REPTILIA. 231 



GONZOPKOLIS {continued)— 



tenuidens, R. Owen, Rept. Weald, and Purb. Form., Suppl. ix 

 (Pal. Soc, 1879), p. 2, pi. i, f. 1 ; R. Lydekker, Cat. Foss. 

 Rept. B. M., pt. i, 1888, p. 83. 

 LOC. M. Purbeck ; Durdlestone Bay. [Mandible ; Brit. Mus.] 

 sp., Phillips, v. Machimosaurus. 

 HADROSAURUS, Leidy. v. Trachodon. 



HETEROSUCHUS, H. G. Seeley, Quart. Journ. Geol. Soc, 

 vol. xliii, 1887, p. 212. [? Hylceoc7ia.}npsa.~\ 

 valdensis, H. G. Seeley, ibid., p. 212, pi. xii, f. 7, 8. 



LOC. Wealden ; Cuckfield and Hastings, Sussex, and Brook 

 Point, I. of Wight. [Vertebrae; Brit. Mus.] T. 



? sp.« H. G. Seeley, ibid., p. 215. Genus nondet., R. Lydekker, Cat. 



Foss. Rept. B. M., pt. i, 1888, p. 75. 

 'Lacertian vertebra,' G. A. Mantell, Phil. Trans., 1849, P- 3°3i 



pi. xxix, f. A, a'. 

 LOC. Wealden ; I. of Wight. [Vertebrae and limb-bones ; 



Brit. Mus., nos. 36524, R. 188.] M. Purbeck; Durdlestone 



Bay. [Cervical vertebra ; Brit. Mus., no 48244.] 



HEXATABSOSTINUS, T. Hawkins, Great Sea Dragons, 1840, 

 pi. xxviii. =Plesiosaurus (v. P. hawkinsi). 



Homopus comptoni (Bell), Lydekker. v. Emys comptoni. 



HOPLOSAUEUS, P. Gervais, Zool. et Pal. Franc., ed. I, 1848-52, 

 p. 263 (Oplosaurus) ; R. Lydekker, Quart. Journ. Geol. Soc, 

 vol. xlv, 1889, p. 396. [Non Hoplosaurus, Seeley, 1881.] 

 armatus, P. Gervais, Zool. et Pal. Franc., ed. 1, 1848-52, p. 263 

 {Oplosaurus) ; R. Lydekker, Quart. Journ. Geol. Soc, 

 vol. xlv, 1889, p. 396. [Doubtfully assigned to Omithopsis 

 hulkei'by R. Lydekker, ibid., vol. xliv, 1888, p. 54, pi. iii.] 



Cetiosaurus or Pelorosauros ?, R. Owen, Brit. Foss. Rept., vol. i, 

 1884, p. 422. 



'Tooth of unknown saurian,' T. Wright, Ann. Mag. Nat. Hist. 

 [2] vol. x, 1852, p. 90, woodcuts, and Proc. Cotteswold Nat. 

 Field Club, vol. i, 1853, p. 231, woodcuts. 



'Tooth of Carnivorous Reptile,' R. Owen, Rept. Weald, and 

 Purb. Form., Suppl. ii (Pal. Soc, 1859), p. 42. 



LOC. Wealden; Brixton Bay, I. of Wight. [Tooth; Brit. Mus.] T. 



Hydraspis planiceps, Fitzinger. v. Stegochelys planiceps. 



HYLiEOCHAMPSA, R. Owen, Rept. Weald, and Purb. Form., 

 Suppl. vi (Pal. Soc, 1874), p. 1 ; R. Lydekker, Geol. Mag. 

 [3] vol. iv, 1887, pp. 310, 512 ; L. Dollo, Geol. Mag. [3] vol. iv, 

 1887, p. 394- 

 vectianus, R. Owen, Rept. Weald, and Purb. Form., Suppl. vi 

 (Pal. Soc, 1874), p. 1, and ibid., Suppl. v, pi. ii, f. 23-25 ; 

 [-a] R. Lydekker, Cat. Foss. Rept. B. M., pt. i, 1888, p. 77. 

 LOC. Wealden; Brook, I. of Wight. [Cranium; Brit. Mus.] T. 



