38 BRITISH FOSSIL VERTEBRATA. 



COCCOSTEUS {continued)— 

 ? carbonarins, 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), 



P- 525)- 

 LOC. L. Carb. Limest.; Armagh. [Dermal plate; Geol. Soc. 

 London.] 

 CUSpidatus, Agassiz. v. Coccosteus decipiens. 



decipiens, L. Agassiz, Poiss. Foss. V. G. R. (1844), pp. 26, 137, 

 pi. B, f. 2, 3, pis. vii-x, pi. xxx a, f. 19; J. Morris, Cat. Brit. 

 Foss., 1854, p. 322* ; W. H. Baily, Figs. Charact. Brit. Foss., 

 1875, pl- xxxiii, f. 3 ; R. H. Traquair, Geol. Mag. [3] vol. v, 

 1888, p. 5 r 1, and ibid., vol. vi, 1889, p. 4, pl. i, f. 2. 

 * Morris also admits as valid the undermentioned types, except C. Lilus and 

 C. milltri. 



Trionyx, A. Sedgwick and R. I. Murchison, Trans. Geol. Soc. 



[2] vol. iii (i829\ p. 144, pl. xvi, f. 6. 

 Coccosteus /a/us, L. Agassiz, Rep. Brit. Assoc, 1842 (1843), 



p. 87 (name only) ; F. M'Coy, Brit. Pateoz. Foss. (1855), 



p. 602. 

 Coccosteus, H. Miller (ex Agassiz, MS.), Old Red Sandst., 1841, 



pl. iii. 

 Coccosteus oblongus, L. Agassiz, Poiss. Foss. V. G. R. (1844), 



p. 28, pl. xi, pl. xxx a, f. 2 ; F. M'Coy, Brit. Palueoz. Foss. 



(1855), p. 603. [Imperfect skeleton ; Brit. Mus.] 

 Coccosteus cuspidatits, L. Agassiz, Poiss. Foss. V. G. R. (1844), 



pp. 28, 137, pl. xxxi, f . 4 ; P. Duff, Geol. Moray, 1842, p. 69, 



pl. viii, f. i. [Median dorsal plate ; Edinburgh Mus.] 

 Coccosteus microspomiyius, F. M'Coy, Ann. Mag. Nat. Hist. [2] 



vol. ii, 1848, p. 298, and Brit. Pakeoz. Foss. (1855), p. 602, 



pl. ii C, f. 4. [Imperfect skeleton ; Woodwardian Mus.] 

 Coccosteus ? trigonaspis, F. M'Coy, ibid. (1848), p. 299, and 



ibid. (1855), p. 603, pl. ii C, f. 6. [Imperfect skeleton ; Wood- 

 wardian Mus. 

 Coccosteus pusillus, F. M'Coy, ibid. (1848), p. 298, and ibid. 



(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, 1S60, p. 135. [Imperfect skeleton ; Edinburgh 



Mus.] 

 Brachydeirus milleri, A. von Koenen, Zeitschr. deutsch. geol. 



Ges., vol. xxxii, 1880, p. 675, and Abh. k. Ges. Wiss. 



Gdttingen, vol. xxx, 1883, p. 20. 

 Brachydeirus pusillus, A. von Koenen, ibid. (1883), p. 20. 

 LOC. L. Old Red Sandst.; Banffshire, Nairnshire, Cromarty, 



Caithness, and Orkney. [Imperfect skeletons ; Brit. Mus.] 



T. 

 lat its, Agassiz. v. Coccosteus decipiens. 



uia.ri mus. Agassiz. v. Asterolepis maximus. 



