*o6 I S I S. 



connexiS) came fuhalbida channelled joints, connected 

 porofa crajja^ ofculis in together by black contracted 

 quincunces difpofitis, poly- horny intermediate ones. The 

 pos oBotentaculatos obte- flefh is whitifli, plump, and 

 gentibus. full of minute veffels ; the fur- 



face of it is full of the little 

 mouths of the cells, which 

 are difpofed in a quincunx or- 

 der, covering the polypes with 

 eight claws. 



Tab. 3. Fig. i — 5. 



Ifis Hippuris. Linn. Syft. Nat. Ed. 12. pag. 1287. 



There are many varieties of this much admired Ifis, 

 Some are dwarfim, not above fix inches high ; others, 

 from a foot to two feet and more. In fome, the ftony 

 joints are longer, and the black horny joints very fhort 1 

 in others, the black horny ones are longer, but always 

 more contracted, as may be feen in the 84th table of 

 the 6th vol. of Rumphius's Herb. Amboinenfe, where 

 it is excellently defcribed. 



In tab. 3. there are feveral feclions of this Coral mag- 

 nified, to fhew the manner in which the Polypes from 

 their cells draw in their nourifhment, for the further ex- 

 tenfion and increafe both of the bony as well as the flefhy 

 part of the animal. 



Fig. 2. is a longitudinal feetion of the trunk of this- 

 Coral without joints appearing on the outfide ; but in the 

 middle of. its infide is a fmall ramification, where both 

 its horny and ftony parts are covered over with layers of 

 the ftony part alone, which ftiews its growth to be dif- 

 ferent from that of flirubs. We likewife find that this: 

 Coral fpreads its bafe on rocks, by various turnings and 

 3 windings,, 



