354 Dr. W. C. M'Intosli on the 



TelUna tenuis, Da Costa. Oj). cit. ii. p. 379, v. pi. 41. f. 1. 

 Very common on the sandy ground everywhere ; and dead 

 valves occur on the West Sands throughout the year. 



TelUna fabuluj Gronovius. Op. cit. ii. p. 382, v*pl. 41. f. 2. 

 Only less common than the last species on the same ground. 



TelUna imsilla, Philippi. Op. cit. ii. p. 388, v. pi. 41. f. 5. 



Rather frequent in deep water, and in the stomachs of 

 haddocks and flounders. 



Genus 3. Psammobia, Lamarck. 

 Psammohia tellinellaj Lamk. Op. cit. ii. p. 392, v. pi. 42. f. 1. 



Worn valves occasionally found amongst the deep-sea lines 

 of the fishermen. 



Psammohia ferroensis^ Chemnitz. Op. cit. ii. p. 396, 

 V. p. 187, pi. 42. f. 3. 



Abundant and in fine condition on a sandy bottom oif the 

 West Sands. Often thrown ashore in large numbers near 

 the estuary of the Eden. 



Genus 4. Donax, L. 

 Donax vittatusj Da Costa. Op. cit. ii. p. 402, v. pi. 42. f. 5. 



Very abundant on the West Sands after storms, and on sandy 

 ground in a few fathoms. 



Fam. 15. MactridsB, Fleming. 



Genus 2. Mactra, L. 



Mactra solida, L. Op. cit. ii. p. 415, v. pi. 43. f. 2. 



Abundant on the sandy ground off the West Sands, and 

 thrown in great numbers on the beach after storms. 

 Var. elliptica is common. 



Mactra subtruncata, Da Costa. Op. cit. ii. p. 419, v. pi. 43. f. 3. 



Equally common with the last species, and from the same 

 ground. 



Mactra stultorum, L. Op. cit. ii. p. 422, v. pi. 43. f. 4. 



Very abundant on the same ground as the last two species. 

 Var. cinerea is common. 



