68 BRITISH FOSSIL VERTEBRATA. 
DIPLOMYETUS, E. D. Cope, Bull. U.S. Geol. Surv. Territ., 
vol. iii, 1877, p. 808. 
vectensis (Newton), A. S. Woodward, Geol. Mag. [3] vol. vi, 
1889, p. 230. 
Clupea vectensis, E. T. Newton, Quart. Journ. Geol. Soc., 
vol. xlv, 1889, p. 112, pl. iv. 
Loc. Osborne Beds ; Isle of Wight. [Fishes ; G. W. Colenutt 
Coll., Ryde.] 
DIPLOPTERAY, M‘Coy.  v. Diplopterus. 
DIPLOPTERWUS, L. Agassiz, Poiss. Foss., vol. ii, pt. 1 (1835), 
p- 113; F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, 
p- 305, and Brit. Palzeoz. Foss. (1855), p. 586 (Diplopterax) ; 
P. M. G. Egerton, Ann. Mag. Nat. Hist. [2] vol. iii (1849), 
P- 53- 
GYROPTYCHIUS, F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 
1848, p. 308 (ars). 
affinis, Agassiz. v. Diplopterus agassizi. 
agassizi, T. S. Traill, Trans. Roy. Soc. Edinb., vol. xv (1841), 
p. 89 (D. agassis); F. M‘Coy, Brit. Palzeoz. Foss. (1855), 
p. 586 (Diplopterax) ; J. Morris, Cat. Brit. Foss., 1854, p. 325 ; 
R. H. Traquair, Geol. Mag. [3] vol. v, 1888, p. 516. 
Diplopterus macrocephalus, L. Agassiz, Poiss. Foss. V. G. R. 
(1844), p. 54, pls. xvi, xvii; J. Morris, Cat. Brit. Foss., 1854, 
p. 325. [Fish; Brit. Mus. and Forres Mus.] 
Diplopterus affints, L. Agassiz, Poiss. Foss. V. G. R. (1844), 
p- 55; .J- Morris, Cat. Brit. Foss., 1854, p. 325; F. M‘Coy, 
Brit. Palzeoz. Foss. (1855), p. 586 (Diplopterax). [Fish ; 
unknown. | 
Diplopterus borealis, L. Agassiz, Poiss. Foss. V. G. R. (1844), 
p. 55, pl. xvill ; C. H. Pander, Saurodipt., Dendrodont., etc., 
devon. Syst., 1860, p. 23, pl. iii, f. 23-27, pl. iv. [Fish; o/¢m 
Ts. rail Coll] 
Diplopterus gracilis, F. M‘Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 
1848, p. 305, and Brit. Palzeoz. Foss. (1855), p. 586, pi. iiC, 
f. 1 (Diplopterax) ; J. Morris, Cat. Brit. Foss., 1854, p. 325. 
[Fish; Woodwardian Mus.] 
Gyroptychius diplopteroides, F. M‘Coy, Ann. Mag. Nat. Hist. 
[2] vol. ii, 1848, p. 309, and Brit. Palzoz. Foss. (1855), 
p. 597, pl. iic, f. 3 ; J. Morris, Cat. Brit. Foss., 1854) p. 323: 
[Fish ; Woodwardian Mus.] 
Loc. L. Old Red Sandst.; Orkney, Nairnshire, and Banffshire. 
{Imperfect fishes ; od¢# T. S. Traill Coll.] T. 
borealis, Agassiz. wv. Diplopterus agassizi. 
carbonarius, Agassiz. v. Megalichthys pygmzus. 
dalgleisiensis, Anderson. v. Glyptolamus kinnairdi. 
