COOKE : ON THE MACANDREW COLLECTION. 365 



Littorina rudis L. var. Scarboro'. 



Labelled L. zonaria Bean. 

 L. rudis L. var. Southend. 



Apex wholly or partly eroded. 

 L. rudis L. var. nigrolineata Don. Lands End. 



The var. sulcata of Leach. Where MacAndrewgot 

 his name from I do not know. It does not occur in 

 Donovan's British Shells. 

 L. rudis L. var. Scarboro'. 



Labelled Z. negleda Bean, but the same as the var- 

 saxatilis. 

 L. rudis L. var. No locality. 



Bright red with faint ridges. 

 L. littorea L. Britain. 

 L. littorea L. var. Falmouth. 



Probably the vai. turrita of Jeffreys. 

 L. littorea L. var. Milford. 



Perhaps the var. brevicida of Jeffreys. 

 Rissoa striatula Mont. Dartmouth. 



The largest specimen has a prominent varix on the 

 body whorl. 

 R. crenulata Mich. Scilly. 



One specimen (which I have marked on the card 

 with an asterisk) belongs to R. Zetlandica Mont. 

 R. Beanii Hani. Hebrides. 



Two specimens on this card are R. crenulata. 

 R. Beanii Hani. Scilly, &c. 

 R. Beanii Hani. Lamlash. 

 R. sculpta Phil. Zetland, &c. 



According to Jeffreys the present species is not the 

 R. sculpta of Philippi, but R. cimicoides of Forbes. 

 R. punctura Mont. Scilly. 



