Worms, mollusca.- 49. Medufa. 
with numerous cxfcrtile papillse : nrms flender, Ihort, impli" 
cate or entangled together. 
Refembling a flask: neck round, the lower extremities 
dilated and fiirrounded with 8 fafckuli of tentacula. 
0 . Fabr.fn, Grctnl. p. 341. n. 33Z. 
Found in the Greenland Seas, adhering very firmly to the largeft 
Ulv», from which it rcarcly irioVes : feeds on Onifei, and is 
about I i inch long. 
black 'or reddilh, rarely chefnut-brown with a gold tinge, 
lubricous, glabrous, the margin furtounded with 8 granulate 
tubercles refembling fo many fafcicuH of tentacula about 60 
in each and which are black tipt with white : mouth white. 
49. MEDUSA. Body gelatinous, orbicular, 
arid generally flat underneath: mouth 
central, beneath. 
The animals of this genus confift of a tender gelatinous mafs of 
diifcrenc figure, furnilhed with arms or tentacular procefs 
proceeding from the lower furface; the larger fpecies when 
touched caufe a flight tingling and rednefs, and are ufually 
denominated Sea-nettles : they are fuppofed to cpnftitute the 
chief food of cetaceous filh ; and moll of them fliihe with 
great fplendor in the water. 
A. Body with cilidte ribs. 
Body ovate with about 9 ciliate ribs. 
Shanv Natur. Mijctll tab. 112. Mart. Spitz, t. p./. hi 
Brmun Jamaica. p 3 ^ 4 ' 
Inhabits InMatty lAediietrdnean narth Seat: 3 f inches long* 
Body obtufely 8-angled, hollow, tranfparent, open at the largef 
extremity and of a firm gelatinous fubllance. It contrafls and 
exparlds with great facility : ribs purplilh and furniflied with? 
a fingle fow ot Ihort flender fibres. 
Body globular with 8 dliate ribs ahd ^ ciliate cirri. 
Bafter op. fubf. 3. p. 126. tab. H. Jig. 6, 7. 
Martin. Spitsb. tab. p. Jig. g. 
Inhabits the Mediterranean and Northern Seat, 
Oblong with 8 ciliate ribs, without cirri. 
0 , Fabr.fn. Grcenl,p. 361. n. 353» 
VOI*. 
