424 Dr. W. C. M'Intosh on the 



Odostomia clathrata^ Jeffreys. Op. cii. iv. p. 148, v. pi. 74. f. 9. 



Worn specimens not uncommon in shell-debris from the 

 West Sands. 



Odostomia indistincta, Montagu. Op. cit. iv. p. 149, 

 V. pi. 75. f. 1. 



Occasionally in shell-sand from the West Sands. 



Odostomia tnterstincta, Montagu. Op. cit. iv. p. 151, 

 V. pi. 75. f. 2. 



In shell-sand from the same locality. 



Odostomia nitidissima, Montagu. Op. cit. iv. p. 173, 

 V. pi. 76. f. 8. 



In ddbris from the West Sands. 



Fam. 19. Eulimidae, H. & A. Adams. 

 Genus EuLiMA, Risso. 

 Eulima hilineata^ Alder. Op. cit. iv. p. 210, v. pi. 77. f. 8. 

 In muddy debris on old shells from deep water. 



Fam. 20. Naticidae, Swainson. 

 Genus Natica, Adanson. 

 Natica islandica, Gmelin. Op. cit. iv. p. 214, v. pi. 78. f. 1. 

 A single specimen from the fishing-boats. 



Natica catena, Da Costa. Op. cit. iv. p. 220, v. pi. 78. f. 4. 



Common on the sandy bottom off the West Sands. The 

 ova occur abundantly in July and August. 



Natica A Ideri, Forbes. Op. cit. iv. p. 224, v. pi. 78. f. 5. 

 Less abundant than the foregoing, on the same ground. 



Fam. 22. Velutinidae, Gray. 

 Genus 1. Lamellaria, Mont. 



Lamellaria perspicua, L. Op. cit. iv. p. 235, pi. 3. f. 6, 

 V. pi. 79. f. 2 & 2 a. 



Common under stones between tide-marks, especially in 



