108 HOLOTHURIA. Class VI. 



GENUS XXVI. HOLOTHURIA. 



Body not affixed, naked, gibbous. 

 Tentacula, many at one extremity, surround- 

 ing the mouth. 



I. Pentac- Hoi. Lin. Syst. 1091. Gm. tier. PL Tr. 1761. p. 75. 



_. TES * , Lin. 313Q. tab. i. I. fig. 3- A. B. 



tivs-rowsd* , 



Hydra corolliflora tentaculis Lin. Tr. ix. t. 7. f. 4. Var. 



retractilibus frondosis. Gcert- 



H. with an incurvated cylindric body, marked 

 with five longitudinal rows of papilla ; out of 

 the centre of each issue, at will, slender feelers 

 like the horns of snails; the upper extremity 

 retractile ; when exerted, assumes a cordated 

 form, surrounded at the apex with ten tenta- 

 cula, elegantly ramified, of a yellow and silver 

 color. 



Found on the shore between Penzance and 

 Nexvland. Supposed to inhabit the deep. 



The figure engraven to illustrate this genus 

 was dredged up near Weymouth. Tab. xxviii. 



fig- 1- 



Aristotle and Pliny make use of the words 



