58 WORMS. Class VI. 



Tuberculata. BorlaseV Cornwall, p. 257. tab. xxv.fig. 11, 12. 

 50. Tuber* 



CLED. 



M. with fifteen rays pointing to and meeting at 

 a fmall fpot in the centre. Round the edges are 

 fmall oval tubera ; four plain tentacula extending 

 far beyond the body. 



Undulata. Borlase'/ Cornwall, p. 257. tab. xxv.fig. 15. 

 51. Waved% 



M. with undulated edges, with fangs on the pro- 

 jecting parts •, four orifices beneath •, between which 

 rifes a ftem, divided into eight large ragged ten- 

 tacula. 



Lunulata. Borlase'j Cornwall, p. 258. tab. xxv.fig. 16, 17. 

 52. Lunu- 



LATED. 



M. with the circumference tuberculated on the 

 edges ; in the center of the lower part are four 

 conic appendages forming a crofs ; feveral others, 

 like ierrated leaves, furround it. Eight tentacula % 

 not exceeding the edges of the body ♦, eight femi- 

 lunar apertures, one between each tentaculum. 



Simplex. Borlase'/ Cornwall, p. 257. tab. XXV. fig. 13, 14. 



53. ArM- 



L . 



M. with a plain circumference-, four apertures be- 

 neath; no tentacula. 



Thefe 



