172 EEv. R. T. Lowe's list of shells 



List of Sea and Freshwater Shells observed at Mogador, 

 April 21st to April 2Sth, 1859*. 



I. ACEPHALA (BiTALTEs). 



All sea-shells, except Unionidce', the animals breathing water 

 by lamellate gills or branchiae. 



1. Family Pholadid^. Hab. 



Pholas Dactylus, L b 



Candida, L b 



2. Gastkoch^nid^. 



Saxicava rugosa, ham b 



Petricola lithophaga {Retz.) b 



6. Venerirupis Irus (L.) bcm 



3. Pakdoeid^. 



Pandora rostrata, Lam be? 



4. SOLENID^. 



Solen Siliqua, L b 



5. Tellinid^. 



Psammobia vespertina (CAewin.) c 



Tellina tenuis. Da Costa b 



10- Fabula, Gron b 



solidula, Pult b 



carnaria, L Medit,, W. Indies 



Scrobicularia piperata, Gm b s 



6. DONACID^. 



Donax anatinus. Lam be? 



15. dentieulatus, L s 



7. Macteid^. 



Mactra subtruneata. Da Costa be? 



stultorum, L be 



— — rugosa, Chemn c 



Lutraria oblonga (Chemn.) b 



8. Venerid^. 



20. Tapes decussatus (L.) b 



Pullastra (Mont.) b s 



Venus veiTueosa, L bcm 



striatula, Don b 



* I am indebted to the liberality of Mrs. Elton, Mrs. Grace, and Dr. Carleton, 

 at Mogador, for the gift of most of the following species, and for the opportunity 

 of recording others in their several collections of sea-shells on the spot. 



