WORMS. MOLLUSCA. 49- Medufa. *23 
Barhut. tab. 9./^. 3- Wgoth. tab. 3. f. $■ 
Baflcropuf fubj.Z.t.to.tab. ^.^g.}. 
Inhibits the Ocea:.: about 8 inches m diameter. 
Bud^ whitiih femipcllucid fragile ; above convex, bene 'th t 
a rough circle, withirt which are 8 pair ot rays; and a 
number of curled fibres and appendages from the centre, 
the margin divided into 8 portions, each of which is emar- 
giiuce. 
Disk capitate, with 8 foramina or holes on the border: 
beneath arched and hairy, , 
Inhabits the .W' Barbnds Wurmf. tab, 4 > • 
Bady with an irregular relkded margin. 
Semioval w itli 4 tentacula on the margin. 
Barbut. lab. g.fg. 5 - ^ 
Inliabiti the iVlednirraneaii ; refembles a purle. 
Demirphcerical with 4 tranfverfe ribs beneath, and mar- 
oinal tentacula and gloUMles: the'margin entire. 
MM. Zocl. Dan. I./. 22. a. J tab. J.fig. I-5. 
Cst'ononj. adt. Halv. 4* /*• 3^' 7"_ * 
Inhabits BuTopsan Scat', about 2 lines in diameter. 
Hemirphxri'cal-concave with a crenate inctirved margin and 
8 tentacula. _ 
Inhabits the American and Atlantic Seas. Laefll. It. 105. 
P 
DeptefTed, with reddilh-brown warts and dots; margin 
with 8 red tentacula. 
ForjJc. fn. A:.tlpt. Arab. p. lO^.tab.zi,. 
Inhabits the "Atlantic and Med.terranean Seas, where they vvander 
in large groupes, illuminating the waters, and if lhaken in 
lea water emit fparks of light; thefe 2 laA are probably only 
varieties. 
‘ ^<^fca' Body with 16 brown rays and a brown circle in the middle 
the circumference edged with alternate crooked tangs 
and oval tubercles. 
BorUj'e Cornwall, p. 256. ted’. Z^. fig, 7* 
Baibiu's Worms. 80. tab. <). fig- 7 * , 
Inhabits the Coail of Cornwall. Tentacula 4, laceratea, a little 
exceeding rhe body. 
‘ ^‘^pvra. Body with pale purple rays; and a light purple crofs in the 
centre, between each bar of which is a deep purple 
horfe-ihoe-Qtapedmark.^^ - 
