of t/je EscHARA. 71 



The celebrated DoAor Ber7jard yujfteu dlfcovered fmall 

 Polypes extending themfelves out of thefe Cells, which he 

 has defcribed in the Memoirs of the Acad'emy of Sciences 

 for the Year 1742. 



Upon examining fome Specimens lately, I difcovered, at 

 the Entrance of many of the Cells, a fmall teftaceous Body, 

 like a bivalve Shell. 



The Figure of the Cell, with the Shell in it^ is magnified 

 at £, Plate XXIX. It is of a tranfparent Amber-colour, fo 

 clear that one may fee the dead Animal through it, repre- 

 fented by the black Spot. 



Fig. a^ N°. 2. gives us the natural Appearance of a leafy 

 Branch of this Coralline. 



Fig. A^ is a Part of a Leaf magnified to fhew the fuperfi- 

 cial Figure of the Cells, and the Manner in which they are 

 difpofed. 



Fig. 5, fhews a crofs Section of a Leaf, and difcovers the 

 feveral Partitions of the Cells. 



Fig. C, fliews the fame Cells in fingle Ranges, or Sur- 

 faces, creeping on a Fucus^ with the Cells of the common 

 Sea-Infed that infefts all marine Bodies on thefe Coafts. • 



Plate XXX. ■ 



N°. 3. Efchara foliacea, millepora, lapldea^ extremitatibus 



hhic inde irregidariter coalejcentibus^ utraque fuperfcie ex F'g-*--^- 

 cellulis ovatis conjlans. 



Efchara retiformis, R. S. p. 31. Reticulmn marinum, 

 J. B. Ill' 809. 

 Stony foliaceous Coralline 



This ftony Millepora was found growing to an Oyfter-flielly 

 on the Weft Coaft of the IJJe ofiVight^ in April 1753 ; and, 



whea 



