EXPLANATION, k i 9: 



ig. 5. the top of it magnified. 

 Fig. 6. A piece of red Saunders (Lignum Santalum) from 



the Eaft Indies. 

 Fig. 7. the fame magnified, to fhew the utricular vef- 



fels interwoven with the longitudinal tubes. 

 Fig. 8. Fluftra foliacea, pag. 12. n. 2. a little magnified. 



Tab. 3. 



Fig. 1. Ifis Hippuris, pag. 105. n. 2. 



A. the bone covered with the flefh, full of the 

 cells from whence the polypes are extended. 



Fig. 2. a longitudinal feclion magnified, fhewing the 

 bone furrounded by the flefh, and the polypes 

 contracted in their cells. 



Fig. 3. the flefh feparated from the bone, to fhew the 

 tubes with the holes in them, that fupply the 

 bony part with increafe. 



Fig. 4. the crofs fedlion fhewing the white bone in the 

 center with the tubes furrounding it, and the 

 polypes in their cells on the margin : the in- 

 termediate flefh is full of organical parts, that 

 ferve to receive nourifhment from the mouths, 

 as well as to give them the power of extend- 

 ing their arms in fearch of it. 



Fig. 5.. one of the polypes contracted ; magnified. 



Fig. 6. Fluftra carbafea, pag. 14. n. 5. 



Fig. 7. the fame magnified. 



Tab. 4. 



Fig. a. Fluftra verticillata, pag. 15. n. 7. 



Fig. A. the fame highly magnified. 



Fig. b. Fluftra bombycina, pag. 14. n. 6. 



C c Fig. B. 



