PLATE VII. 
Fig. 1, 4. BALANUS rugosus, Varieties. 
Fig. 2, 3, 7, 8. Opercular Valves of Balanus Rugosus. 
Fig. 20. BALANUS rugosus, Elongated Variety. Coast of Northumberland. 
Fig. 10. BALANUS cranchii. 
Balanus Cranchii, Leach in Sup. to Ency. Brit. Art. Cirripedes, pi, Ivii — Common at Tenby and other parts of 
Wales. 
Fig. 11, 12. Opercular Valves of Do. 
Fig. 6. BALANUS spongicula. 
Balanus spongicula, Leach MSS. In Brit. Mus. — New shell found at Weymouth. 
Fig. 14, 15. Opercular Valves of Do. 
Fig. 17. BALANUS ovularis. 
Balanus ovularis, Latn. Si/st. v. p. 392. 
Balanus balanoides, Mo7it. Test. Brit. p. 7- 
Lepas balanoides. Mat, and Rack, in Lin. Tr. viii. p. 23. Brown in Ency. Brit. vi. p. 402. No 2. 
Fig. 8,* 9.* Opercular Valves of Do. 
Fig 13. BALANUS punctatus. 
Balanus punctatus, Mont. Test. Brit. p. 8. pi. 1. Fig. 5 Brown in Ency. Brit. vi. p. 402. No. 3. 
Fig. 21. BALANUS fistulosus. 
Balanus fistulosus. Lam. Syst. v. p. 396. 
Lepas elongata, Chem. Conch, viii. Tab. 98. f. 838 Bal. Fist. Brtig — No. 6. Ency. pi. 164. fig. 7 and 8 Com- 
mon at Tenby in North Wales. 
Fig. 30. CREUSIA verruca. 
Creusia verruca. Lam. Syst. v. p. 400. 
Lepas striata. Pen. Brit. Zool. iv. p. 38. 
Lepas verruca, Chem. Conch, viii. t. 98. f. 834. 
Balanus verruca, Brug. No. 13. Ency. pi. 174, f. 46-17 — Lepas intertextus, Turton Brit. Fauna i. p. 144. 
Fig. 27, 29. ADNA anglica. 
Adna anglica. Leach's MSS — Inhabits the Caryophyllia Anglica, and is often found in Plymouth Sound In Bri- 
tish Museum. — Found by Dr Leach. 
Fig. 28. Opercular Valves of Adna Anglica. 
