124 WORMS. MOLLUSCA. 49. Medufa, 
Inhabits €orzzval/. Borlafe Corn. tab. 25. fg. 9, 10. 
Tentacula 4, thick, fhort, not exceeding the body. 
*Tubercue With 15 brown rays meeting at the centre, and fmall oval 
lata. tubercles round the margin; tentacula 4, plain, much 
longer than the body. M 
Bor/afe Cornwall, p. 257. tab. 25, t 11,12, 
Barbuts Worms, p. 81. tab. 9; fig. 8 
Inhabits the coait of Corzzvgl/. 
9 Undulata. Margie undulate, with fangs on the projecting parts: 
beneath 4 orifices, between which is a ftem divided 
into 8 ragged tentacula. 
Borlafe Corm. tab. 25, fg. 15. Barbut, tab. 9. fig: Qs 
Inhgbits the coaít of Corawall. 
*Lunulata. Margin tuberculate; beneath in the centre 4 conic appen. 
dages forming a crofs, with feveral others like ferrate, 
leaves furrounding it: tentacula 8. 
Borlafe Cornwall, p. 258. tab. 25, Sig. 16, 17. 
Inhabits the coaít of Corsacall. 
! Tentacula vot longer than the margin, and between each a femi- 
— luar aperture. 
Nuda. Orbicular, blue, without creft: tentacula of the difk naked, 
Phas of the ray with 3 rows of glands. 
Holothuria nuda. Gom $4. Nat. p. 3143. n. 22, 
* Inhabits the Mediterranean; not an inch diameter, 
Body with a whitifh difk above, and radiate with concentric 
itrie, the margin and border blue: tentacufa filiform and 
dlucifh- hyaline, 
Vella, Orbicular, blue, with an ghlique finals creft or membrane, 
ws and numerous tentacula beneath. 
Shaw Nat, Mifcell. tab. 250. 
Brown Famaicay p.387. tab. 48. fig. ty |» 
. Imperat. Nat. tab. 912. Col. ecphr, 20. tab. 22. 
Inhabits the :Jantic and Mediterranean Seas, 
Body flat, thin, oval and marked with numerous concentric ftriz : 
- veil or crefi glafly, with numerous ftrim. — 
Spirans, Oval, blue, with oblique divided creft or veil, and numerous 
;  tentacula beneath. 
Shaw Natur. Mifeell. tab. 247. 
Holothuria Spirans. Gmelyn Syfl. Nat. p. 3145. 
Ynhabits the Meacterranean;, about 2 inches long, 
Lol 
