PHYLLOCAEIDA. 135 



Ceratiocaris ? perornata [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, n (1885), p. 464, and 

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

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

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

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

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

 Ludlow ; Leintwardine. 



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

 (1885), p. 348, and G. M. dec. 3, n (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. 413, 

 and Contrib. Brit. Pal. (1854), p. 152, and Brit. Palseoz. 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, n (1885), 

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

 7 a, b, 10 a, 6, 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, in (1886), p. 459. 

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

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

 Upper Ludlow ; 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. Palseoz. Phyllop. (1888), p. 40. Denbighshire Series; 

 Dinas-bran, Llangollen. 



G. ? umbonatus, v. Cythere ? umbonata. 



C. ? sp. (C. latus ? or insperatus ?), T. R. Jones and H. Woodward 

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

 p. 178. Ling ula Flags ; Wern, Portmadoc. 



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



