THE CONCHOLOGIST. 



Cyprina islandica. Mochras, Penmaen- 

 niavvr, Barmouth, Portmadoc, Carnarvon- 

 shire. 



Venus exoleta. Mochras, Penmaenmawr, 

 Barmouth. 



V. lincta. Cohvyn Bay, Barmouth, Port- 

 madoc. 



V. chione. Mochras, Harlech, Barmouth, 

 Carnarvon Bay. 



V. fasciata. Barmouth, Menai Straits. 



V. casina. Mochras, Barmouth. 



V. verrucosa. Mochras, Barmouth, Pwllheli. 



V. gallina. Cohvyn Bay, Mochras, Har- 

 lech, Penmaenmawr, Barmouth, Port- 

 madoc. 



Tapes aureus. Pwllheli, Portmadoc. 



T. virgineus. Barmouth, Portmadoc. 



T. pullastra. Cohvyn Bay, Mochras, Bar- 

 mouth, Portmadoc. 



T. decussatus. Cohvyn Bay, Mochras, Bar- 

 mouth. 



Lucinopsis undata. Mochras, Barmouth. 



Tellina crassa. Harlech, Mochras, Pen- 

 maenmawr, Barmouth. 



T. Balthica. Mochras, Barmouth, Port- 

 madoc. 



T. tenuis. Cohvyn Bay, Mochras, Barmouth, 

 Portmadoc. 



T. fabula. Cohvyn Bay, Barmouth. 



T. pusilla. Barmouth or Mochras. 



Psammobia Ferrdensis. Colwyn Bay, 

 Barmouth, Penmaenmawr, Portmadoc. 



P. vespertina. Pwllheli, Barmouth. 



Donax vittatus. Barmouth ? 



D. trunculus. Colwyn Bay, Mochras, Bar- 

 mouth, Portmadoc. 



Mactra SOlida. Colwyn Bay, Mochras, 

 Harlech, Barmouth, Portmadoc. 



M, solida var. elliptica. Mochras, Bar- 

 mouth. 



M. subtruncata. Colwyn Bay, Barmouth. 



M. stultorum. Colwyn Bay, Mochras, Har- 

 lech, Barmouth, Portmadoc. 



M. stultorum var. cinerea. Barmouth, 

 Portmadoc. 



Lutraria elliptica. Mochras, Penmaen- 

 mawr, Harlech, Barmouth. 



L. oblonga. Harlech. 



Scrobicularia prismatica. Barmouth. 



S. alba. Barmouth or Mochras. 



S. piperata. Harlech, Conway, Mochras, 

 Barmouth, Portmadoc. 



Solecurtus candidus. Mochras. 



Ceratisolen legumen. Colwyn Bay, Har- 

 lech, Mochras, Barmouth, Portmadoc, 

 Anglesea. 



Solen pellucidus. Carnarvonshire, Bar- 

 mouth, Anglesea. 



S. ensis. Colwyn Bay, Mochras, Barmouth, 

 Portmadoc. 



S. siliqua. Mochras, Barmouth, Port- 

 madoc. 



S. vagina. Cohvyn Bay, Mochras, Harlech, 

 Anglesea, Barmouth, Portmadoc. 



Thracia papyracea. Colwyn Bay, Pen- 

 maenmawr, Barmouth. 



Corbula gibba. Mochras, Penmaenmawr, 

 Barmouth. 



Mya arenaria. Barmouth. 



M. truncata. Barmouth, Colwyn Bay, Pen- 

 maenmawr, Portmadoc. 



Saxicava rugosa, Penmaenmawr, Bar- 

 mouth. 



S. rugosa var. arctica. Barmouth. 



Gastrochaena dubia. Barmouth. 



Pholas dactylus. Mochras, Barmouth. 



P. Candida. Barmouth, Colwyn Bay, Port- 

 madoc. 



P. parva. Abergele (?), Barmouth, Denbigh- 

 shire. 



P. crispata. Penmaenmawr. 



Teredo Norvegica. Barmouth or Mochras. 



Dentalium entalis. Colwyn Bay, Mochras. 



D. tarentinum. Cardigan Bay, Barmouth. 



Chiton fascicularis. Barmouth or Mochras (?) 



C. cinereus. Barmouth. 



C. albus. Barmouth. 



