PLATE VII. 
Figure 
Amathia. — Farrella. 
1 . — Amathia distans, ..... 
la, part of the zoarium, .... 
lb, young spiral not fully developed ; lc, showing 
exserted necks, .... 
Dianx Page 
33 
x 25 
x 50 
2. — Amathia brasiliensis, . . . . . . 34 
2a, 2b, portions of the zoarium ; 2c, long, barren- 
jointed, terminal filaments ; 2d, 2e, occa- 
sional scattered zooecia, . . . x 25 
3a. — Farrella atlantica, . . . . . x 50 37 
36, 3c, zooecia with polypides ; 3d, with quadrangular 
orifice; 3g, young zooecium, . . x 110 
3e, 3 f different forms of zooecia, . . . x 50 
