( 94 ) 



CHAP. XI. 



Of the Barnacle.' 



T Have already taken Notice of 

 this Sea-Produ£tion t and giveri 

 fomething of a general Defcription 

 of it, in the Introduction to this 

 Effay. I then propofed, and fince 

 the Time of Writing it have had 

 Opportunities of examining this Ani- 

 mal with more Accuracy, fo far at 

 leaft as to enable me to give an ex- 

 after Defcription of it with certain 

 Drawings from the Microfcope, which 

 I thought neceffary to illuftrate it, 

 tho' I have not been able to clear 

 up the Manner of its Propagation 

 in a Way as fatisfa&ory as I could 

 defire. For altho* upon opening the 

 Shells, which tip the long cylindrical 

 Stem of the Barnacle^ I found in 

 feveral Subjedts a blue Excrefence 

 on each Side juft below the Groupe 

 of Horns, which, upon Examination 

 in the Microfcope, appeared to be 

 a Membrane replete with fmall blue 

 Globules of an uniform oval Shape, 

 bearing a Refemblance of Spawn ; 

 yet as this Appearance, without the 



Con- 



