This fpecies is not uncommon on many parts of our 

 rocky coafts, to which it adheres fo ftrongly as to render it 

 difficult to feparate whole: mofl commonly in clullersj 

 by which they are didorted into various ftiapes. 



2. 

 Lepas Balanoldes. Lin. Syjl. p. IIOS. — Gmel. Syjl. p 3207. Balanoides, 



Tiirt. Lin. iv. 166. — Br. Zool t. 37. f. 5. 



Don. Br. Shells. \. t. 36. f. 2. 3. 

 Balanus Vulgaris. Da. Cojia. p. 248. t. 17. f. 7. 



Lifter: Conch, t. 444. f. 287. 



LI. Angl. t. 5, f. 41. 



Pult. Cat. Dorfet. p. 25. 



B. with a fub-conic, and fomeiimes much deprefied fhell, 

 ufually with fix compartments divided by a deep longi- 

 tudinal furrow, fmooth, white, frequently deeply fulcated 

 at the bafe; the pofterior compartments the largefl; : 

 aperture larger in proportion than in the lad fpecies : 

 operculum of four valves; the two upper flightly ftriated 

 tranfverfely, the others fmooth. Diameter at the bafe, a 

 quarter, rarely half an inch. 



This is by far the mofl plentiful fpecies on all our rocks 

 between high and low water mark, fometimes entirely co- 

 vering them: it is alfo found attached to wood, fhells, 

 and cruftaceous animals. 



Balanus 



