io6 I S I S. 



cofinexisy came fubalbida channelled joints, connected 

 porofa crajfa y ofculis in together by black contracted 

 quincunces difpofitis^ poly- horny intermediate ones. The 

 pos oSiotentaculatos obtc- flefli is whitifh, plump, and 

 gentibus. full of minute veflels ; the fur- 



face of it is full of the little 

 mouths of the cells, which 

 are diipofed in a quincunx or- 

 der, covering the polypes with 

 eight claws. 



Tab. 3. Fig. i — 5. 



I/is Hippuris. Linn. Syfl. Nat. Ed. 12. pag. 1287. 



There are many varieties of this much admired Ifis. 

 Some are dwarfifh, 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 fliort : 

 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 fedions of this Coral mag- 

 nified, to mew the manner in which the Polypes from 

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

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

 part of the animal. 



Fig. 2. is a longitudinal fection of the trunk of this 

 Coral without joints appearing on the outride ; 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 fliews its growth to be dif- 

 ferent from that of fhrubs. We likewife find that this 

 Coral fpreads its bafe on rocks, by various turnings and 

 3 windings, 



