WT SiG 26S: 179 
RHIZODVUS (continued)— 
gracilis, F. M‘Coy. v. Rhizodus hibberti. 
granulatus (Agassiz), Salter. v. Rhizodopsis sauroides. 
hibberti (Agassiz and Hibbert), [-ii] R. Owen, Odontogr. (1841), 
p- 75, pl. xxxv, f. 2, pls. xxxvi, xxxvil; F. M‘Coy, Brit. Palzeoz. 
Foss. (1855), p. 612; J. Young, Trans. Geol. Soc. Glasgow, 
vol. ii (1865), p. 38 (exc. scales, which are probably 2. 
ornatus, R. H. Traquair, Proc. Roy. Soc. Edinb., vol. ix, 
1877, p. 659); R. H. Traquair, Ann. Mag. Nat. Hist. [4] 
vol. xv, 1875, p. 266, and 2d. [4] vol. xix, 1877, p. 303, and 
Proc. Roy. Soc. Edinb., vol. 1x, 1877, p. 658. [See also 
Archichthys portlocki and A. sulcidens.| 
iilegalichthys hibberti, L. Agassiz and S. Hibbert, Trans. Roy. 
Soc. Edinb., vol. xiii (1836), p. 202, pl. viii, f. 1, 2, pl. ix, f. 2, 
3, 9,10; W. Buckland, Geol. and Mineral. ed. 2, 1837, vol. ii, 
Pe 43, pl. xxvii, f 52. 
Lloloptychius hibberti (Agassiz), W. Buckland, zé¢d., 1837, vol. ii, 
p. 43, pl. xxvii, f. 9-11, 13, 14 (Holyptychus) ; L. Agassiz, 
Poiss. Foss., vol. ii, pt. ii (1843), p. 180 (name only); J. 
Morris, Cat. Brit. Foss., 1854, p. 329. 
Dhyllolepis tenuissimus, L. Agassiz, Poiss. Foss., vol. ii, pt. ii 
(1843), p. 180 (name only). [Scales.] 
KRhizodus gracilis, F. M‘Coy, Brit. Palzeoz. Foss. (1855), p. 611, 
pl. iG, f.17. [Dentary ; Woodwardian Mus.] 
Rhizodus, J. Young, Quart. Journ. Geol. Soc., vol. xxii, 1866, 
Pp. 597, woodcuts 4,5; T. Stock, Geol. Mag. [2] vol. viii, 
1881, p. 77, and Trans. Edinb. Geol. Soc., vol. iv, 1881, p. 38. 
Loc. Calcif. Sandst. and Carb. Limest.; Edinburgh. Possil 
Ironstone (Carb. Limest.) ; Airdrie and Glasgow. Redes- 
dale Ironstone; Scremerston, Northumberland. [Teeth ; 
olim S. Hibbert Coll.] T. 
lanceiformis (‘ Newberry’), J. W. Kirkby and T. Atthey, Trans. 
Tyneside Nat. Field Club, vol vi (1864), p. 234, pl. vi, f. 1-3. 
= Loxomma allmannt. [AMPHIBIA.] 
ornatus, R. H. Traquair, Proc. Roy. Soc. Edinb., vol. ix, 1877, 
p. 659. 
Khizodus, L. C. Miall, Quart. Journ. Geol. Soc., vol. xxxi, 1875, 
p. 624, woodcut. [See also RAzzodus hibberti.| 
Loc. Calcif. Sandst.; Burdiehouse and Pittenweem. M. Carb. 
Limest. (Blackband Ironstone); Gilmerton. [Various 
remains ; Edinburgh Mus. ] 
portlockii (Agassiz), Etheridge. v. Archichthys portlocki. 
striatus, R. Etheridge, Foss. Brit. Islands, pt. i, 1888, p. 341. 
=Holoptychius striatus, Ag. 
RHOMBOPTYCHTIUS, Young. v. Megalichthys. 
Sp., Youns. v7. Megalichthys rugosus. 
