Class VI. ACTINIA. 103 



in several ranges, short, and when open, form a 

 radiated angular circumference, like a beautiful 

 flower, with a smooth polygonal disc ; the color 

 of the stalk, a fine red ; of the tentacida varied 

 with several colors. This species is retractile. 

 Inhabits Cornwall. 



Hydra gemmacea. Gm. Lin. bus glandulls longitudina- 3. Verru- 



3868. liter striata. Ibid. Jig. 4. ^°^'^" 



Hydra discifloraj tentaculis re- A. B. 



tractilibus subdiaphanis ; Ellis Zooph, 3. 



corpore cylindrico, miliari- j 



Ac. with a long cylindric stalk; marked with 

 elegant small tubercles, disposed in strait lines 

 from top to bottom ; the circumference of the 

 mouth striated, surrounded with short petals, 

 like those of the sun-flower ; and those again 

 with white tetit acuta, barred with brown. When 

 drawn in, it assumes the form of a bell ; and 

 the lines of tubercles converge to the central of 

 the summit. Body of a pale red. 

 Inhabits Cornwall. 



Studded, 



