Part III. 
279 
Of Corah . 
BASTARD-CORAL. Alcyonium. So call'd, becaufe a 
Marine Production , often of a roundilh form, like the 
Neft of an Halcyon , and by fome phantaftick thought to 
be one of thofe Neds petrify’d. Hereof there are feven or 
eight forts here prcfcrv’d. As 
The Great, White, FISTULAR Alcyonium. Imperatus 
figures a Clutter of this under the ill Name of Fermi 
Marini Impetriti. (a) And Befler a fingle crooked Tube, w Lib. 24; 
with that of Exuvicz Serpent is in Lapidem converj.be 5 which ca P - 26 - 
is as bad. This is fuch an one, but more ftrait and fmooth, 
as thick as the upper end of a Tobacco-Pipe fialk. But with 
a much greater bore. 
The Middle white FISTULAR Alcyonium. AClufterof 
Coralline Tubesyn fome places,meeting in parcels 5 in others, 
divaricated, almoft as the Veflels do in Plants. Not equally 
thick at both ends; beneath, not exceeding the Quill of a 
Crow, at the top, as wide as that of a Goofe. Rough all 
along with annular wrinkles, almoft like the Hough of a 
SilkWorm , or a Serpent. Being hollow,’tis probable they 
ferve as the Matrices of fome Sea-Infeffs. 
The frnall white FISTULAR Alcyonium. By Imperatus 
(b) (whom Terzagi imitates (c)) called Vermicchiara Lib - 2 7- 
and Alcyonio Mile [to 5 a much better Name. A Clufter of“J sept, 
crooked Tubes , not thicker than a Packthread 3 and alfo Muf.c.13. 
wrinkled. n. 18, i ? . 
The Red FISTULAR Alcyonium. By Imperatus call’d 
Tubularia purpurea. By Bejler Alcyonium Mam Rubri. A 
Congeries of ftrait, and red Pipes, of a Coralline fubftance, 
about as thick as an Oaten ftraw, all ftanding parallel, as the 
Cells in a Honey-Comb : and divided into feveral Stories by 
tranfverfe Plates or Floors, at feveral diftances from a i to t 
an inch, or thereabout. 
The BRANCHED Alcyonium. ’Tis white, and of a 
Coralline fubftance, but fomewhat foft. The Branches fo- 
hd, and in fome places coalefcent. 
The KNOBED Alcyonium. Of a white and coralline 
fubftance, but fomewhat foft. Of fuch a Contexture, 
whereby it is every way , and pretty openly, pervious 
throughout; fomewhat anfwerable to that of a Sponge. 
Evenly tuberated all over the top and fides. 
Another, unequally tuberous, and of a little more open 
compages. The 
