uu 
Cc 
Acephala ; Bostrychopoda. 
Balanus angulosus, Lam. 
sulcatus, Br. (Lepas balanus, L.?) 
reticularis, m. (Lepas minor, Gm.) 
palmatus, Lam. (Lepas palmipes, L.) 
imbricatus ,. m. 
a. testa conico - convexa, 
b. testa depressa. 
ovularis, Lam. (Lepas balanoides, L.) 
miser, Lam. 
perforatus , Lam, 
a, testa conica, subsiriata. 
b, testa ventricoso - conica, (Bal. perforatus, Br.) 
spinosus, Lam, (Lepas spinosa, Chemn.) 
radiatus, Br. (Lepas violacea, Gm.) 
Chthamalus, Ranz. 
Octomeris ,, Sow. 
Tetraclita , Schum. ; Gray. (- Polytrema, Fér,) 
A. Asemus , Ranz, 
B. Conia, Ranz., non Leach, 
Elminius, Leach. 
Verruca, Schum, (Ochthosia, Ranz. ; Creusia, Lam, ; 
Fér. ; Clisia, Leach.) 
Fam. 5, Pyrgomacea, ( Pyrgomatidae , Gray. ) 
Pyrgoma, Savign. 
Daracia, Gray. (Savignium, Leach, ) 
Megatrema , Leach. 
Adna, Leach. 
Boscia, Fér. (Pyrgoma, Sow.) 
Creusia, Leach. 
Conopea , Say. 
