12 



I 



WORMS. MOLLUSC A. 50. Phyffophora. 



Prcbofdda- Hemifphaeiical, with a long probofcis in the middle be 

 ' l h neath ; ;:.nd 6 margfyia] tentacula 



Id abitj, the Mediterranean Forik, fn. Arab, p. io$. n 23. 

 Bndy hyaline, z\ incn.s road, with \ pr mincnt equal margin I 

 probofcu fuhflex ile and truncate at the tipi with a fringed 

 folded verfatile memurane. 



mollicina, DeprefTed, with 12 lateral apertures and tei taenia. 



in abits the Mediterranean. Fprsk'.Jh Jrr.. r too n. z$, 

 Bed\ an inch and a half in dianieur, hyalin^, 'Fk margin pro- 

 minent with 12 plairs, 



Pileatn. Ovate-campanulate, with a hyaline dobe above: within! 

 an oblong red nucleus : margin with numerous tenta- 

 cula yellow at the bafe. 

 Inhabits the Mediterranean. Forsh.fn Arab. p. no. n. 26.' 

 Body about an and a half high, the margin a little contracted. 



rucigera, Hemifphaerical, with a rcddifli crofs as wide as the body. 



Inhabits . Fcrsk.fn. /Eg. Arab. p. \ 10. n. 27. 



Body about the fize of half a cherry, with 4 very minute white 

 approximate rings above; the margin thin, prominent, vari- 

 ously flexile and often reddifh : tentacula very numerous, not 

 as long as the body is wide. 



C. 



Unguicula- 

 ta. 



Orbicular; above flat with 16 rays: the margin crenatey 

 with 16 llightly incurved fangs. 

 Swans Aft. Stockh. 1788. 3. n.y. tab.6,fg. 1. 

 Inhabits the fhores of Jamaica ; fize of a fmall' nutmeg. 

 Body diaphanous, blueifh, fpotted. 



50. PHYSSOPHORA. Body gelatinoul 

 pendent from an aerial' veiicle, with 

 ' gelatinous fertile members at the fides, 

 and numerous tentaeula beneath. 



Thefe are nearly allied to the Medufas, and might without much 

 impropriety be removed into that Genus, 



Hydrcstari- Oval ; with numerous lateral 3-Tobed veficles, open out- 

 *& wardly: middle inteftine and 4 -larger tentacula red. 



Forsk. fn. £gfpt. Arab. p. 119, n. 45. * 



Inhabits the Mediterranean ; about half an inch long, comprefledy 

 and always fvvims with the 1 tip of the veficle above the water. 



■ '-...« Ro/acea* 



