THE CONCHOLOGIST, 



C. marginatus. Colwyn Bay, Mochras, 

 Barmouth. 



Patella vulgata. Colwyn Bay. Barmouth, 

 Portmadoc. 



P. vulgata var. depressa. Barmouth, Port- 

 madoc. 



P. vulgata var. elevata. Mochras. 



Helcion pellucidum. Mochras, Barmouth, 

 Beaumaris. 



H. pellucidum var. laevis. Barmouth. 



Tectura virginea. Barmouth, Beaumaris. 



Emarginula fissura. Barmouth or Mochras. 



Fissurella grceca. Mochras, Barmouth. 



Capulus Hungaricus. Barmouth. 



Trochus magus. Mochras, Barmouth, 

 .higlesea, Portmadoc. 



T. cinerarius. Cohvyn Bay, Mochras, Bar- 

 mouth, Portmadoc. 



T. umbilicatus. Colwyn Bay, Mochras, 

 Penmaenmawr, Barmouth, Portmadoc. 



T. lineatus. Mochras, Barmouth, Pwllheli, 

 Auglcsea. 



T. tumidus. Barmouth. 



T. ziziphinus. Penmaenmawr, Barmouth. 



T. ziziphinus var. laevigata. Anglesea. 



Phasianella pulla. Mochras, Barmouth. 



Lacuna divaricata. Barmouth, Portmadoc. 



L. puteolus. Barmouth. 



L. pallidula. Mochras, Barmouth. 



Littorina obtusata. Colwyn Bay, Mochrns, 

 Barmouth, Portmadoc. 



L. rudis. Barmouth, Portmadoc. 



L. rudis var. tenebrosa. Barmouth. 



L. rudis var. similis. Barmouth. 



L. littorea. Colwyn Bay, Mochras, Bar- 

 mouth. Portmadoc. 



Rissoa parva. Mochras, Barmouth. 



R. parva \ar. interrupta. Metiai Sir. 



R. violacea. Barmouth. 



R. striata. Barmouth. 



R. cingillus. Barmouth. Meuai Sir. 



Hydrobia ulvae. Portmadoc. 



Caecum trachea. Barmouth. 



Turritella terebra. Colwyn Bay, Mochras, 

 Barmouth, Portmadoc. Ptvllheli. 



Scalaria communis. Mochras, Harlech, 

 Barmouth, Portmadoc. 



Aclis ascaris. Barmouth. 



Odostomia plicata. Barmouth. 



O. dolioliformis. Barmouth. 



O. decussata. Barmouth. 



Enlima sublata. Angchea. 



Natica catena. Colwyn Bay, Mochras, 

 Barmouth, Portmadoc. 



N. Alderi. Mochras, Barmouth. 



Adeorbis subcarinatus. Barmouth. 



Lamellaria perspicua. Barmouth. 



Velutina laevigata. Barmouth. 



Aporrhais pes-pelicani. Mochras, Bar- 

 mouth, Portmadoc. Cariui?Toushire. 



Cerithium reticulatum. Mochras, Bar- 

 mouth, Portmadoc. 



Purpura lopillus. Colwyn Bay, Mochras, 

 Barmoutli. 



P. lapillus var. imbricata. Barmouth. 



Buccinum undatum. Colwyn Bay, Bar- 

 mouth, Mochras. 



Murex erinaceus. Mochras, Barmouth, 

 Portmadoc. 



FUSUS antiquus. Mochras, Harlech, Bar- 

 mouth, Portmadoc. 



Nassa reticulata. Mochras, Barmouth. 



N. incrassata. Mochras, Barmoutli. 



N. pygmaea. Mochras. 



Defrancia gracilis. Anglesea, Barmouth, 

 I'ormadoc. 



Pleurotoma attenuata. Barmouth. 



P. septangularis. Anglesea. 



P. rufa. Penmaenmawr, Barmouth. 



P. nebula. Mochras, Barmouth. 



P. turricula. Mochras, Penmaenmawr, Bar- 

 mouth. 



Cypraea Europoea. Colwyn Bay, Mochras, 

 Barmouth, Portmadoc. 



Cylichna cylindracea. Moch as, Barmouth, 

 Portmadoc. 



