372 COOKE: ON THE MACANDREW COLLECTION. 



Purpura lapillus L. var. Barmouth. 



Save for the size (1-5 by 75), this would accord 

 with Jeffreys' var. minor: the ridges are very strong. 

 Not very far removed from the type. 

 P. lapillus L. var. Beaumaris. 



Spire aslant. 

 Buccinum undatum L. Cork. 

 B. undatum L. Wales. 

 B. undatum L. North Sea. 

 B. undatum L. Nymph Bank. 

 B. undatum L. Zetland. 



This may be the var. flexuosa of Jeffreys, but though 

 the spire is produced, the shell is not 'more slender': 

 the ribs are very strong and curved. 

 B. undatum L. van paupercula King. Southampton. 

 B. undatum L. var. paupercula King. Carnarvon Bay. 

 B, undatum L. var. i. No locality 



(These numbers, var. i, var. 2, etc., correspond with 

 the numbers on the cards. They do not correspond 

 with the numbers of the vars. in Jeffr.) Thin, elongated, 

 longitudinal ribs faint, epidermis smooth. 

 B. undatum L. var. pelagica King. Zetland. 



Jeffreys' only locality is Dogger Bank. It is solid 

 and not 'thinner than usual' 

 B. undatum L. var. Zetlandica Forbes. Zetland. 



Acuminated, but otherwise agreeing with the des- 

 cription in Jeffr. 

 B. undatum L. var. 2. No locality. 



Thick, elongated, but not quite so much so as in 

 monstr. acuminatum. 

 B. undatum L. var. 3. Stornaway. 



Agrees with monstr. acuminatum, save that the 



J.C, iii., October, 1882 



