Chapter II: Section C: 223

14. Balanus trigonus 223
15. Balanus spongicola 225
16. Balanus lævis 227
Var. nitidus, Coquimbensis
17. Balanus perforatus 231
Var. angustus, Cranchii, fistulosus, mirabilis
18. Balanus concavus 235
19. Balanus amphitrite 240
Var. communis, venustus, pallidus, niveus, modestus,
Stutsburi, obscurus, variegatus, cirratus
Varieties 245
20. Balanus pœcilus 245
21. Balanus eburneus 248
22. Balanus improvisus 250
Var. assimilis
23. Balanus nubilus 253
24. Balanus corrugatus 254