ill . WORMS. MOLLUSC A. 49. Medufc. 



Inhabits the Greenland Seas, and moves flowly by means of the 

 fibres on the ribs: when touched contracts itfelf into the 

 form of an apple. 



Eodj.wfh'm mixed with blue and covered with irregular red dots: 

 apertures 2, terminal and meeting in the oblong middle cavity' 



Ovum, Ovate, with 8 ciliate ribs and 2 pair of cirri, one pair of 

 which is very long. 

 O. Fabr fn. Gmnl p. 362. n. 355. 

 Inhabits Greenland teas, and refembles a hat; feldom larger 



than, a Prgjeona egg. 

 Body iUcid and very fragile, the fragments while alive blue, 



B. Body Jmooth. 



Perpita. Body above flat, beneath a little convex grooved and villous. 

 Inhabits India. Amcen. Acad. 4./. 255. tab. 3. fig, 7 9. 



* Cruciata. Body marked with a milk-white crofs. 



Inhabits European Seas. Barbufs Worms, tab. 9. fig. 1. 

 Body like a tranfparent colourlefs jelly, and furrounded at the 

 margin with fine fibres : the crofs marked with a brown fpot 

 on each arm. Is very luminous when under fnn-fhine. 



lly/ocella. Body convex, with 16 rays, and 4 united tentacula beneath. 



Eallop.fubf.i.p. 62. tab. "J * jig. $? 



Inhabits the fea round Portugal. 



Body above whitifh, the rays compofed of extremely minute 

 reddifh -brown dots : beneath concave : tentacula longer than 

 the body, lanceolate and marked with reddifh flriae. 



*JEquorea. Flattifh, with a villous inflected tentaculate margin. 

 Bad. op.Jubf. z.p. 55. tab. 5, fig. 2, 3. 



Inhabits thi' Ocean; extremely Ample foft and fringed at the 

 margin with white, 



* Aurita. Convex above, with an inflected fringed margin; beneath 



with 4 arched cavities near the centre. 



Barbut. tab. 9. fig. 2. //. Wgotb. \JZ. t. 3./. 2. 



Bafi. op.fubf. 2. tab. 14. fig. 3. 7, 82- /. 58 — 60. 



Merret pin. p. 195. tab. 76, 77. 



Found frequently floating on the furface of the fea ; 2 — 4 inches 

 diameter : when the fun fhines upon it, reflects a beautiful 

 fplendor. 



*Capi!lata. Body convex with 16 indentations round the margin, and 

 numerous flender filaments beneath. 



BarbuU 



