512 VESICULARIIDyE. 



Group b. Stolonifera, Elilcrs. 



Vesicularina, Johnston. 



Les CENTiiiPUGiNES RADiCELLES (part.), D'Orbigny. 



Vesiculakie.e, •Smitt. 



ZoARiuM horny or membranous. Zocecia developed by 

 budding from the internodes of a distinct stolon or 

 stem. 



i. Orthonemida, Hincks. 



Polypi DEs with all the tentacles erect and forming a perfect 

 circle. 



Family IV.^ — Vesiculariidae. 



ZotECiA contracted below, not closely united to the stem at 

 the base, deciduous, destitute of a membranous area. 

 ZoARiuM repent or erect. 



a. Polypides furnished with a gizzard. 

 Genus VESICULARIA (part.), J. V. Thompson. 



Dei". From vesicula, dim. of vesica, a bladder. 



Vesiculap.ia, J. V. Thompson (part.), Zool. lUust. 1830: Farre: Johnston : 



&c. 

 Sertularia (part.), Linnasus : Pallas : &e. 

 Laomedea (part.), Lamoiiroux : Blain-ville. 

 Valkeria (part.), Fleming : Dalyell. 



Generic Character. — Zocecia ovate, distant, disposed 

 regularly in a single series on one aspect of the stem. 

 ZoARiuM phytoid, rooted by a fibrous base. Polypide with 

 a small number of tentacles and a gizzard. 



