66 BRITISH FOSSIE VERTEBRATA. 
DIPLACANTHUS striatus (continued)— 
‘Ichthyolite,’ H. Miller, O. R. Sandst., 1841, pl. viii, f. 2. 
Diplacanthus striatulus, L. Agassiz, Poiss. Foss. V. G. R. 
(1844), pp. 34, 42, pl. xiii, f. 3, 4; J. Morris, Cat. Brit. Foss., 
1854, p. 325. [Imperfect fishes ; Forres and Brit. Mus.] 
Diplocanthus crassistmus, P, Duff, Geol. Moray, 1842, p. 71, pl. x, 
£25 
Diplacanthus crassispinus, L. Agassiz, Poiss. Foss. V. G. R. 
(1844), pp. 34, 43, pl. xiii, f. 1, 2, pl. xiv, f. 6, 7; J. Morris, 
Cat-"Brit. Mossy, 1854, p...925; [Imperfect fishes ; Brit. 
Mus. (faz). 
Diplacanthus gibbus, ¥. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 
1848, p. 301, and Brit. Palzoz. Foss. (1855), p. 584, pl. ii B, 
f.43 3 Morris, Cat. Brit. Foss., 1854, p. 325. Fish ; Wood- 
wardian Mus.] 
Loc. L. Old Red Sandst.; Cromarty, Banffshire, Morayshire, 
Ross-shire, and Orkney Isles. [Imperfect fishes ; Edinburgh 
Mus. (fars).] T. 
DIPLACODWS, J. W. Davis, Quart. Journ. Geol. Soc., vol. xl, 
1884, p. 632; emend. A. S. Woodward, Cat. Foss. Fishes 
B. M., pt. i, 1889, p. 216. 
bulboides, J. W. Davis, Quart. Journ. Geol. Soc., vol. xl, 1884, 
p. 633, pl. xxvii, f. 20; A. S. Woodward, Cat. Foss. Fishes 
B..M., pt. 1, 1889, p. 216, pl vi, £., 27. 
Loc. Yoredale Rocks ; Wensleydale, Yorkshire. [Portion of 
tooth ; York Mus.] T. 
DIPLODUS, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 204. [A 
provisional generic name applied to the teeth of the Pleura- 
canthide. ] 
Ditropus, R. Owen, Trans. Odontol. Soc., vol. v, 1867, p. 325 
(pars). 
OCHLODUS, R. Owen, zdid., p. 346. 
AGANODUS, R. Owen, 2d7d@., p. 359. 
PTERNODUS,, R. Owen, 207d., p. 363. 
equilateralis, J. Ward, Trans. N. Staffs. Inst. Mining Engin., 
vol. x, 1889, p. 139, pl. ii, £2: 
Loc. Coal-Meas.; Longton. [Tooth ; J. Ward Coll.] 
gibbosus, E. W. Binney (ex Agassiz), Trans. Manchester Geol. 
Soc., vol. i, 1841, p. 169, pl. v, f. 17,18; L. Agassiz, Poiss. 
Foss., vol. iii (1843), p. 204, pl. xxii 4, ca (wom f. 2-5); 
W. C. Williamson, Phil. Trans., 1851, p. 680; J. Morris, 
Cat. Brit. Foss., 1854, p 325; A. Hancock and T. Atthey, | 
Nat. Hist. Trans. Renhucsts and Durham, vol. iii (1870), 
p. 111; J. Ward, Trans. N. Staffs. Inst. Mining Engin., 
vol. x, 1889, p. 138, pl. ii, f. 3; A. S. Woodward, Cat. Foss. 
Fishes B. M., pt.i, 1889, p. 10. [See also Diplodus tenuts.] 
