176 THE BERMUDA ISLANDS. 



Patella notata, Lam. 



Patella confusa. 

 W. Indies. 



.Bulla striata, Brug. 



,. Florida, W. Indies, Africa, etc. 



Bulliua (Bulla) nitidula, Dillw. 

 Hydatina (Bulla) physis, L. 



These two West Indian species are here enumerated on tiie 

 authority of Jones. 



TTtriouluS'Candei, D'Orb. 



Florida, W. Indies. 



Umbrella (Operoulatum) Bermudeusis, Morch. 



On the, identification of Morch. 



Siphonaria piota, Sow. 



Panama, Mazatlan. 



? Siphonaria alternata, Say. 



Florida. 



Dentalium semistriatum, Guild. 



W. Indies. 



Cadulus quadrideutatus, Dall. 



Florida coast. 



Chitou squamosus, L. 

 Chiton marmoratus, Gmel. 

 Igohnochiton purpurasoeus, Adams. 

 Tonioia Schrammi, Shuttl. 

 Aplysia sequorea, n. sp, 

 Chromodoris zebra, n. ep. 



LAMELLIBRANCHIATA. 

 Teredo, sp. ? 



Found in driftwood ; species undetermined. 



