18 BRITISH FOSSIL VERTEBRATA. 
BOTHRIOLEPTS, E. von Eichwald, Bull. Sci. St. Pétersbourg, 
vol. vii (1840), p. 79. 
GLYPTOSTEUS, L. Agassiz, Poiss. Foss., vol. i (1844), p. xxxiv 
(name only). 
PAMPHRACTUS, L. Agassiz, Poiss. Foss. V. G. R. (1844), p. 20. 
HOMOTHORAX, L. Agassiz, zdid., p. 134. 
PLACOTHORAX, L. Agassiz, zd7d., p. 134. 
favosus, Agassiz. v. Cricodus favosus. 
giganteus, R. H. Traquair, Geol. Mag. [3] vol. v, 1888, p. 510. 
Glypiosteus reticulatus, L. Agassiz, Poiss. Foss., vol. i (1844), 
p. xxxiv (Jars, name only). 
Bothriolepis ornatus, L. Agassiz (pars, non Eichwald), Poiss. 
Foss. V. G. R. (1845), p. 99, pl. xxix, f. 3-5 ; J. Morris, Cat. 
Brit. Foss., 1854, p. 319. 
Loc. U. Old Red Sandst.; Alves, Elgin. [Dermal plates; 
Brit. Mus.] 
hydrophilus (Agassiz), R. H. Traquair, Geol. Mag. [3] vol. v, 
1888, p. 510, and Ann. Mag. Nat. Hist. [6] vol. ii, 1888, 
p- 510. 
Pamphractus hydrophiius, L. Agassiz, Poiss. Foss. V. G. R. 
(1844), p. 21, pl. iv, f. 4-7. 
Pamphractus andersoni, L. Agassiz, tbid., p. 21 ; J. Morris, Cat. 
Brit. Foss., 1854, p. 3373; J. Anderson, Dura Den, 1859, pp. 
49, 52, pl. i, f. 1. 
Homothorax fiemingii, L. Agassiz, Poiss. Foss. V. G. R. (1844), 
p. 134, pl. xxxi, f. 6; J. Morris, Cat. Brit. Foss., 1854, p. 329. 
[Imperfect individual ; o/7#z Fleming Coll.] 
Pterichthys hydrophilus, H. Miller and P. M. G. Egerton, 
Quart. Journ. Geol. Soc., vol. iv, 1848, p. 314; J. Morris, Cat. 
Brit. Foss., 1854, p. 341; J. Anderson, Dura Den, 1859, pp. 
49, 52, pl. i, f. 1; J. Powrie, Quart. Journ. Geol. Soc., vol. 
xvill, 1862, p. 435. 
Loc. U. Old Red Sandst.; Dura Den, Fifeshire. [Imperfect 
individuals ; Mus. Pract. Geol.] 
macrocephalus (Egerton), R. H. Traquair, Geol. Mag. [3] 
vol. v, 1888, p. 510, and Ann. Mag. Nat. Hist. [6] vol. ii, 
1888, p. 501. 
Pterichthys macrocephalus, P. M. G. Egerton, Quart. Journ. 
Geol. Soc., vol. xviii, 1862, p. 103, woodcuts 1-3, pl. iil, 
f. 7-0. 
Loc. U. Old Red Sandst.; Farlow, Shropshire. [Imperfect 
individuals ; Brit. Mus.] 
major (Agassiz), J. Lahusen, Verhandl. russ.-kais. Mineral. 
Gesell. [2] vol. xv, 1880, p. 136; R. H. Traquair, Geol. 
Mag. 3h vol. v, 1888, p. 510, and Ann. Mag. Nat. Hist. [6] 
vol. ii, 1888, p. 501. 
