M I L L E P O R A. 131 



the American iflands. It is often fhaped like the kernel 

 of a walnut, often in larger comprefTed mafTes, fome- 

 times like a bunch of very fmall grapes, moft frequently 

 in tuberculated branches. It is found from one inch to 

 three inches long. When it is taken out of the fea it is 

 covered with a flime. The pores on the furface are very 

 fmall, fo that to fee them it is neceffary to wipe the flime 

 very clean off, and to ufe a large magnifier. 



3. Millepora decuffata. InterfeSled Millepore. Tab.ij, 



Fig. 9. 



Millepora cretacea la- This Millepore is full of 



??iellata^ laminis varie de- chalky, erect plates, or la- 

 cujfantibus. minae, which crofs one an- 



other, and unite differently 

 here and there. 



Tab. 23. Fig. 9. 



This has been fuppofed to be a variety of the follow- 

 ing ; but the fingularity of its growth obliges me to make 

 them two diftind fpecies. This was found on the coaft 

 of Portugal, where it grows in large mafTes of five and fix 

 inches diameter. 



4. Millepora lichenoides. Liverwort Millepore. TAB.23. 



Fig. 



Millepora laminis te~ This Millepore has {lender I0_ 12 * 



nuibusfemicircularibusho- femicircular plates, or laminse, 

 rizontalitcr folio/a. that grow horizontally. 



Tab. 23. Fig. 10 — 12. 



This moft delicate Millepore is of various colors, as 

 red, purplifli, yellow and whitifh. It is found adhering 

 to and covering the Coralline of the Shops, on the coaft 



S 2 of 



