1 42 BRITISH FOSSIL VERTEBRATA. 



FAXiJEOSPXNAX {continued)— 



sp., A. S. Woodward, Cat. Foss. Fishes B. M., pt. i, 1889, P- 325- 

 LOC. Rhsetic ; Holwell, near Frome, Somersetshire. [Teeth 

 and spines ; Bath Mus.] 



PALJEOTHRISSUM, De Blainville. v. Palasoniscus. 

 elegants, Sedgwick, v. Palasoniscus elegans. 

 inacrocephalum, Sedgwick, v. Palasoniscus comptus. 

 magnum, Sedgwick, v. Palasoniscus comptus. 



P AMP HB ACTUS, Agassiz. v. Bothriolepis. 



andersoni, Agassiz. v. Bothriolepis hydrophilus. 

 hydrophilus, Agassiz. v. Bothriolepis hydrophilus. 



PAREXUS. L. Agassiz, Poiss. Foss. V. G. R. (1845), P- 120; J- 

 Powrie, Quart. Journ. Geol. Soc, vol. xx, 1864, p. 423. 



falcatus, J. Powrie, Trans. Edinb. Geol. Soc, vol. i, 1870, p. 294, 



pi. xiii, f. 9. 

 LOC. L. Old Red Sandst. ; Forfar. [Imperfect fish ; J. Powrie 



Coll.] 

 incurvus, L. Agassiz, Poiss. Foss. V. G. R. (1845), p. 120, 



pi. xxxiii, f. 26, 27 ; J. Morris, Cat. Brit. Foss., 1854, p. 337 ; 



J. Powrie, Quart. Journ. Geol. Soc, vol. xx, 1864, p. 424, 



pi. xx, f. 1, and Trans. Edinb. Geol. Soc, vol. i (1870), 



p. 293, pi. xii, f. 8. 

 LOC. L. Old Red Sandst. ; Forfarshire. [Dorsal fin-spine ; 



Rossie Priory.] T.. 



PASSALODOX, Buckland. v. Edaphodon. 

 PELARGOKHYXCHUS, W. v. d. Marck. v. Dercetis. 

 PELECOPTEBUS, Cope. v. Protosphyrasna (fins of). 



PSRCA, Linnaeus, Syst. Nat., ed. 12, vol. i, 1766, p. 481. 



fluviatills, Linnaeus, ibid., p. 481 ; E. T. Newton, Vert. Forest 

 Bed (Mem. Geol. Surv., 1882), p. 120, pi. xviii, f. 1-8. 

 I.OC. Forest-Bed Series ; Norfolk. [Preoperculum, supra- 

 davicle, post-temporal, and scales j A. Savin Coll. and 

 Mus. Pract. Geol.] 



PEIiCOSTOMA, L. Agassiz, Rep. Brit. Assoc, 1844 (1845), p. 307 

 (name only). 

 august inn, L. Agassiz, ibid., p. 307 (name only). 



LOC. London Clay; Sheppey. [Imperfect head; Brit. Mus.] T. 



PEItlODUS, Agassiz. v. Pycnodus. 



koenigi, Agassiz. v. Pycnodus toliapicus. 



marginalis, L. Agassiz, Poiss. Foss., vol. i (1844), P- xm (name 

 only). Probably teeth of Mesodon from the English Oolite. 



