ACTINOZOA. oT 
f. 11, 11 a, p. 36. H. M. Edwards and J. Haime, Brit. Foss. 
Corals (1854), p. 279. Lower? Ludlow; Underbarrow. 
Lindstrémia 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), pl. 1B, 
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. Palsoz. Foss, (1851), pl. i B, f. 26 8, 
p. 41. May Hill Group ; Dalquharran. 
L. uniserialis (McCoy). Petraia wniserialis, F. McCoy, A. M. 
N. H. ser. 2, vi (1850), p. 280, and Contrib. Brit. Pal. (1854), 
p- 165, and Brit. Paleeoz. Foss. (1851), pl. 1B, f. 25, 25 a, p. 41. 
Upper Bala ; Llansaintffracd. 
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. Paleoz. Foss. (1851), p. 41. Upper Bala; 
Llansaintfracd, ete. 
Lithostrotion arachnoideum (McCoy), H. M. Edwards and 
J. Haime, Brit. Foss. Corals (1852), p. 202. Nemaphyllum 
arachnoidewm, F. McCoy, A. M. N. H. ser. 2, mr (1849), p. 16, 
and Contrib. Brit. Pal. (1854), p. 84. and (Nematophyllum) 
Brit. Paleeoz. Foss, (1851), pl. 11 A, f. 6, 6 a, b, p. 97. Stylaais 
arachnoidea, H. M. Edwards and J. Haime, Arch. Mus. Hist. 
Nat. v (1851), p. 454. Carboniferous Limestone ; Derbyshire. 
L. basaltiforme (Conybeare and Phillips). Nemaphyllum 
minus, F. McCoy, A. M. N. H. ser. 2, m1 (1849), p. 17, and 
Contrib. Brit. Pal. (1854), p. 85, and (Wematophyllum) Brit. 
Paleoz. Foss. (1851), pl. iii B, f. 3, 3 a, b, p. 99. Carboniferous 
LTimestone ; 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, 111 (1849), p. 18, and Contrib. Brit. Pal. (1854), p. 86, 
and (Nematophyllum) Brit. Paleeoz. Foss. (1851), p. 99. Car- 
boniferous Limestone; Derbyshire. 
L.? derbiense, Edwards and Haime. Stylastrwa wrregularis, 
