8G NATURAL HISTORY OF 



which is lineated, and has a castellated rim with 

 fourteen denticles. The gonothecse are generally ovule 

 and ringed, those of G. voluhilis being flask-shaped 

 and smooth. 



3. C. INTEGRA, Macgillivray. 



? C. Isevis {R. Q. a, P. E. G.). 



Hab.: Donmouth(iHac(/i7^u'ro2/)^ Hastings {Saunders), 

 llfracombe^ Filey {Hindis), Bamborough {Aid.), Wick 

 (0. W. P.), Isle of Man {B. L.). 



This is a very pretty species. The stem is simple, 

 slender, and twisted, with two or three rings below 

 the calycles, which are bell-shaped and have a plain 

 rim. The gonothecae are very curious, being spirally 

 twisted. 



4. C. CALicuLATA, HincJcs. 



C. breviscyphia {8ars), Clytia poterium (Ag.). 



Hab. : Ramsgate {Boswell), Ilfracombe, Swanage 

 [Hinc'ks), Jersey {A. M. N.), &c. Height ^ in. It is 

 found generally on red algae, and is very beautiful. 



The peculiarity of this species is that the calycle 

 appears double, from the fact that the cavity is enclosed 

 by a greatly thickened though transparent wall, "giving 

 the calycle the appearance of an inverted bell-handle.''^ 



The stem is simple and crenated, with a single dis- 

 tinct ring below the calycle. 



5. C. VEETICILLATA, Lvin. 



Sertularia verticillata {Linn., Pal., E. and 8., Tiirt., 

 Bosc, Hogg), Clytia verticillata {Lamx.), Haleciura ver- 

 ticillatum {Ohen), Capsularia verticillata {Gray), Lao- 

 medea verticillata {He B.). 



Hab. : Common, especially on the south-west coast. 

 Height about 3 in. Stems branched. Upon both 

 stem and branches are pedicels given ofi" in distinct 



