[ J 92 ] 



Explanation of the Plates. 



Tab. i. 



Fig. i. Actinia fociata, pag. 5. n. 5. 



A. one of the heads expanding its claws. 



B. a younger one proceeding from the end of 

 the tube. 



Fig. 2. one of the animals differed longitudinally to 



fhew the infi.de magnified. 

 Fig. 3. Actinia Calendula, pag. 7. n. 10. 

 Fig. 4. Alcyonium mammillolum, pag. 179. n. 5. 

 Fig. 5. two cells of the fame magnified and difTected 



longitudinally to fhew the polypes contracted. 

 Fig. 6. Alcyonium ocellatum, pag. 180. n. 6. 

 Fig. 7. One ol the Polypes of Alcyonium digitatum, 

 pag. 175. 71. 1. with its tentacula extended. 



Tab. 2. 



Fig. 1. Gorgonia ceratophyta diverted of its flefh. This 

 affords an inftance of its bone growing over and 

 furrounding one of its former branches, and 

 afterwards covering, as at A. fome Tree Oy- 

 flers that have adhered to the firft branch. 



Fig. 2. a quarter of a horizontal fection of it. 



Fig. 3. the fame magnified, to fhew the different layers 

 of its growth. 



Fig. 4. An old ftem of Gorgonia verticillata, with fcaly 

 layers, fliining and hard, like mother of pearl. 



Fig. 5. 



