ZOOLOGY. 2*1 



Bulla ampulla, St. J. 



„ striata, St. J. 

 Helix flammea, Mandingo. 

 Melania Gambensis, Boicdich, new species, Gam. 



M. testa turrito-acutd, fragili tenuique, ulb4, striis t^ansve^;gls^ 



Phasianella angulifera, Mandingo. 

 Nerita striata, B. V. 

 Natica fulminea, B. V. 

 ,, carnea, Gray, Si. J. 

 ,, rosea, Grai/, B. V. 

 „ collaria ? B. V. 

 ,, canrena, B. V. 

 ,, coUaris, Gray, B. V. 

 Turritella trisulcata, St. J. 



„ species imperfect, St. J. 



„ ,. „ St. J. 



St. J. 



Monodonta fragroides ? B. 



Trochus, B. V. 



Murex asperimus, St. J. 



Triton undosum, B. V. 



„ scobiculator, B. V. 

 Rostellaria fissurella, B. V. 

 Turbinella cingulata, B, V. 

 Cerithium granulatum, St. J. • 



„ obelisticus. B. V. 

 „ muricatum. Gam. 

 „ aluco. Gam. 

 Harpa rosea, St. J. 



Nassa reticulata, B. V. ^ . 



„ lineolata, Gray, B. V. 

 „ conoidea, B, V. 



• This elegant little shell abounds in every creek of the River Gambia, and with the patella, 

 siphoiiariae, fissurella-, calyptrx, and fragments of larger shells, forms complete masses, which 



bind the sand into hard flakes. 



^ I 



