l8o BYNE : MARINE MOLLUSCA OF TEIGNMOUTH. 



H. pellucidum var. laevis Penn. With the type. 



Tectura virginea Mull. One live and some dead specimens 

 from drift. 



Emarginula fissura L. Cast up dead on the beach. 



E. rosea Bell. Several trawled alive on rough ground, and 

 dead specimens from drift. 



Capulus hungaricus L. Trawled and oyster-dredged alive 

 opposite the harbour ; attached to oyster shells. Im- 

 mersed in cold water the shell will soon become detached. 

 A few had the shell-cavity tinged with pink and purple. 

 Care should be taken, when extracting the animal, to 

 preserve the epidermis, as this and the shape of the shell 

 are the criteria of a cabinet specimen. 



Trochus magus L. Common. 



T. cinerarius L. Common on the rocks. 



T. umbilicatus Mont. Common. 



T. I i neat us DaC. Common. 



T. exasperatus Penn. A nice lot trawled. 



T. granulatus Born. Five specimens trawled, and one 

 dredged, all being alive. 



T. zizyphinus L. Common, alive. 



Phasianella pullus L. Large adults and young shells alive 

 from various weeds on the rocks, but the former have 

 generally occurred by themselves. 



Lacuna crassior Mont. Adult and young shells trawled 

 alive on rough ground. 



L. divaricata Fabr. Adult specimens found alive on and 

 under weeds on the rocks, also from off Chorda fihwi 

 brought in by mackerel boats. Examples from the latter 

 have been kept in confinement. These animals are 

 extremely active, and will crawl up a glass vessel full of sea 

 water and down the other side, 



L. divaricata var. quadrifasciata Mont. Have occurred 

 twice by themselves on weeds, and occasionally with the 



J.C., vii., Apr. 1893. 



