OBSEEVED AT MOGADOR. 173 



Hab. 



Artemis lincta (Pult.) b 



25. Lucinopsis undata (Penn.) b 



9. CABDIIDiE. 



Cardium aculeatum, L b 



Cardita antiquata (L.) s 



calyculata (L.) cm 



10. LUCINID^. 



Lucina borealis (L.) b m 



30. leucoma, Turt be 



11. UnioniDjE (Freshwater shells). 



Unio hispanus, Moq.-Tand S. Spain 



12. MTTILIDiE. 



Mytilus edulis, L., var. Galloprovincialis b 



13. Aecidjs. 



Nucula Nucleus (L.) b 



Area tetragona, Poli bem 



35. barbata, L b 



lactea, L be 



antiquata, L e s 



Pectunculus Glycimeris (L.) bem 



14. OsTEEIDiE. 



Lima hians {Gm.) bem 



40. Pecten varius (L.) b m 



Pusio (L.) • bem 



Pes felis (-L.) cm 



Anomia Ephippium, L b m 



II. GASTEEOPODA (Unitalves, except CUtonidce). 



A. Sea Shells, except 3felaniidce ; the animals breathing water 

 by means of gills, i. e. lamellar, pectinate, or plumose branchiae 

 (except Auriculidce) . 



15. Patellid^. Hab. 



Patella athletica. Bean b 



45. rustica, h cm 



pellucida, L., var. a,y b 



Sipbonaria pectinata {L.) s 



16. CALTPTE-ffilDiE. 

 Hipponyx subrufa [Lam.) W, Indies 



