PISCES. 159 



POLYRHIZOOUS (continued)— 



colei, J. W. Davis, Trans. Roy. Dublin Soc [2] vol. i (1883), 

 p. 502, pi. lx, f. 9, 10, and Quart. Joum. Geol. Soc, vol. xl, 

 18S4, p. 622, pi. xxvii, f. 13 ; A. S. Woodward, Cat. Foss. 

 Fishes B. M., pt. i, 1889, p. 57. 

 LOC. L. Carb. Limest. ; Armagh. Yoreda!e Rocks ; Wensley- 

 dale, Yorkshire. [Tooth ; Brit. Mus.] 



constrictus, Davis, v. Polyrhizodus magnus. 



elong'atus, J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i 

 (1883), p. 503, pi. lx, f. 16 ; A. S. Woodward, Cat. Foss. 

 Fishes B. M., pt. i, 1889, p. 58. 

 LOC. L. Carb. Limest.; Armagh. [Tooth ; Brit. Mus.] 



magnus, F. M'Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, p. 126, 

 and Brit. Pakeoz. Foss. (1855), p. 641, pi. iii K, f. 6-8 ; A. S. 

 Woodward, Cat. Foss. Fishes B. M., pt i, 1889, p. 57. 

 Petalodus radicans, L. Agassiz, Poiss. Foss., vol. iii (1843), 

 pp. 174, 384 (name only). 



? Petalodus niarginalis, L. Agassiz, ibid., pp. 174, 384 (name 

 only). 



Polyrhizodus radicans, J. Morris, Cat. Brit. Foss., 1854, p. 340; 

 J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), 

 p. 500, pi. lx, f. 7, 8. 



Polyrhizodus constrictus, J. W. Davis, ibid., p, 506, pi. lx, f. 15. 

 [Tooth ; Brit. Mus.] 



? Petalodus rectus, L. Agassiz, Poiss. Foss., vol. iii (1843), PP- 

 174, 384 (name only) ; J. E. Portlock, Rep. Geol. London- 

 derry, 1843, p. 468, pi. xiv, f. 9 ; J. Morris, Cat. Brit. Foss., 

 1854, P- 337- 



LOC. L. Carb. Limest.; Armagh. [Tooth.] T. 



X>usiUus, M'Coy. v. Helodus pusillus. 

 radicans, Davis, v. Polyrhizodus magnus. 



sinuosus, J. W. Davis, Trans. Roy. Dublin Soc, [2] vol. i (1883), 

 p. 504, pi. lx, f. 11-13 ; A. S. Woodward, Cat. Foss. Fishes 

 B. M., pt. i, 1889, p. 58. 

 LOC. L. Carb. Limest.; Armagh. [Tooth ; Brit. Mus.] 



sp., A. S. Woodward, Cat. Foss. Fishes B. M., pt. i, 1889, p. 59. 

 LOC. Carb. Limest. ; Oreton, Shropshire. [Imperfect tooth ; 

 Brit. Mus., no. P. 227 a.] 



.POMOG-NATKtrS, F. Dixon, Geol. Sussex, 1850, p. 367; A. S. 

 Woodward, Proc. Geol. Assoc, vol. x (1888), p. 317. 

 Phylactocephalus, J. W. Davis, Trans. Roy. Dublin Soc. 

 [2] vol. iii (1887), p. 605. 



eupteryg-ius, F. Dixon, Geol. Sussex, 1850, p. 367, pi. xxxv, 

 f. 6, 7 ; J. Morris, Cat. Brit. Foss., 1854, p. 340; A. S. 

 Woodward, Proc. Geol. Assoc, vol. x (1888), p. 318. 



