COOKE : ON THE MACANDREW COLLECTION. 377 



Cylichna umbilicata Mont. Murray Firth, &c. 

 C. cylindracea Penn. No locality. 

 C. cylindracea Penn. Loch Fyne, &c. 



Dwarf specimens, nearly approaching the var. linearis. 

 Utriculus mamillatus Phil. Exmouth. 



As Bulla mammillata. 

 U. truncatulus Brug. Murray Firth. 



Labelled Cylichna truncata Adams. See Jeffreys, 

 vol. iv., p. 423. 

 U. truncatulus Brug. Scarboro'. 



Labelled Bulla truncata Montagu, in Bean's writing. 

 Young specimens, apparently, for they are not a quarter 

 the size of the Scotch shells. 

 U. obtusus Mont. Liverpool. 

 U. obtusus Mont Unst and Zetland. 



Perhaps the var. Lajonkaireana. 

 U. obtusus Mont. No locality. 

 Amphisphyra hyalina Turt. Murray Firth. 

 Akera bullata Miill. Ireland. 



A. bullata Mtill. var. Zetland. 



Much smaller. Labelled A. Hanleyi., A. Adams. 

 Tornatella fasciata Lam. Anglesea, &c. 



Another card contains some minute specimens, 

 possibly (but no locality is given) of the var. tenella Loven. 

 Bulla hydatis L. Exmouth. 



B. Cranchii Leach. Scotland. 



=B. utriculus Brocchi. 

 Scaphander lignarius L. Anglesea, &c. 



I have taken it alive at a very low tide, in the 

 harbour of St. Peter's port, Guernsey. 

 S. lignarius L. var. Scilly and Hebrides. 



Milk-white. 



