6 Natural Hiftory of 



The firll fort is found in Plent}^, growing erecl on Oyfters, 

 near ^eenhorough in the Ifland oi Sheppey. This is very Httle 

 branched ; the Stem is flender, and twifted a little between 

 the Denticles like a Screw : The Denticles are large, pitcher- 

 fhaped, and placed alternately. When this Coralline was 

 taken out of the Sea at ^u^eenboroughy and kept immerfed a 

 little time in Sea-water, I obfei ved, through the Microfcope, 

 a Polype occupy the Infide of the whole, nnd each Denticle 

 filled with a Part of it, ending in Tufts of tejitaculi^ or fine 

 hair-like Claws, as expreffed in Plate II. Fig. A. moving 

 about very fwiftly. The Veficle is added here, to fiiew its 

 magnified Proportion to the Denticles ; but the Animal was 

 dead in it. 



At Fig, a^ N°. 3. in Plate II. is a Mufcle-fhell, with feve- 

 ral Sprigs of this Coralline, juft as it is found adhering to it. 

 A fmall Piece of one of thefe little Sprigs was put into a 

 Watch glafs of Sea-water; and, notwithftanding the Se- 

 paration of its Body, in five Minutes time the Claws were 

 moving about in fearch of Prey. 



The other Species, which is the climbing one, is more 

 branched, the Denticles are placed more afunder, and their 

 Mouths are wider : The Veficles of both Species are wrinkled. 



Fig. b^ in Plate II. fhews the natural Appearance of this 

 climbing up another Coralline. Fig. B fhews a Piece of it 

 with its Veficle magnified. 



Plate II. ]s[o, 4. Corallina mufcofa alterna vice denticulata^ ramulis 

 '^' '' in creberrima capillamenta fparjis, R. S. N\ 1 7. pag. 



Squirrel's Tail. 



On all the Shore to the Eaftward of Sheermfs in the Ifland 

 of Sheppey^ this beautiful feather'd Coralline is very com- 

 mon; 



