Страница - 339 Страница - 341 Fig. [1 a ] , [Balanus improvisus] ; [1 b ] , scutum, internal; [1 c ] , tergum, external view. [2 a ] , [Balanus nubilus] , scutum, internal view; [2 b ] , tergum, ditto; [2 c ] , tergum, external view.[3 a ] , [3 b ] , [Balanus corrugatus] , scutum and tergum, internal view.[4 a ] , [Balanus porcatus] ; [4 b ] and [4 c ] , scutum and tergum, internal views; [4 d ] , tergum external; [4 e ] , basal edge of the parietes of wall of shell.[5 a ] , [Balanus patellaris] ; [5 b ] , scutum, internal; [5 c ] , tergum, external.[6 a ] , [Balanus crenatus] .[6 b ] ,””smooth var. [6 c ] ,””elongated var. [6 d ] and [6 e ] ,”scutum and tergum, external views.[6 f ] and [6 g ] ,”””internal views.Fig. [1 a ] , [Balanus glandula] , scutum, internal; [1 b ] , tergum, external. [2 a ] , [Balanus balanoides] ; [2 b ] , portion of basal edge of parietes of a compartment; [2 c ] , tergum; [2 d ] , tergum, var. [3 a ] , [Balanus cariosus] ; [3 b ] , portion of basal edge of parietes of a compartment; [3 c ] , scutum, internal view of; [3 d ] , tergum, internal; [3 e ] , tergum, external view.[4 a ] , [Balanus declivis] , lateral view, with basal membrane removed; [4 b ] , rostrum (to left hand), two lateral compartments, and carina; [4 c ] and [4 d ] , scutum and tergum, external views.[5 a ] , [Balanus Hameri] ; [5 b ] , scutum, internal view; [5 c ] , tergum, external view.
[6 a ] , [Balanus amaryllis] ; [6 b ] , scutum, internal; [6 c ] , tergum, external view.[7 a ] , [Balanus allium] ; [7 b ] and [7 c ] , scutum, external and internal views; [7 d ] , tergum, external.[8 a ] , [Balanus cepa] , scutum, internal; [8 b ] , scutum, external;
[8 c ] , tergum, external view.Fig. [1] , [Balanus quadrivittatus.] [2 a ] , [Balanus terebratus] , part of basis seen from the outside; [2 b ] , the same, seen from within.[3 a ] , [Balanus vestitus] , scutum, internal view; [3 b ] , tergum, external view.[4 a ] , [Balanus imperator] , scutum, internal view; [4 b ] , tergum, external view; [4 c ] , portion of basal edge of wall of the shell.[5 a ] , [Balanus flosculus] .[5 b ] ,””var. sordidus.[5 c ] ,””scutum, internal view.[5 d ] ,””””var. [5 e ] and [5 f ] ,”tergum, internal and external views of.[6 a ] , [Balanus bisulcatus] , scutum, external view; [6 b ] , tergum, external view; [6 c ] , scutum, internal view.[7] , [Balanus dolosus] , tergum, external view.[8 a ] , [Balanus unguiformis] , scutum, internal view; [8 b ] , tergum, do.[9] , [Balanus varians] , tergum, external view.[10 a ] , [Balanus inclusus] .[10 b ] ,””var. that has been attached to a branch of a coralline.[10 c ] ,”””seen from beneath, showing the narrow furrowed basis and wide lateral compartments; the other four
compartments, namely, the two carino-lateral, the carina, and rostrum, being of very small size.Fig. [1 a ] , [Acasta spongites] ; [1 b ] , scutum, external view; [1 c ] , scutum, internal; [1 d ] , tergum, internal. [2 a ] , [Acasta sulcata] ; [2 b ] , var. , lateral compartment of; [2 c ] and [2 d ] , terga, internal views of two varieties.[3 a ] , [Acasta cyathus] ; [3 b ] and [3 c ] , scutum and tergum, internal views.[4] , [Acasta undulata] , scutum, external view.[5 a ] , [Acasta glans] , basis seen from within; [5 b ] , compartments of a smaller specimen, seen from within; carina on the right-hand, cut into two; carino-lateral and lateral compartments to the left-hand; [5 c ] , tergum, internal view.