PISCES. 65 



©IDITIVEASFSS, E. R. Lankester, Geol. Mag., vol. iv, 1867, 

 p. 152. 

 grindrodi, E. R. Lankester, ibid., p. 153, pi. viii, f. 4-8, and 

 Fishes O. R. Sandst., pt. i (Pal. Soc, 1870), p. 59, pi. xiii, 

 f. 1, 2, and woodcut 33. 

 LOC. L. Old Red Sandst. (Passage Beds) ; Ledbury, Hereford- 

 shire. [Head-shield ; Oxford Mus.] T. 



DIJIYLEUS. J. W. Davis (ex Agassiz, MS.), Trans. Roy. Dublin 

 Soc. [2] vol i (1883), p. 478. [Genus non det.\ 



woodii, J. W. Davis (ex Agassiz, MS.), ibid., p. 478, pi. Iviii, 



f. 24. Indeterminable tooth (A. S. Woodward, Cat. Foss. 



Fishes B. M., pt. i, 1889, p. 99). 



LOC. U. Carb. Limest. ; Richmond, Yorkshire. [Tooth ; Brit. 



Mus.] T. 



niOnOXTOPSODUS, Davis, v. Pristodus. 



DIPIACAHTSTXTS, L. Agassiz, Poiss. Foss. V. G. R. (1844), 

 PP- 34, 4°- 

 Rhadinacanthus, R. H. Traquair, Geol. Mag. [3] vol. v, 1888, 

 p. 512. 



crassisjiimis, Agassiz. v. Diplacanthus striatus. 

 rrassissimas, Duff. v. Diplacanthus striatus. 



? curtus : Etcthacanthiis curtus, J. Powrie, Trans. Edinb. Geol. 

 Soc, vol. i (1870), p. 293, pi. xii, f. 7. 

 LOC. L. Old Red Sandst. ; Forfarshire. [Fish, wanting head ; 

 J. Powrie Coll.] 



ffiJtbus, M'Coy. v. Diplacanthus striatus. 

 gracilis, Egerton. v. Ischnacanthus gracilis. 



longrisplmis, L. Agassiz, Poiss. Foss. V. G. R. (1844), pp. 34, 42, 



pi. xiii, f. 5, pi. xiv, f. 8, 9 ; J. Morris, Cat. Brit. Foss., 1854, 



P- 325- 

 1 Ichthyolite,' H. Miller, O. R. Sandst., 1841, pi. viii, f. 1. 

 Difilacanthi/s perarmatus, F. M'Coy, Ann. Mag. Nat. Hist. [2] 



vol. ii, 1848, p. 301, and Brit. Palseoz. Foss. (1855), p. 585, 



pi. ii B, f. 3 ; J. Morris, Cat. Brit. Foss., 1854, p. 325. [Fish; 



Woodwardian Mus.] 

 Rhadiiiacarithiis longisfiimts, R. II. Traquair, Geol. Mag. [3] 



vol. v, 1888, p. 512. T. (Rhadi)iacanthus}) 



LOC. L. Old Red Sandst. ; Nairnshire, Cromarty, and Orkney 



Isles. [Fish ; Forres Mus.] 



2)crarmatxis, M'Coy. v. Diplacanthus longispinus. 



striatulns, Agassiz. v. Diplacanthus striatus. 



striatus, L. Agassiz, Poiss. Foss. V. G.R. (1844), pp. 34, 41, pi. xiv, 

 f. 1-5 ; J. Morris, Cat. Brit. Foss., 1854, p. 325 ; R H 

 Traquair, Geol. Mag. [3] vol. v, 1888, p. 512. 



