Part III. 
Of Corah. 
279 
BASTARD-CORAL. Alcyonium. So call'd, becaufe a 
Marine Produ&ion , often or a roundiih form, like the 
Neft of an Halcyon, and by fome phantaftick thought to 
be one of thofe Nefts petrify d. Hereof there are feven or 
eight forts here preferv'd. As 
The Great, White, FISTULAR Alcyo?iium. Imperatus 
figures a Clufter of this under the ill Name of Fermi 
Marini Impetriti. (a) And Be flex a fingle crooked Tube, (a) Lib. 2 
with that of Exuviae Serpentis in Lapidem converfa • 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 (talk. But with 
a much greater bore. 
The Middle white FISTULAR Alcyonium. A Clufter of 
Coralline Tubesjn. fome places,meeting in parcels 3 in others, 
divaricated, almoft as the Veifels do in Plants. Not equally 
thick at both ends 3 beneath, not exceeding the Quill of a 
Crow 3 at the top, as wide as that of a Goofe. Rough all 
along with annular wrinkles, almoft like the flough of a 
SilkWorm, or a Serpent. Being hollow, 'tis probable they 
ferve as the Matrices of fome Sea-Infetls. 
The fmall white FISTULAR Alcyonium. By Imperatus 
(b) ( whom Terzagi imitates (c) ) called Fermicchiara 5 ^ ^ ib - 
and Alcyonio Milefw 5 a much better Name. A Clufter of Sept. 
crooked Tubes, not thicker than a Packthread 3 and alfo Muf ^ c - I 3- 
wrinkled. 
The Red FISTULAR Alcyonium. By Imperatm call'd 
Tubularia purpurea. By Bejler Alcyonium Maris Rubri. A 
Congeries of ftrait, and red Pipes, of a Coralline fubftance, 
about as thick as an Oaten ftraw, all (landing parallel, as the 
Cells in a Honey-Comb : and divided into feveral Stories by 
tranfverfe Plates or Floors, at feveral diftances from a * to • » 
an inchj or thereabout. 
The BRANCHED Alcyonium. 'Tis white , and of a 
Coralline fubftance, but fomewhat foft. The Branches fo - 
lid, 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 3 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 
