Plate I. 

 'jg. a. J. 



Natural Hiflory of 



CHAP. II. 



Of the Veficulated Corallines. 



N°. I. /^Oralliriavejiadatafpm'fimet alternatimramofa^den- 

 ^^ ticulis oppofnls cylindrkisy ofibus crefiaits patulis. 

 Sea-Tamarifk. 



This cvirious Coralline was taken up in very deep Water, 

 near the Ifland of Dalkey^ at the Entrance of the Harbour 

 of Dublin. Its Ramifications are irregular, but chiefly al- 

 ternate : Its Texture is of a thin tranfparent horny Nature : 

 The Denticles are large, cylindrical, open, and oppoiite j 

 and each Pair feems fixt in the Top of the next Pair be- 

 low it. 



The Veficles appear to be fliaped fomething like a Hearty 

 with a fhort Tube at the Top, not unlike the Aorta, or Fena 

 cava cut off, as it is reprefented in the magnified Part, Fig. 

 A, Plate I. 



N". I. Fig. a, in the fame Plate, fhews the natural Size 

 of a Part of this Coralline : And at Fig. A the Denticles 

 are magnified by the fifth Glafs of Wilfons fingle Micro- 

 fcope. 



yiate I. ^''. 2. Car allina marina Abietis forma. Tournf. I. R. H. 571. 

 Pjg- • B, l^ufcus marinus Filicis folio, H. Ox. Vol. III. p. 65. Tab. 

 9. Fig, 1. 

 Sea-Fir. 



This Coralline adheres to Oyfters, Mufcks, and other ma- 

 rine Subftances by wrinkled tubular Roots ; which rifing in- 

 to many ftiff, hollow, and horay Stems, throw out alternate 



regular 



