i04 ACTINIA. Class VI. 



4. Hemi- Hydra mcsambryanthcmum. gine tuberculato. Ibid. Jig. 



SPHEuicA. Gm. Li77. 3868. 5.A. B. 



Hydra disciflora, tentaculis re- Ellis Zooph. 4. 



tractilibus, exlimo disci mar- 

 Ac. ^vith a smooth short thick stalk ; the edge 

 of the disc surrounded with a single row of 

 tubercles ; the teiitacula numerous and slender. 

 Color a dull crimson. Retractile, and flings 

 itself in that state into the form of a conoid 

 button. 



Inhabits most of our rocky shores. 



5. Penta- Hydra dianthus. Gm. Lin. Ti. I767. p. 436. iah. xix. 



PETA1.A. gyfig. f, S. 



'i '■J ' Actinia dianthus. £//« Ph. Ellis Zooph. 7. 



Ac. with a circular contracted mouth ; the disc 

 divided into five lobes covered with several series 

 of short subulated tentacida. Stalk short and 

 thick. ¥/hen contracted, assumes the form of 

 a long white fig;. 



Inhabits the rocks near Hastings, Sussea\ 



6. IMacu- a. effceta. Adams in Lin. Tr. v. 8. Twion Br. Faun. p. 50. 131. 



LATA. 



* Ac. with very numerous retractile short white 

 feelers ; base crenated ; body grooved ; the lower 



