MARINE ZOOLOGY OF AKRAN. 



279 



Ostrea edulis, 



*0vulum acuminatum, 

 Patella athletica, . 



pellucida, . 



vulgata, 



Pecten maximus, . 

 operculavis, 



* pusio, 



similis, 



striatus, 



An oyster-bed, Lamlash Bay, 

 Holy Island. 



Holy Island. 



Lamlash Bay. 



tigrinus, 



varius, 



In the sandstone, low water, 



Pectunculus glycimeris, . 

 Philine aperta, 

 catena, 



* -- scabra, 



Pholas cnspata, . . 



Pileopsis Hungarians, 

 Pilidium fulvum, . 



* Pinna pectinata,* . 



Pleurobranchus mem- J Under stones, low water, Holy 



branaceus (?), . . ( Island. 

 *Pleurotoma gracilis, 



- septangularis, 

 Psammobia Ferroensis, . 

 Puncturella Noachina, . 

 Purpura lapillus, 

 *Rissoa Beanii, 



* - calathus, 



* - cingillus, 



- costata, 



* -- costulata, 



* - crenulata, . 



* --- fulgida, 



* -- inconspicua, 



* -- interrupta, . 



* -- labiosa, 



* parva, . 



* - punctura, . * 



* Pinna pectinata was also dredged by the late Major Martin on 

 Skelmorlie Bank, Dear Wemyss Bay, Ayrshire coast. 



