38 BRITISH FOSSIL VERTEBRATA. 
COCCOSTEUS (continued)— 
? carbonarius, F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, 
p- 9; J. Morris, Cat. Brit. Foss. , 1854, p. 322. ? Oracanthus 
(J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), 
ae a nn Limest.; Armagh. [Dermal plate; Geol. Soc. 
London. ] 
cuspidatus, Agassiz. wv. Coccosteus decipiens. 
decipiens, L. Agassiz, Poiss. Foss. V. G. R. (1844), pp. 26, 137, 
ploe;. £25. gi pls. vii=x, pl. xxx 2.1905 J- Mame Cat. Brit. 
Foss., 1854, Pp. 302%. W..H. Baily, Figs. Charact. Brit. Foss., 
1875, pl. xxxiii, f. 3; R. H. Traquair, Geol. Mag. [3] vol. v, 
1888, p. 511, and zbid., vol. vi, 1889, p. 4, pl. 1, f. 2 
* Morris also admits as valid the undermentioned types, except C. Za¢us and 
C. millert, 
Trionyx, A. Sedgwick and R. I. Murchison, Trans. Geol. Soc. 
[2] vol. iii (1829), p. 144, pl. xvi, f. 6. 
Coccosteus latus, L. Agassiz, Rep. Brit. Assoc., 1842 (1843), 
p. 87 (name only); F. M‘Coy, Brit. Palzeoz. Foss. (1855), 
p. 602. 
Coccosteus, H. Miller (ex Agassiz, MS.), Old Red Sandst., 1841, 
pl. iii. 
Coctosteus oblongus, L. Agassiz, Poiss. Foss. V. G. R. (1844), 
p. 28, pl...xi, pl. xxx.@, £2; F. M‘Coy, Brit. Palesoz. Biases: 
(1855), p. 603. [Imperfect skeleton ; Brit. Mus.] 
Coccosteus cuspidatus, L. Agassiz, Poiss. Foss. V. G. R. (1844), 
pp. 28,:137, pl. xxxi, f. 4; P. Duff, Geol. Moray, 1842, p. Gas 
pl. viii, f. i. [Median dorsal plate ; Edinburgh Mus.] 
Coccosteus microspondylus, F. M‘Coy, Ann. Mag. Nat. Hist. [2] 
vol. ii, 1848, p. 298, and Brit. Paleeoz. Foss. (1855), p. 602, 
pl. ii c, f. 4. [Imperfect skeleton ; Woodwardian Mus.] 
Coccosteus ? trigonaspis, F. M‘Coy, zézd. (1848), p. 299, and 
Zoid. (1855), p. 603, pl. iic, f.6. [Imperfect skeleton ; Wood- 
wardian Mus.) 
Coccosteus pusillus, F. M‘Coy, tbtd. (1848), p. 298, and zézd. 
(1855), p. 603, pl. ii c, f. 5. [Imperfect skeleton ; Wood- 
wardian Mus. | 
Coccosteus milleri, P. M. G. Egerton, Quart. Journ. Geol. Soc., 
vol. xvi, 1860, p. 135. [Imperfect skeleton ; Edinburgh 
Mus. ] 
Brachydeirus millerit, A. von Koenen, Zeitschr. deutsch. geol. 
Ges., vol. xxxii, 1880, p. 675, and Abh. k. Ges. Wiss: 
Gottingen, vol. xxx, 1883, p. 20. 
Brachydetrus pusillus, A. von Koenen, 262d. (1883), p. 20. 
Loc. L. Old Red Sandst.; Banffshire, Nairnshire, Cromarty, 
Caithness, and Orkney. [Imperfect skeletons ; Brit. Mus.] 
latus, Agassiz. wv. Coccosteus decipiens. 
maximus, Agassiz. v. Asterolepis maximus. 
