WORMS. MOLLUSCA. 49, Meduf;*. 123 



Barbut. tab. <). fg. 3- {** Wgoth. tab. 3. f. 3. 



Bajkr opuf. fubj. 2. p. 60. tab, 5. 4g. l. 



Inhabits the Ocean: about 8 inches in diameter. 



Body whitifh femipellucid fragile; above convex, beneath flit 

 with a rough circle, within; which are 8 pair of rays; and a 

 number of curled fibres and appendages from the centre: 

 the margin divided into 8 portion*, each of which is emar- 

 ginate. 



*Pi!earis. Disk capitate, with 8 foramina or holes on the border: 

 beneath arched and hairy. 

 Inhabits the Sea' Barbut* s Warms, tab. 9~fg< 4. 

 Body with an irregular reflecled margin. 



Marjupialis Semioval with 4 tentacula on the margin, 



Barbut. tab. 9. jig. 5. Plane. Comb, rar t. 4./". 5. 

 Inhabits the Mediterranean 3 refembles a purfe. 



1 



fkntfpha* Hemifphaericai with 4 tranfverie ribs beneath, and mar- 

 rica. ginal tentacula and globules: the margin entire. 



Mull. Zool. Dan. \.p> 22. it. 5. tab. 7. fig. 1--5. 

 Grono-v. aSi. Helu. 4 p. 38. tab. 4. fig. 7* 

 Inhabits European Seas', about 2 lines in diameter. 



Vclagka. Hemifphasrical-concave with a crenate incurved margin and 

 8 tentacula. 

 Inhabits the American and Atlantic Seas. L&jll. It. 105. 



Xcailuca* Depieffcd, with reddifli-brdwn warts and dots? margin 

 with 8 red tentacula. 

 Forjk.fn. /£gvpf, Arab. p. 1 09. tab. 24. 



Inhabits the Atlantic and Mediterranean Seas, where they wander 

 in large groupes, illuminating the waters, and if ihaken in 

 fea water emit fparks of light : thefe 2 laft are probably only 

 Varieties. 



• Fufca* Body with 16 brown rays and a brown circle in the middle; 



the circumference edged with alternate crooked fangs 



and oval tubercles. 

 Borlafe Cornwall, p. 256. tab. 25. fig, J '» 8. 

 Barbut* s Worms. 80. tab. 9. fig. 7. 

 Inhabits the Coaft of Cor niua 11. Tentacula 4, lacerated, a little 



exceeding rhe body. 



* Purpura, Body with pale purple rays ; and a light purple crofs in the 



centre, between each bar of which is a deep purple 

 horfe-fhoe-fhaped mark. 



Q 2 Inhabits 



