PISCES. 61 
DELTODUS sublewvis (continued)— 
Pecilodus jonesit, J. W. Davis (errore), tbid., p. 442, pl. liii, f. 22. 
[Tooth ; Brit. Mus.] 
Loc. L. Carb. Limest.; Armagh. [Teeth; Woodwardian Mus.] 
sp., Morris and Roberts. wv. Sandalodus morrisi. t. 
DELTOPTYCHIUS, J. Morris and G. E. Roberts (¢2 Agassiz, 
MS.), Quart. Journ. Geol. Soc., vol. xviii, 1862, p. loo (name 
only); J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), 
Pp. 432. 
acutus (M‘Coy), J. Morris and G. E. Roberts, Quart. Journ. 
Geol. Soc., vol. xviil, 1862, p. 100 (name only) ; J. W. Davis, 
Trans. Roy. Dublin Soc. [2] vol. i (1883), p. 433, pl. liii, 
f. 13-17 ; A. S. Woodward, Cat. Foss. Fishes B. M., pt. i, 
1889, p. 212. 
Cochliodus acutus, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 174 
(name only); J. Morris, Cat. Brit. Foss., 1854, p. 322; F. 
M ‘Coy, Brit. Palzeoz. Foss. (1855), p. 621, pl. iii 1, f. 24. 
Cochliodus compactus, R. Owen, Geol. Mag., vol. iv, 1867, pl. iv, 
f.1. [Tooth ; Woodwardian Mus.] 
Deltodus expansus, J. W. Davis (pars), Trans. Roy. Dublin Soc. 
[2] vol. 1 (1883), p. 431, pl. liil, f. 9, 10 (won f. 11). [Teeth; 
Brit. Mus. ] 
? Deltoptychius plicatus, J. W. Davis, Quart. Journ. Geol. Soc., 
vol. xl, 1884, p. 628, pl. xxvi, f. 13, 14, and Geol. Mag. [3] 
vol. iii, 1886, p. 152. [Teeth ; York Mus.] 
Loc. L. Carb. Limest.; Armagh and Ayrshire. U. Carb 
Limest.; Yorkshire and Derbyshire. [Tooth; Woodwardian 
Mus. | T. 
gibberulus, J. Morris and G. E. Roberts (¢% Agassiz, MS.), 
Quart. Journ. Geol. Soc., vol. xviii, 1862, p. 100 (name only); 
J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), p. 435, 
pl. liii, f. 18, 19 ; A. S. Woodward, Cat. Foss. Fishes B. M., 
pt. i, 1889, p. 2144, pl. i, f. 21. 
Cochliodus contortus, L. Agassiz (errore), Poiss. Foss., vol. iii 
(1838), p. 115, pl. xiv, f. 21, 29-33 (Psammodus contortus on 
plate). [Teeth ; Bristol Mus.] 
Loc. L. Carb. Limest.; Wexford, Gloucestershire, Somerset- 
shire, and Shropshire. U. Carb. Limest.; Derbyshire. 
{Teeth ; Brit. Mus.] 
plicatus, Davis. v. Deltoptychius acutus. 
DENDRODWUS, R. Owen, Microscopic Journal, vol. i, 1841, p. 4, 
and Odontogr. (1845), p. 171; C. H. Pander, Saurodipt., 
| Dendrodont., etc., devon. Syst., 1860, p. 27; J. V. Rohon, 
| Mém. Acad. Imp. Sci. St. Pétersbourg 5] vol. xxxvi, no. 14 
| (1889) ; R. H. Traquair, Geol. Mag. [3] vol. vi, 1889, p. 490. 
LAMNODUS, L. Agassiz, Poiss. Foss. V. G. R. (1844), p. 83. 
