136 BRITISH FOSSIL VERTEBRATA. 
OSTEOCLEPSS (continued)— 
majer, Agassiz. v. Osteolepis macrolepidotus. 
microlepidotus, Agassiz. wv. Osteolepis macrolepidotus. 
microlepidotus, C. H. Pander, Saurodipt., Dendrodont., etc., 
devon. Syst., 1860, p. 10 and fasszm, pl. i, f. 1-6, 8-10, pl. ii, 
f. 1, 3-5, 10-14. 
? Osteolepis microlepidotus, A. Valenciennes, Trans. Geol. Soc. 
[2] vol. iii (1828), p. 144. 
Loc. L.Old Red Sandst.; Caithness. [Fishes ; Imp. Acad- 
Sci. St. Petersburg. | 
OSTEOPLAX, F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, 
p. 6, and Proc. Camb. Phil. Soc., vol. i (1848), p. 65. 
erosa, [-us] F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, 
p. 6, and Brit. Palaoz. Foss. (1855), p. 613, pl. iii K, f. 12; 
[-us] J. Morris, Cat. Brit. Foss., 1854, p. 335. 
Loc. Carb.; Cultra, co. Down. [Dermal Plate ; Woodwardian 
Mus. ] TT. 
OSTEORHACHIS, P. M. G. Egerton, Figs. and Descript. Brit. 
Organic Remains, dec. xili (Mem. Geol. Surv., 1872), no. § 
(Osteorachis). 
macrocephala, [-us] P. M. G. Egerton, zdzd,, no. 5, pl. v. 
Loc. L. Lias; Lyme Regis. [Fish; Brit. Mus.] T. 
OSTINASPIS, Trautschold. wv. Petrodus. 
OSTRACACANTHUS, J. W. Davis, Rep. Brit. Assoc., 1879 
(1880), p. 343 (Ostracocanthus), and Quart. Journ. Geol. Soc., 
vol. xxxvi, 1880, p. 64. 
dilatatus, j. W. Davis, zézd., p. 343, and zézd., p. 64, woodcut 3. 
Loc. Cannel Coal; Tingley, Yorkshire. [Dermal Spine; J. W. 
Davis Coll.] T. 
OTODUS, Agassiz. v. Lamna. 
appendiculatus, Agassiz. v. Lamna appendiculata. 
crassus, Agassiz. Recorded (? evvore) by J. Morris, Cat. Brit. 
Foss., 1854, p. 335; see also amma sulcata. 
Janceolatus, Agassiz. v. Lamna obliqua. 
lanceolatmus, Dixon. v. Lamna macrota. 
macrotus, Agassiz. v. Lamna macrota. 
obliquius, Agassiz. v. Lamna obliqua. 
rvutoti, Winkler. wv. Odontaspis rutoti. 
semiplicatus, Agassiz. v. Lamna semiplicata. 
sulcatus, Geinitz. 7. Lamna sulcata. 
vineenti, Winkler. wv. Lamna vincenti. 
woodwardi, C. Hasse, Palzontographica, vol. xxxi (1884), p. 8, 
pl. ii, f. 13-15 (vertebra). [? Lamna appendiculata.] 
Loc. Cambridge Greensand. [Vertebra; Anat. Inst., Univ. of 
Breslau. ] 
