PUSS LS; 107 
ISOCOLUM, P. M. G. Egerton, Figs. and Descript. Brit. Organic 
Remains, dec. xiii (Mem. Geol. Surv., 1872), no. 4. 
granulatum, P. M. G. Egerton, 767., no. 4, pl. iv. 
Loc. L. Lias; Lyme Regis. [Fish ; Brit. Mus.] 7. 
ISODIUS, Morris (ex M‘Coy). wv. Isodus. 
ISODUWS, F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, p. 3, 
and Proc. Camb. Phil. Soc., vol. i (1848), p. 65. 
leptognathus, F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 
1848, p.3; J. Morris, Cat. Brit. Foss., 1854, p. 331 (/sodtus). 
Loc. Carboniferous ; Draperstown, Moyheeland. [Jaw; o/m 
R. Griffith Coll.] T. 
JANASSA, G. von Miinster, Beitr. Petrefakt., pt. 1 (1839), p. 67. 
CLIMAxoDUS, F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 
1848, p. 128, and Proc. Camb. Phil. Soc., vol. i (1848), p. 66. 
bituminosa (Schlotheim), G. von Miinster, Beitr. Petrefakt., pt. 1 
(1839), p. 122; H. B. Geinitz, Dyas (1861), p. 24, pl. iv, 
f. 5, pl. v, f. 1-4; A. Hancock and R. Howse, Ann. Mag. 
Handb. Palzont., vol. ili (1887), p. 98, woodcut 110; A. S. 
Woodward, Cat. Foss. Fishes B. M., pt. i, 1889, p. 35. 
Trilobites bituminosus, E.. Schlotheim, Petrefaktenkunde (1820), 
p. 39, and 2dd., Nachtr., pt. ii (1823), pp. 39, 87, pl. xxii, f. 9. 
Loc. Marl-Slate; ,Durham. [Devntrtion; Brit. Mus. and 
Newcastle-upon-Tyne Mus.| T. 
clavata (M‘Coy), A. S. Woodward, Cat. Foss. Fishes B. M., 
pt. i, 1889, p. 37, pl. i, f. 3. 
Chomatodus clavatus, F. M‘Coy, Brit. Palezoz. Foss. (1855), 
p- 617, pl. iii K, f. 10. 
Chomatodus truncatus, L. Agassiz, Poiss. Foss., vol. iii (1843), 
p- 174 (name only); F. M‘Coy, Brit. Palaeoz. Foss. (1855), 
. 618, pl. iti 1, f. 15 J. Morris, Cat. Brit. Foss., 1854, p. 321. 
Tooth ; Woodwardian Mus. ] 
Petalorhynchus psittacinus, J. W. Davis (errore), Trans. Roy. 
Dublin Soc. [2] vol.i (1883), p. 518 (favs). [Teeth; Brit. Mus.] 
Loc. Carb. Limest.; England, Scotland, and Ireland. [Tooth ; 
Woodwardian Mus. | 
imbricata (M‘Coy), A. Hancock and R. Howse, Nat. Hist. Trans. 
Northumb. and Durham, vol. iii (1870), p. 338 ; A. S. Wood- 
ward, Cat. Foss. Fishes B. M., pt. i, 1889, p. 38, pl. i, f. 1, 2. 
Climaxodus imbricatus, F. M‘Coy, Ann. Mag. Nat. Hist. [2] 
vol. ii, 1848, p. 129, and Brit. Palaeoz. Foss. (1855), p. 620, 
pl. iii G, f. 5; J. Morris, Cat. Brit. Foss., 1854, p. 322. 
T. (Climaxodus.) 
Loc. U. Carb. Limest.; South Derbyshire. [Tooth ; Wood- 
wardian Mus.] 
