216 ANTIIOZOA HELIANTIIOIDA. 



the Fucus saccharinus. " Observed between tide-marks at Lahinch 

 (co. Clare), by Mr. Forbes and myself," W. Thompson. 



" Corpus pallide nigrum seu obscure griseum, conico-truncatum 

 strigis viginti quatuor ac centre ad peripheriam baseos albis, alternis 

 latioribus superne puncto pertuso inscriptis j inter has strigas alia 

 tenuior et pallidior difficulter conspicitur. Centrum apertures ru- 

 gosum, rubrum. Tentacula filiformia alba, foveola versus basin ac 

 lineola duplici longitudinal! obscura notantur." Mutter. 



7. A. TROGLODYTES, body olive-green striped with many 

 white rays ; tentacula as long as the diameter of the oral disc, 

 olivacious ringed with white. G. J. 



Fig. 47. 



Actinia viduata, Johnston in Mag. Nat. Hist. viii. 82. fig. 13. E. Forbes in Ann. 

 Nat. Hist. iii. 48. Act. mesembryanthemum, var /3, Johns. Brit. Zooph. 211. 

 Act. viduata, Couch Zooph. Cornw. 31 : Corn. Faun. iii. 75. 



Hob. On rocks between tide-marks. Berwick Bay, not rare, G. J. 

 Coast of Cornwall, R. Q. Couch. In the Isle of Man found chiefly 

 on the sandy shores, its base being fixed to pebbles and gravel below 

 the sand, E. Forbes. Common in the Moray Firth, off the coast of 

 Moray shire, A. Robertson. 



The body, when contracted, forms a very depressed cone ; when 

 expanded, it is cylindraceous, about half an inch in diameter, and 

 scarcely so much in height ; smooth, olive-green striped with nume- 

 rous rays of a snow-white colour diverging from the apex to the 

 base : these are sometimes interrupted or broken into spots, and 

 often some of them are narrower, shorter, and less distinct than 

 others. The tentacula are numerous ; in one specimen of medium 

 size there were between thirty and forty arranged in two not very 

 regular circles, and when fully extended they were rather longer 

 than the diameter of the disc : they are cylindrical or slightly 

 tapered, olivaceous with duskier tips, and prettily marked with 

 three or four white rings. The oral disc is, in most specimens, 

 beautifully painted with wood-brown rays and with white, brown, 



