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DALL 



Lampusia chlorostoma Lamarck. 



Maceio ; young, on the reef. 

 Cassis tuberosa Linne. 



Maceio. 

 Cassis flammea Linne. 



Maceio. 

 Cassis inflata Shaw. 



Mamanguape. 

 Dolium perdix Lamarck. 



Maceio. 

 Dolium olearium Lamarck. 



Maceio. 

 Cypraea exanthema Linne. 



Maceio and Mamanguape. 

 Cypraea spurca Linne. 



Mamanguape. 

 Trivia pediculus Linne. 



Maceio and Boa Viagem. A dark gi-ay form with the usual dark 

 spots, but no suggestion of pink coloration. 

 Cerithium algicola C. B. Adams. 



Mangosoules, Managuas, Mamanguape, and Maceio ; common. 

 Cerithium thomasiae Sowerby. 



Maceio and Goyanna. Probably a variety of algicola with de- 

 pauperate sculpture. 

 Melaraphe nebulosa Lamarck. 



Rio Parahyba, Mangosoules and Managuas, on shrubs near the 

 water ; Maceio, on granite bowlders on the shore. 

 Melaraphe columellaris d'Orbigny. 



Maceio ; on granite bowlders. 

 Melaraphe columellaris \sa-.Jlava Broderip. 



Rio Parahyba. 

 Ampullaria zonata Spix. 



Managuas, and Traicao on the Mamanguape River. 

 Amalthea antiquata Linne. 



Maceio. 

 Amalthea subrufa Carpenter. 



Boa Viagem. 

 Polynices mamillaris Linn6. 



Mamanguape and Maceio. 

 Polynices porcellana d'Orbigny. 



Maceio. 



