2 4 o BRITISH FOSSIL VERTEBRATA. 



ZCHTKirOSAUZtUS piatyodon {continued)— 



Ichthyosaurus giganteus, Leach, quoted by R. Owen, Rep. Brit. 



Assoc, 1S39 (1840), p. 112. [Apparently MS. name.] 

 'Fossil remains,' E. Home, Phil. Trans., 1S14, p. 571, pis. 



xvii-xx. [Skull, etc. ; Brit. Mus.] 

 LOC. L. Lias ; Gloucester, Lyme Regis, Somersetshire, War- 

 wickshire, and Yorkshire. [Tooth ; Geol. Soc. London.] 



polyostinus, Hawkins. = I. chiropolyostinus. 

 stronfjylostiniis, Hawkins, v. Ichthyosaurus tenuirostris. 



tenuirostris, W. D. Conybeare, Trans. Geol. Soc. [2] vol. i, 

 pt. i (1822), p. 108, pi. xv, f. 10; W. Buckland, Geol. and 

 Mineral., ed. 2, 1837, p. 170, pi. ix ; R. Owen, Rep. Brit. 

 Assoc, 1839 (1840), p. 117, and Odontography (1841), p. 277, 

 pi. lxxiii, f. 5, and Rept. Liassic Form., pt. iii (Pal. Soc, 

 1881), p. 122, pi. xxiv, f. 8, pi. xxv, f. 3, pi. xxxii, f. 1-3, 5, 6 ; 

 J. Morris, Cat. Brit. Foss., 1854, p. 349 ; J. F. Blake, in 

 Tate and Blake, Yorkshire Lias, 1876, p. 254 ; R. Lydekker, 

 Cat. Foss. Rept. B. M., pt. ii, 1889, p. 83, woodcuts 25, 26. 



Ichthyosaurus grandipcs, D. Sharpe, Proc Geol. Soc, vol. i 

 (1830), p. 222. [Imperfect skeleton.] 



Ichthyosaurus chirostrongulostinus, T. Hawkins, Mem. Ichthyo- 

 sauri, 1834, pi. xvi, and Sea Dragons, 1S40, pis. xiii, xvi. 

 [Skull and portions of skeleton ; Brit. Mus.] 



Ichthyosaurus strongytostin us, T. Hawkins, Sea Dragons, 1840, 

 pis. xii, xv, and Mem. Ichthyosauri, 1834, pi. xv. [Imperfect 

 skeletons ; Brit. Mus.] 



LOC. L. Lias ; Barrow-on-Soar, Bristol, Glastonbury, Keinton, 

 Keynsham, Lyme Regis, Stratford -on -Avon, Street, and 

 Tewkesbury. U. Lias ; Whitby. [Tooth ; Geol. Soc. London.] 



thyreospondylus, R.Owen, Rep. Brit. Assoc, 1839(1840"), p. 124; 

 J. Morris, Cat. Brit. Foss., 1854, p. 350; ? J. Phillips, Geol. Ox- 

 ford, 1 87 1, pp. 307, 337, woodcuts cxxix-cxxxi ; ? R. Lydekker, 

 Cat. Foss. Rept. B. M., pt. ii, 1889, p. 34. 



? Ichthyosaurus brachvspondylus, R. Owen, Rept. Liassic Form., 

 pt. iii (Pal. Soc, 1881), p. 127, pi. xxxiii, f. 3-6. [Vertebrae.] 



LOC. Unknown. [Vertebrae ; Bristol Mus.] [? Oxford Clay; 

 Buckingham and Whittlesea. Kim. Clay ; Devizes, Xune- 

 ham, Portland, Shotover, Weymouth, Wheatley, andWinslow. 

 (Vertebrae ; Oxford Mus. and Brit. Mus.)] 



trig'onodon, C. Theodori, Gelehrte Anz. k. bay. Akad. Wiss., vol. 

 xvi, 1843, p. 906 ; R. Lydekker, Cat. Foss. Rept. B. M., pt. ii, 

 1889, p. 105. 

 ? Ichthyosaurus crassimanus, R. Owen, Rep. Yorksh. Phil. Soc, 

 1858, p. 9, footnote (name only) ; J. Phillips, Geol. York- 

 shire, ed. 3, 1875, P- 2 7 2 (name only) ; J. F. Blake, in Tate 

 and Blake, Yorkshire Lias, 1876, p. 253, pi. i, f. 9. [Skeleton ; 

 York Mus.] 

 LOC. U. Lias ; Kingsthorpe and Lofthouse. [Portions of head ; 

 Brit. Mus.] 



