124 



WORMS. MOLLUSCA. 49. Medufa. 



Inhabits Cornwall. Borlafe Corn. tab. 25. fig. 9, 10'. 

 Tentaatla 4, thick, (hart, hot exceeding the body. 



*Tubercu- With 15 brown rays meeting at the centre, and fmall oval 

 (ata. tubercles round the margin : tentacula 4, plain, much 



longer than the body. 

 B:'-':fe Cornwall, p. 257. tab. 2^, fig. if, 12, 

 Bar but** Worms, p 8 1 . tab. 9>fg.$. 

 Inha'its the coall of Cornwall. 



• Undulata. Margin undulate, with fangs on the projecting parts; 



beneath 4 orifices, between which is a ftem divided 



into 8 ragged tentacula. 

 Borlafe Cornw tab 25, fig. 15. Barbut, tab. 9, fg. 9. 

 Inhabits the coaft of Cornwall. 



•Lunulata. Margin tuberculate ; beneath in the centre 4 conic appen- 

 dages forming a crofs, with fevcral others like ferrate 

 leaves fur rounding it : tentacula 8. 



Borlaji Cornwall, p. 258. tab. 25, fig. 16, 17. 



Inhabits the coaft of Cornwall 



Tentacula not longer than the margin, ana} between each a femi* 

 luar aperture. 



bfuda. Orbicular, blue, without crefl : tentacula of the difk naked, 



of the ray with 3 rows of glands. 

 Holothuria nuda. Gmelin Syfl. Nat. p 3143, ». 22. 

 Inhabits the Mediterranean; not an inch diameter. 

 BoJv with a whitifh difk above, and radiate with concentric 



ftriae, the margin and border blue: tentacula filiform and 



blueifh-hyaline. 



Velelld. 



Spirans, 



Orbicular, blue, with an oblique fimple creft or membrane, 

 and numerous tentacula beneath. 

 Shaw Nat , Mifcell tab. 250. 

 Brown Jamaica, p. 387. tab. 48. jig. I. 

 Imperat. Nat. tab. C)l2. CoLecphr. 20. tab. 22. 

 Inhabits the Atlantic and Mediterranean Seas. 

 Body flat, thin, oval and marked with numerous concentric ftris \ 

 'veil or crefl glafly, with numerous flriaD. 



Oval, blue, with oblique divided creft or veil, and numerous 

 tentacula beneath. 

 Shaw Natur. Mifcell. tab. 247. 

 Holothuria Spirans. Gvielyn Syfl. Nat. p. 3143, 

 Inhabits the Mediterranean ', about 2 inches long. 





