'68 NATURAL HISTORY OF 



body and the lower part of each tentacle clothed in an 

 opaque brown membrane. Gonophores producing fixed 

 sporosacs. — T. H. 



1. B. VESTITA, T. S. W. 



Manicella fusca (All.). 



Hab. : North Queensferry and Inch Garvie [T. S. W.), 

 Firth of Forth {All), Whitby, Torbay, and Salcombe 

 {T. H.). Height I in. Stem slender, branched. 

 Polypary "rendered opaque by the accumulation of 

 earthy particles and sand," continuing almost to the 

 extremity of the proboscis, and forming a sheath 

 round the lower part of each tentacle. The colour is 

 dull brown throughout. Polypites with 16 tentacles. 



Genus YI. Dicortne, All. (St?, double, Kopvvq, 

 a club.) 



Stem branched or simple, rising from a creeping 

 filiform stolon, all invested by a polypary. Polypites 

 fusiform, with a single verticil of filiform tentacles. 

 Gonophores borne on rudimentary polypites without 

 tentacles, and producing natatory gonozooids. — T. H. 



Prof. Allman refers this genus to a separate family, 

 Dicorynidoe. 



1. D. conferta, Aid. 



Eudendrium confertum [Aid.), Dicoryne stricta {All.). 



Hab. : Cullercoats {Aid.), Orkney {All.), Shetland 

 {A. M, N.). Height 4 in. Stem opaque, earthy brown, 

 much branched, strongly anuulated. Alimentary 

 polypites ash-brown or flesh-coloured, with about 16 

 tentacles. The gonophores borne on blastostyles or 

 immature polypites, and producing free gonozooids, 

 which are oval, pointed at one end and expanded at 



