32 
THE VOYAGE OF H.M.S. CHALLENGER. 
Division II.— VESICULARINA. 
Vesicularina (pars), Johnst. 
Stolonifera, Ehlers, Hincks. 
Les centrifugines radicelles (pars), d’Orb. 
Vesiculariea, Smitt. 
Character. — Zoarium corneous, developed by the continuous segmentation of a 
branching stem or stolon, having a transverse diaphragm at each node. Zooecia 
budding directly from the internodes and not from each other. 
Family II. Vesicularlcle. 
Vesiculariadx, Johnst., Alder, &c. 
Vesiculariidx and Valkeriidx , Hincks. 
Vesiculariese, Smitt. 
Character. — Zoarium erect, free and ramose or radicate, repent or stoloniferous. 
Zooecia deciduous or readily detached, leaving a circular area filled in by a perforated 
diaphragm. Wall entire all round, without any membranous area. 
The Family here contains the following genera : — 
1. Amathia , Lamouroux. 
(1) Amathia lendigera, Linn. 
(2) Amathia distans, n. sp. (PL VII. fig. 1). 
(3) Amathia brasiliensis, n. sp. (PI. VII. fig. 2). 
(4) Amathia spiralis, Lamx. (PL VI. fig. 2). 
(5) Amathia tortuosa, Woods (PL YI. fig. 1). 
(6) Amathia connexa, n. sp. (Pl. YI. fig. 3). 
(7) Amathia semispiralis, Kirchenpauer (Pl. VIII. fig. 3). 
V 
2. Vesicularia, J. Y. Thompson. 
(1) Vesicularia papuensis, n. sp. (Pl. VIII. fig. 1). 
(2) Vesicularia trichotoma, n. sp. (Pl. VIII. fig. 4). 
3. Farrella, Ehrenburg. 
(i) Farrella brasiliensis, n. sp. (PL VII. fig. 3). 
