EXPLANATION OF THE PLATES. 1038 
Fic. 8.—a, b, c. LirHopEnpRoN sunceum, Fleming, sp. 
Caryophyllia, Brit. Anim., p. 509. Lithodendron sexdecimale, Phil. Geol. 
Yorks, vol. ii., pl. ii., figs. 11-13. Lithostrotion junceum, Brit. Foss. 
Corals, p. 196, pl. xl., fig. 1. 
Original. a. Portion of a group, from Lower Limestone shale, Hook Head, 
Co. Wexford. Mus. G.S. I. 6. Calice, enlarged. c. Vertical section 
of portion of a corallite enlarged ; from Brit. Foss. Corals, pl. xl., fig. 1, 
a, 6. 
CaRBONIFEROUS LimEsTONE.—One of the most frequent of the Carbo- 
niferous corals, especially in the Lower Limestone shale; occurring in 
tufts or bunches at numerous localities in Britain and Ireland. 
Fic. 9.—LiTrHopEnpDRON AFFINE, /leming, sp. 
Caryophyllia, Brit. Anim., p. 509. Lithodendron longiconum, Phil. Geol, 
Yorks, vol. ii., pl. il, fig. 18. Lzthostrotion affine, Brit. Foss. Corals. 
p..200, pl. xxxix,, fig. 2. 
Original. Portion of a group. Carb. Limestone, Cookstown, Co. Tyrone. 
Mus. G. S. I. 
CARBONIFEROUS LimEsTONE.—A very frequent coral in Britain and Ireland, 
occurring in tufts or bunches of considerable diameter. 
