158 PISCES. 
Foss. (1855), pl. 1 B, f. 2, 2 a, p. 583. Old Red Sandstone ; 
Orkney. [Fish.] Presented by Rev. J. H. Pollexfen. 
Cheiracanthus pulverulentus, v. C. murchisoni. 
Cheirodus pes-rane, F. McCoy, A. M. N. H. ser. 2, 11 (1848), 
p. 131, and Contrib. Brit, Pal. (1854), p. 26, and Brit. Palzeoz. 
Foss. (1855), pl. 11 G, f. 9,9 ¢, p. 616, R. H. Traquanmy sae 
N. H. ser. 5, 1 (1878), p. 16. J. W. Davis, Trans. Roy. Dublin 
Soc. ser. 2, I (1883), pl. lxin, f 5, 5 a, p. 523. Carboniferous 
Limestone ; Derbyshire. [Splenial bone.] 
Chewrolepis curtus, v. C. trailli. 
C. macrocephalus, v. C. trailli. 
Cheirolepis trailli, Agassiz. C. curtus, F. McCoy, A. M. N. H. 
ser. 2, 11 (1848), p. 302, and Contrib. Brit. Pal. (1854), p. 34, 
and Brit. Palseoz. Foss. (1855), pl. ii D, f. 1, 1 a, b, p. 580. 
Old Red Sandstone; Lethenbar. [Fish.] 
C. macrocephalus, F. McCoy, A. M. N. H. ser. 2, 11 (1848), 
p- 303, and Contrib. Brit. Pal. (1854), p. 35, and Brit. Paleoz. 
Foss. (1855), pl. ii D, f. 3, 3a, p. 580. Old Red Sandstone ; 
Orkney. [Fish.] 
C. velox, F. McCoy, A. M. N. H. ser. 2, 1 (1848), p. 302, and 
Contrib. Brit. Pal. (1854), p. 34, and Brit. Palseoz. Foss. (1855), 
pl. uD, f 2,2 a, p. 581. Old Red Sandstone ; Orkney. [Fish.] 
C. velox, v. Cheirolepis trailli. 
Chomatodus clavatus, v. Janassa clavata. 
C. (Helodus) denticulatus, v. Venustodus denticulatus. 
C. obliquus, v. Helodus obliquus. 
C. truncatus, v. Janassa clavata. 
Cladodus levis, v. C. marginatus. 
Cladodus marginatus, Agassiz. Cladodus levis, F. McCoy, 
A. M. N. H. ser. 2, 11 (1848), p. 133, and Contrib. Brit. Pal. 
(1854), p. 28, and Brit. Palseoz. Foss. (1855), pl. mi K, f 5, 
p- 619. Carboniferous Limestone; Armagh. [Tooth.] 
Climazxodus imbricatus, v. Janassa imbricata. 
Coccoderma substriolatum (Huxley). Macropoma_ substrio- 
latum, 'T. H. Huxley, Organic Remains, dec. x1t (Mem. Geol. 
