ampulla, Linn. 

 amygdalus, List. 

 aspersa, A. Adams. 

 australis, Quoy and Gaim. 

 bifasciata, Mart. 

 coluruellaris, Mke. 

 cruentata, A. Adams. 

 cyprseola, Mke. 

 dactylis, Mke. 

 maculosa, Mart. 

 marginata, Mke. 

 nebulosa, Gould. 

 mix, Mke. 

 oblonga, A. Adams. 



occiden talis, A. Adams. 

 omphalodes, Mke. 

 Panamensis, Phil. 

 parallela, Gould. 

 perdicina, Mke. 

 perstriata, Mke. 

 punctata, A. Adams. 

 Quoyi, Gray. 

 rubicunda, Schroet. 

 rubiginosa, Gould. 

 rufolabris, A. Adams. 

 solida, Gmel. 

 splendens, Mke. 

 substriata, Mke. 

 sulcata, Mke. 

 tenuicula, Mke. 



Genus HAMINEA, Leach. 



Eyes distinct, sessile on the middle of the head. 

 Mantle with the outer margin large, fleshy, and reflexed 

 on the apex of the shell. Foot with the lateral lobes very 



