MCMURTRIE : SHELLS OF NORTH NORTHUMBERLAND. I09 



side, more sparingly on the golf links; Bamborough, some- 

 what common. 

 H. caperata Mont. — Alnmouth, abundant. 

 H. caperata van major Jeff. — Alnmouth, at the foot of the 



Alne, on the south side, not rare. 

 H. caperata var. major-ornata. — Alnmouth, with preceding 



but less common. 

 H. caperata var. major-alba. — Alnmouth, with preceding, 



not common. 

 H. caperata var. ornata Picard. — Alnmouth, abundant. 

 H. caperata var. alba Picard.- — Alnmouth, somewhat common. 

 H. caperata var. subscalaris Jeff. — Alnmouth, rare and not 



usually very characteristic. 

 H. caperata var. subscalaris-alba. — A more characteristic 



specimen. 

 H. caperata var. obliterata Picard. — Alnmouth, on banks 



near the sea by the golf links, not plentiful. 

 H. caperata. — A white form with a single line above the 



periphery. Alnmouth not rare. 

 H. caperata. — A dark form, with lines confluent above and 



below the periphery, leaving a white line at the periphery. 



Alnmouth, not rare. 

 H. rotundata Miill— Beal; Tweedmouth, Probably common 



everywhere in waste places. 

 H. pulchella Miill. — Alnmouth. 



H. pulchella var. costata Miill. — Alnmouth, not common. 

 Pupa umbilicata Drap. — Beal; Tweedmouth. 

 P. marginata Drap. — Alnmouth. 



P. marginata var. edentula Moq. — Alnmouth, perhaps com- 

 moner than the species. 

 Cochlicopa lubrica Mull. — Alnmouth; Beal. 



