PLATE VI. 



Amathia. 



Figure 1. — Amathia tortuosa, ..... 



la, part of a branch ; Ife, showing the exserted neck, 



,, 2. — Amathia spiralis, . . . . 



2a, 2b, portions of the zoarium, 



„ 3. — Amathia connexa, ..... 



3a, part of the zoarium ; 36, another part, showing 



the commencement of a branch, . . x 25 



. 



Diam. 



Page 

 34 



X 



25 



34 



X 



25 



35 



