THE VOYAGE OF H.M.S. CHALLENGER. 



Division IL— VESICULAKINA. 



Vesicularina (pars), Johnst. 

 Stolonifera, Ehlers, Hincks. 

 Les centrifuginees 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. Vesiculaeid^e. 



Vedculariadx, Johnst., Alder, &c. 

 Vesiculariidas and Valkeriidse., Hincks. 

 Vesiculariex, 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. (PI. VII. fig. 1). 



(3) Amathia hrasiliensis, n. sp. (PI. VII. fig. 2). 



(4) Amathia spiralis, Lamx. (PI. VI. fig. 2). 



(5) Amathia tortuosa, Woods (PI. VI. fig. 1). 



(6) Amathia connexa, n. sp. (PL VI. fig. 3). 



^ (7) Amathia semispiralis, Kirchenpauer (PI. VIII. fig. 3). 



';. 2. Vesicularia, J. V. Thompson. 



(1) Vesicularia papuensis, n. sp. (PI. VIII. fig. 1). ' 



(2) Vesicularia trichotoma, n. sp. (PI. VIII. fig. 4).- 



3. Farrella, Ehrenburg. ! 



(1) Farrella hrasiliensis, n. sp. (PI. VIL fig. 3). ., i 



