86 UNIVALVES. 



traversing the sands, searching with patience and 

 assiduity for another abode, and examining each 

 empty shell, till he meets with one better suited 



BUCCINUM Harpa* 



HARP SHELL. 



Specific Character. Shell oval, turbinate with 

 longitudinal, acute, and curved varices; mouth 

 expanding, notched at the base ; outer lip re- 

 volute ; collumellar lip smooth, flattened ; va- 

 riously marbled or banded with fawn colour or 

 reddish brown ; size from two to three inches 

 long, and nearly two-thirds as broad. 



There are several varieties of this species, 

 which is much distinguished for its beauty. 

 They are found principally in the Indian ocean, 

 also in the seas of hot climates. They are 

 furnished with a horny operculum. 



BUCCINUM Undulatum. 



WAVED WHELK. 



Specific Character. Shell thick and coarse, 

 with seven or eight ventricose whorls, having 



* Plate III. figure 2. 



