80 
MARINE FAUNA OF ST. ANDREWS. 
Fam. 19. EulimidsB, H. & A. Adams. 
Genus Eulima, Risso. 
Eulima bilineata , Alder. Op. cit. iv. p. 210, v. pi. 77. f. 8. 
In muddy ddbris in 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 Alderi, 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 & 2a. 
Common under stones between tide-marks, especially in 
rock-pools. The figure of the living specimen in Dr. Gwyn 
Jeffreys’s work (iv. pi. 3. f. 6) was copied from a coloured 
drawing of my sister’s. The colours of this species vary in a 
remarkable manner, as shown in Plate III. figs. 2-10. 
Genus 2. Velutina, Fleming. 
Velutina Icevigata , Pennant. Op. cit. iv. p. 240, v. pi. 79. f. 4. 
Frequent in the laminarian region, and on the West Sands 
after storms ; occasionally under stones at the verge of low 
water. 
