So Natural Hiftory . 



tho', for Want of proper Opportunities to examine them while 

 recent, I cannot exhibit fo circumflantial an Account of them, 

 as hath been done of the other Clafles of Sea-produ£lions. 



Of the feycral kinds of Sponges, found upon our Coaft, I 

 fliall only mention two, as I have not been able to procure 

 Specimens of the reft fufficiently perfed. 



Piatexxxn.jsjo, J, Spon'rta ramofa Brittanica. Park. 1:04. R. S. 

 pag. 29. IN®. I. 



Branched EftgliJJj ^^ongQ. 



The fibrous Ramihcations of this Sponge are extremely 

 fine, tender,, and tranfparent, of a pale yellow Colour, and 

 moft curioufly interwoven. The Branches rife irregularly, 

 but upright ; they frequently inofculate with one another, 

 and are a little compreffed along the Edges of the Sides. 

 At certain regular Diftances, we may obferve fmall circular 

 Holes, which feem regularly worked, in the Manner we find 

 them in the Webs of Spiders. 



Fig. y, Plate XXXII. gives us the natural Appearance of 

 a Branch of EngUpj Sponge, with the Entrances of the Ca- 

 vities along tlie Edges, at Fig. g. 



Fip". Ft is a Piece of the Top of this Sponge magnified. 



Plate XVI. N°. 2. Sp07Jgia medullam pa?iis referens. 

 F'g- 'Z- Alcyonium ramojum molle^ medidlce pa?2is intus fwiile. R. S, 



Sponge, like Crumb of Breads 



This Sponge is of a very irregular Shape, and whitilli Co- 

 lour, growing often round Fucuss and Corallines. The 

 whole Surface is full of Holes, vifible to the naked Eye; 

 and, when it is examined by the Microfcope, all the Inter- 



fticea 



