ki polygonalist Bunco; 
Pl« fig* 
1863* Ac tr or la p oly go nails , Duncan, Quart* Jour* Geol. Soc* 
London, Vol* XIX, p* 424, PI* XIV, fig* 6* 
1866* Astror ia polygonal! s » Duchassaing & Miolielotti, Sup* Cor all* 
Antilles, p. 83 {of reprint). 
1867. Astro ria polygonal! a » Duncan, Quart* Jour* Geol. Soc* 
London, Vol. XXIV, p* 24. 
1870. As t r o r i a p o ly g o n a 1 1 s , Duchassaing, Rev* Zooph. Antilles, 
p* 30* 
1902. Astro r la polygonal! s . Vaughan, Quart. Jour* Geol. Soc, 
London, Vol* LVII, p, 497* 
Original description: 
"'falls bearing a very small proportion to the size of the 
corallite (in transverse section)* Calices polygonal, varying 
in size; many form short series, but the simple corallite is in 
excess. Columella very rudimentary. Septa long, thin, alternately 
large and small; they are generally numerous, but in a small coral- 
