WORMS. MdLLUSCA. 31. Afcidial. 



Inhabits deeps of the Greenland Seas, fixed by its roots among 



the roots of Ulvae; about 4 lines long. 

 B»dy erett rounds covered with minute tubercles. 



Clxvafa, Oval, with a long filiform (tern : both the apertures lateral* 

 Nat, Mi/cell, tab, 156. Mull. Zool, Darn prod~. 2741. 

 Inhabits the Northern Ocean, and is found firmly fixed by its bafe 

 to Hones and rocks, and frequency covered over with ferpulae 

 and Zoophytes : about 9 inches long. 

 Body reddiih-brown, covered with a thick callious sVin ; within 

 glabrous and white ; fiem round, filiform, rigid ereft, a little 

 bending, and thicker towards the tip: the club or head fome- 

 times fmooth, fometirnes flightly grooved : apertures rough 

 tailed and paier. 



Peduncula* Stem gradually tapering, the head or body fufiform : both 

 ta > the apertures terminal. 



Vortex ovifera, Sy/t. Nat, xii. Ediv. Gkan. 356. 



Pall, Spicdl. Zool, 10, p. 25". tab. l.fig, 16. 



Inhabits the fea becween Aha and North America, and Is found 



adhering to various marine fu bitan'ces. 

 Body coriaceous, very much wrinkled, fcarlet, with papillary 

 orifices furrounded by a few circular wrinkles. 



*Mdmmil- Somewhat parallelipiped andwhitilh: apertures terminal* 



iay 



ts. 



and ot the fame colour as the body. 

 Pali. Spicil. Zool. IO. p. 24. tab. I ,fg. 1 5. 

 Inhabits the coaft of Cornwall, and is found adhering in an 



horizontal pofition, to fubmarine rocks. 

 Body very irritable, varioufly ihaped wrinkled and gibbous, and 



here and there lprinkled with foft hairs ; of a coriaceous fub- 



ftance and dirty whitifh : nipple of the aperture haemifphae- 



rical and a moil elegant fcarlet within. 



Glcbularis. Oval-fphserical, femipellucid: apertures terminal and fcarely 



prominent. 



Inhabits the fands of the Frozen Sea. Pall. It, 3. n. 57. p. 709. 



Body about the fize of a cherry, affixed by a very fhort peduncle ; 



skin hardifh lmootn, and covered with agglutinated particles 



of fan d. 



Phufca, Body round, red: both the apertures lateral. 



Alcyonium Phufca. Forsk.fn. s£g. p* 129. n. 82. 



Inhabits the Seas about Smyrna and Conftaniinople : 2 f- inche* 



long. The Greeks rake offthe outer skin and eat it with lemon 



juice. 

 Body fmooth, obtufe at each extremity, fometirnes flraighty 



fometirnes incurved,- 



Gelatina* 



