ACTINOZOA. 27 
(1851), p. 17. H. A. Nicholson and R. Etheridge, jun., Mon. 
Sil. Foss. Girvan, I, fascic. 111 (1880), p. 253. May Hill Group ; 
Dalquharran, Ayrshire. 
Petraia wequisulcata, v. Streptelasma zequisulcatum. 
Petraia celtica (Lamouroux), W. Lonsdale, Trans. Geol. Soc. 
ser. 2, V (1840), pl. Ixviii, £6. Devonian ; Padstow. 
P.? gigas, F. McCoy, A. M. N. H. ser. 2, 1 (1849), p. 1, and Contrib. 
Brit. Pal. (1854), p. 69, and Brit. Palzoz. Foss. (1851), p. 74, 
woodcuts c—e on p. 66. Cyathophyllum bucklandi, H. M. 
Edwards and J. Haime, Arch. Mus. Hist. Nat. v (1851), p. 390, 
and Brit. Foss. Corals (1853), p. 226. Devonian; New Quay, 
Cornwall. 
P. subduplicata, v. Lindstrémia subduplicata. 
P. uniserialis, vy. Lindstromia uniserialis. 
Phillipsastrea radiata (S. Woodward), H. M. Edwards and 
J. Haime, Brit. Foss. Corals (1852), pl. xxxvu, f. 2, 2 a, p. 203. 
R. Schafer, G. M. dec. 3, vi (1889), p. 401, woodcuts 1—3. 
Sarcinula phillipst, F. McCoy, A. M. N. H. ser. 2, mt (1849), 
p. 125, and Contrib. Brit. Pal. (1854), p. 94, and Brit. Palseoz. 
Foss. (1851), p. 110. Sarcinula placenta, F. McCoy, A. M.N. 
H. ser. 2, 11 (1849), p. 124, and Contrib. Brit. Pal. (1854), 
p. 93, and Brit. Paleoz. Foss. (1851), pl. 11 B, f. 9, 9 a, 6, p. 110. 
Carboniferous Limestone ; Corwen and Derbyshire. 
P. tuberosa (McCoy), H. M. Edwards and J. Haime, Arch. 
Mus. Hist. Nat. v (1851), p. 449, and Brit. Foss. Corals (1852), 
p- 204. R. Schafer, G. M. dec. 3, v1 (1889), p. 407, woodcuts 
4—6. Sarcinula tuberosa, F. McCoy, A. M. N. H. ser. 2, 111 
(1849), p. 124, and Contrib. Brit. Pal. (1854), p. 93, and Brit. 
Palzoz. Foss. (1851), pl. 1B, f. 8,8 a, p. 110. Carboniferous 
Limestone ; Derbyshire. 
Protoseris waltoni, H. M. Edwards and J. Haime, Brit. Foss, 
Corals (1851), pl. xx, p. 103.. Coral Rag ; Osmington. Walton 
Collection. 
Rhabdopora megastoma (McCoy), H. M. Edwards and J. 
Haime, Arch. Mus. Hist. Nat. v (1851), p. 405, and Brit. Foss. 
Corals (1852), p. 165. Dendropora megastoma, F. McCoy, 
