46 SERTULARIA. 



moft accurately drawn at the fea fide at Brighthelmftone, 

 by my late worthy friend Mr. G, D. Ehret. 



15. Sertularia halecina. Herring-bone Coralline. 



Sertularia ramofa pin- This Coralline is alternately 



natci) ramulis alternis^ branched and pinnated ; the 



denticulis tubiformibus bi- denticles are formed like tubes 



articulatiS) ovariis ovali- with two joints : the ovaries 



bus, pedunculis later aliter are oval, each united along 



coadunatis. the fide to a little tubular 



ftalk. 



Herring-bone Coralline, Ellis Phil. Tranf. Vol. 48. 

 tab. 17. fig. E. F. G. Corallin. pag. 17. tab. 10. 



Sertularia halecina, Linn. Syft. Nat. Ed. 12. pag. 1308. 



This Coralline is particularly defcribed in my EfTay on 

 Corallines, and likewife in the Philofophical Tranfactions, 

 Vol. 48. tab. 17. in both which places it is reprefented 

 as it is alive in the fea. 



1 6. Sertularia pinnata. jfoi?ited Sea-brijlle Coralline. 



Sertularia fimplex pin- This Coralline has a fingle 



nata et articulata, pinnis pinnated fem ; the little 

 alternis arcuatis, denticulis branches are placed alternate- 

 femicampanulatis fecundis^ ly, and expand themfelves 

 ovariis ovatis. confertis ore like an arch on each fide : the 

 coronatis. denticles are on one fide, and 



half bell-fhaped : the ovaries 

 are oval, coming out in cluf- 

 ters along the ftem ; their 

 openings look like little 

 crowns. 



