i 2 ^ WORMS. MOLLUSCA. 50. ifyffbphora. 
ProhofcUa. Hemifpha:ucal, with a long probofcis in the middle 
. neath; and 6 marginal tentacula. 
lahahhi Mediterranean Forsk. fi. Arab. p. \ot. n. 2^. 
Body hyaline, zj inches broad, with a prominent equal' margi": 
frobo/ch fubflexiie and truncate at the tip* with a friog'" 
folded verfatile membrane. 
holbcina, Deprefled, with 12 laferstl a{ 5 ertiifcs And tentacula. 
ike Mediterranean, Forsk fri. Arab-, p, lOQ 
Body 2x1 inch and a half in diameter,- hyaline, the margin 
minent with iz plaits, “ 
Pikaia, Ovate-cainpanuiate, -with a hyalihe globe aboie: with!*' 
an oblong red nucleus : margin with numerous tenW'' 
, cula yellow at the bafe. 
Inhabits the Mediterranean. Forth. fn. Aral. p. ii^. n 26/ 
Body about an and a half high; the margin a little contrafted. 
■rudgera. 
Hemifphicrical, with a reddllh crofs as wide as the body* 
Inhabits Forth, fn. A-g. Arab. p. 1 ,0. «. 27,' 
Body about the fize of half a cherry, with 4 very minute whi>.^ 
approximate rings above; the margin thin, prominent, vati' 
oufly flexile and often reddiih: tentacula very numerous, 
as long as the body ij wide. 
Unguicula. Orbicular; above flat with 16 rays: the margin crenatc/ 
with 16 nightly incurved fangs. 
Snuartt Aa. Stockh. 1788'. 3. n.7. tab. 6 , Jig. i. 
Inhabits the fliores of Jamaica-, fize of a fmall nutmeg j 
Body diaphanous, blueifii, fpotted. 
v50. PHYSSOPHORA. Body gelatin oU'’? 
pendent from an aerial velicle, vitli 
gelatinous feffile members at the fides^ 
and numerous tentacula beneath. 
Thefe arc nearly allied to the Medufa:, and hnight without 
impropriety be removed into that Genus, 
fiydrotiati. Oval ; with numerous lateral 3-lobed veficles, open out' 
wardly; middle inteftine and 4 larger tentacula red. 
Forth, fn. Egypt. Arab. /. 1 19, n. 45. 
Inhabits the Mediterranean; about half an inch long, compreire< 5 t 
end always fwims with the tip of the veficle above the water- 
