178 NATURAL HISTORY OF 



1 . E. CAENEAj Gosse. " The Crimson Pufflet/* 

 Hab. : Torquay (P. E. G.), Tenby. Length 1 in., 



diam. -^ in. 



Colour. Gapltulum : Translucent, with pink tinge, 

 showing the oesophagus "as a rich scarlet axis." 

 Scapus: Eose-tinted. Disc a cream- white star. Ten- 

 tacles pink, with bands of more opaque colour. 



This species has 28 tentacles, arranged in three rows. 



It lives in eroded rocks, '' in the old burrows of the 

 Mollusc Saxicava." 



2. E. Allmani, Mcintosh. 



3. E. GooDsiRi, Mcintosh. 



These two species have been described as new by 

 Mr. Mcintosh (Proc. K. S. Edin., 1864). They were 

 found by him at St. Andrews. 



FAMILY III. CERIANTHIN^ (Cekianthej:). 



Actiniaria ivith numerous unpaired septa, and a single 

 ventral oesophagal groove. Septa alternately fertile and 

 sterile, longest on the dorsal side, and gradually dimi- 

 nishing towards the dorsal aspect. — Heetwig. 



Sub-family CEKiANTHiDiE, Hertwig and Andres. 



Tentacles in two rows, marginal principal, circumoral 

 accessory. Posterior of body rounded without sphincter. 



Genus Cerianthus, Bella Chiage. 

 Column lengthened bulb-like at proximal extremity, 

 perforated with a distinct orifice, expanding trumpet- 

 like into the tentacles. Enveloped in a loose non- 

 adherent tube or sheath of mud, sand, cnidse, &c., of 

 tough membranous texture. Tentacles n on- retractile. 

 — Gosse. 



