RSGES /. - 25 
CEPHALASPIS (continued)— 
(Eucephalaspis) asper, E. R. Lankester, Fishes O. R. Sandst 
pt. i (Pal. Soc., 1870), p. 50, pl. x, f. 5, woodcut 23. 
Loc. L. Old Red Sandst. ; Perthshire and Forfarshire. [Portiom 
of head-shield and scales ; ; J. Powrie Coll.] 
asterolepis, Harley. v. Cephalaspis (Zenaspis) salweyi. 
lewisi, Agassiz. v. Scaphaspis lewisi. 
lightbodii, E. R. Lankester, Fishes O. R. Sandst., pt. i (Pal. 
Soc., 1870), p. 55, pl. xiii, f. 19. 
Loc. Ludlow Tilestones ; Herefordshire. [Inferior rim of head- 
shield ; Brit. Mus. ] 
lloydi, Agassiz. v. Scaphaspis lewisi. 
(Eucephalaspis) lyelli, [-ii] L. Agassiz, Po'ss. Foss., vol. ii, 
pt. 1(1835), p. 142, pl.ia, f. 2 (70m, pl. ia, f. 1, pl. 14, f. 1, 3)+ 
J. Morris, Cat. Brit. Foss., 1854, p. 320 ; [-1i] k. R. Lankester, 
Fishes O. R. Sandst., pt. i (Pal. Soc. , 1870), p- 43, pl. viii, f. 1, 
pl. xt, f..1, 2. [See also C. agassist and C. powritet.| 
BOG: L. Old Red Sandst. ; Glammis, Perthshire, and Arbroath, 
Forfarshire. [Fish ; Brit. Mus. | T. 
(Hemicyclaspis) murchisoni, P. M. G. Egerton, Quart. 
Joum:; Geol. -Sec., vol. xiii,, 1857, p.:284, .plix,; f. 13) E.R. 
Lankester, Fishes O R. Sandst., pt. 1 (Pal. Soc., 1870), p. 51, 
pl. viii, f. 6, pl. ix, f. 1, pl. xii, f. 3, 4, woodcuts 24, 25. 
Cephalaspis ornatus, P.M. G. Egerton, Quart. Journ. Geol. Soc., 
vol. x1, 1857, p. 285, pl. ix, t. 2, 3. [Imperfect head-shield ; 
Brit. Mus. ] 
Loc. Ludlow Tilestones and L. Old Red Sandst. Passage Beds ; 
Herefordshire. [Head-shield. } 
ornatus, Egerton. wv. Cephalaspis (Hemicyclaspis) murchisoni. 
(Eucephalaspis) pagei, E.R. Lankester, Fishes O. R. Sandst., 
Pint (Pal. Soc., 1870), p: 49; pl. ef 3; 4, pl. xi, f. 4, wood- 
Cuts. 21,23, 
Loc. L. Old Red Sandst.; Forfarshire. [Imperfect fishes ; 
J. Powrie Coll. | 
(Gucephalaspis) powrlei, E. R. Linkester, Fishes O. R. 
Sandst.. pt. 1 (Pal. Soc., 1870), p. 47, pl ix, £5, pl..x,,f 1, 
woodcuts 19, 20. 
? Cephalaspis lyeliti, L. Agassiz (pars), Poiss. Foss., vol. ii, 
pt. (1835), p. 142, pl. 1a, f.1, pl. 14, f.1. [Fish; Brit. Mus.] 
Loc. L. Old Red Sandst.; Ley’s Mill, near Arbroath, Forfar- 
shire, and Craig, near Montrose. [Fish; J. Powrie Coll.] 
rostratus, Agassiz. wv. Pteraspis ro-tratus. 
(Zenaspis) salweyi, |. M. G. E:erton, Quart. Journ. Geol. Soc., 
vol. xilil, 1857, p. 283, pl. x, t. 1; J. Harley, Quart..Journ. 
Geol. Soc., vol. xv, 1859, p. 504; E. R. Lankester, Fishes 
©. R., Sandst., pt. i (Pal..Soc., 1870), p. 52, pi. xii, f.:2, 5, 6, 
pl. viii, f. 2, 3, 4, woodcuts 26- 28. 
