158 PISCES. 



Foss. (1855), pi. ii B, f. 2, 2 a, p. 583. Old Red Sandstone; 

 Orkney. [Fish.] Presented by Rev. J. H. Pollexfen. 



Cheiracanihus pulverulentus, v. C. murchisoni. 



Cheirodus pes-ranae, F. McCoy, A. M. N. H. ser. 2, n (1848), 

 p. 131, and Contrib. Brit. Pal. (1854), p. 26, and Brit. Palseoz. 

 Foss. (1855), pi. iii G, f. 9, 9 a, p. 616. R. H. Traquair, A. M. 

 N. H. ser. 5, II (1878), p. 16. J. W. Davis, Trans. Roy. Dublin 

 Soc. ser. 2, I (1883), pi. Ixiii, f. 5, 5 a, p. 523. Carboniferous 

 Limestone; Derbyshire. [Splenial bone.] 



Cheirolepis curtus, v. C. trailli. 

 C. macrocephalus, v. C. trailli. 



Cheirolepis trailli, Agassiz. C. curtus, F. McCoy, A. M. N. H. 



ser. 2, II (1848), p. 302, and Contrib. Brit. Pal. (1854), p. 34, 



and Brit. Palseoz. Foss. (1855), pi. ii D, f. 1, 1 a, b, p. 580. 



Old Red Sandstone; Lethenbar. [Fish.] 



C. macrocephalus, F. McCoy, A. M. N. H. ser. 2, n (1848), 



p. 303, and Contrib. Brit. Pal. (1854), p. 35, and Brit. Palseoz. 



Foss. (1855), pi. ii D, f. 3, 3 a, p. 580. Old Red Sandstone; 



Orkney. [Fish.] 



C. velox, F. McCoy, A. M. N. H. ser. 2, n (1848), p. 302, and 



Contrib. Brit. Pal. (1854), p. 34, and Brit. Palseoz. Foss. (1855), 



pi. ii D, f. 2, 2 a, p. 581. Old Red Sandstone; Orkney. [Fish.] 

 G. 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 Icevis, v. C. marginatus. 



Cladodus marginatus Agassiz. Cladodus Icevis, F. McCoy, 

 A. M. N. H. ser. 2, Ii (1848), p. 133, and Contrib. Brit. Pal. 

 (1854), p. 28, and Brit. Palseoz. Foss. (1855), pi. iii K, f. 5, 

 p. 619. Carboniferous Limestone ; Armagh. [Tooth.] 



Climaxodus imbricatus, v. Janassa imbricata. 



Coc co derma substriolatum (Huxley). Macropoma substrio- 

 latum, T. H. Huxley, Organic Remains, dec. xn (Mem. Geol. 



