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PHYLLOCAEIDA. 135 



Ceratiocaiis ? peromata [Salter MS.], T. R. Jones and H. 

 Woodward, Rep. Brit. Assoc. (1885), p. 352, and G. M. dec. 3, 

 II (1885), p. 466, and Brit. Palseoz. Phyllop. (1888), p. 64. 

 Upper Ludlow ; Benson Knot, Kendal. 



C. robusta, Salter, T. R. Jones and H. Woodward, Rep. Brit. 

 Assoc. (1885), p. 349, and G. M. dec. 3, li (1885), p. 464, and 

 Rep. Brit. Assoc. (1886), p. 231, and G. M. dec. 3, in (1886), 

 p. 457, and Brit. Palaeoz. Phyllop. (1888), pi. xi, f. 8, 9, p. 44. 

 Pterygotiis leptodactylus, F. McCoy (pars), A. M. N. H. ser. 2, 

 IV (1849), p. 394, and Contrib. Brit. Pal. (1854), p. 140, and 

 Brit. Palaeoz. Foss. (1851), pi. i E, f. 7 c, d, p. 175. Lower 

 Liidlow ; Leintwardine. 



C. salteriana, T. R. Jones and H. Woodward, Rep. Brit. Assoc. 

 (1885), p. 348, and G. M. dec. 3, ii (1885), p. 462, and Brit. 

 Palseoz. Phyllop. (1888), pi. vii, f. 2, p. 55. Lower Ludlow; 

 Dudley. Fletcher Collection. 



C. solenoides, F. McCoy, A. M. N. H. ser. 2, iv (1849), p. 418, 

 and Contrib. Brit. Pal. (1854), p. 152, and Brit. Palaeoz. Foss. 

 (1851), pi. i E, f. 5, 5 a, p. 138. T. R. Jones and H. Woodward, 

 Rep. Brit. Assoc. (1885), p. 347, and G. M. dec. 3, ii (1885), 

 p. 461, and Brit. Pakeoz. Phyllop. (1888), pi. viii, f. 4 a, b, 5, 

 7 a, b, 10 a, b, 11 a — c, p. 52. Upper Ludlow ; Benson Knot, 

 Kendal. 



C. stygia, Salter, var., T. R. Jones and H. Woodward, Rep. 

 Brit. Assoc. (1886), p. 232, and G. M. dec. 3, iii (1886), p. 459. 

 T. R. Jones and H. Woodward, Brit. Palaeoz. Phyllop. (1888), 

 pi. X, f. 7 a, b, p. 41. C. stygia?, ibid. pi. xi, f. 1, p. 41. 

 Upper Liidlow ; Benson Knot, Kendal. 



Another specimen, T. R. Jones and H. Woodward, G. M. 

 dec. 3, II (1885), p. 395, and Rep. Brit. Assoc. (1885), p. 344, 

 and Brit. Palaeoz. Phyllop, (1888), p. 40. Denbiglishire Series ; 

 Dinas-bran, Llangollen. 



C. ? umbonatus, v. Cythere ? umbonata. 



C. ? sp. (C. latus ? or insperatus ?), T. R. Jones and H. Woodwai-d 

 Brit. Assoc. Rep. (1883), p. 220, and ibid. (1888), woodcut 10 

 p. 178. Lingula Flags ; Wern, Portmadoc. 



C. sp., T. R. Jones and H. Woodward, G. M. dec. 3, v (1888)^ 



