ACTINOZOA. 21 



f. 11, 11 a, p. 36. H. M. Edwards and J. Haime, Brit. Foss. 

 Corals (1854), p. 279. Lower ? Ludlow ; Underbarrow. 

 Lindstromia subduplicata (McCoy). Petraia subduplicata, F. 

 McCoy, A. M. N. H. ser. 2, vi (1850), p. 279, and Contrib. 

 Brit. Pal. (1854), p. 165, and Brit. Palseoz. Foss. (1851), pi. i B, 

 f. 26, 26 a, p. 40. May Hill Group ; Dalquharran, Ayrshire. 



L. subduplicata var. crenulata [Petraia, McCoy], F. McCoy, A. 

 M. N. H. ser. 2, vi (1850), p. 280, and Contrib. Brit. Pal. 

 (1854), p. 165, and Brit. Palseoz. Foss. (1851), pi. i B, f. 26 b, 

 p. 41. May Hill Group ; Dalquharran. 



IM. uniserialis (McCoy). Petraia uniserialis, F. McCoy, A. M. 

 N. H. ser. 2, vi (1850), p. 280, and Contrib. Brit. Pal. (1854), 

 p. 165, and Brit. Palaeoz. Foss. (1851), pi. i B, f. 25, 25 a, p. 41. 

 Upper Bala; Llansaintffraid. 



L. uniserialis var. gracilis [Petraia, McCoy], F. McCoy, A. M, 

 N. H. ser. 2, vi (1850), p. 281, and Contrib. Brit. Pal. (1854), 

 p. 166, and Brit. Paleeoz. Foss. (1851), p. 41. Upper Bala; 

 Llansaintffraid, etc. 



Lithostrotion arachnoideum (McCoy), H. M. Edwards and 

 J. Haims, Brit. Foss. Corals (1852), p. 202. Nemaphyllum 

 arachnoideum, F. McCoy, A. M. N. H. ser. 2, in (1849), p. 16, 

 and Contrib. Brit. Pal. (1854), p. 84. and (NematophyUum) 

 Brit. Palseoz. Foss. (1851), pi. iii A, f. 6, 6 a, b, p. 97. Stylaxis 

 arachnoidea, H. M. Edwards and J. Haime, Arch. Mus. Hist. 

 Nat. v (1851), p. 454. Carboniferous Limestone; Derbyshire. 



L. basaltiforme (Con}'beare and Phillips). Nemaphyllum 

 minus, F. McCoy, A. M. N. H. ser. 2, m (1849), p. 17, and 

 Contrib. Brit. Pal. (1854), p. 85, and (NematophyUum) Brit. 

 Palaeoz. Foss. (1851), pi. iii B, f. 3, 3 a, b, p. 99. Carboniferous 

 Limestone; Kendal. 



L. decipiens (McCoy), H. M. Edwards and J. Haime, Arch. 

 Mus. Hist. Nat. V (1851), p. 441, and Brit. Foss. Corals (1852), 

 p. 196. Nemaphyllum decipiens, F. McCoy, A. M. N. H. 

 ser. 2, in (1849), p. 18, and Contrib. Brit. Pal. (1854), p. 86, 

 and (NematophyUum) Brit. Palseoz. Foss. (1851), p. 99. Car- 

 boniferous Limestone; Derbyshire. 



I*.? derbiense, Edwards and Haime. Stylastrwa irregularis, 



