CHELONIA, FLESIOSAURIA. llejpt. 7 
Geoemyda impressa , sp. n., Gunther, P. Z. S. 1882, p. 343, -woodcuts, 
Siam. 
Clemmys caspica (Gmel.). Extensive remarks on this species, which is 
divided into 2 sub-species, viz., orientalis (the typical form), and sigriz , 
Bp. ; Bedriaga, Bull. Mosc. lvi. pp. 335-342, woodcuts. 
Bacna arenosa , Leidy (foss.), carapace figured by Cope, l. c. p. 990. 
Chelys fimbriata (Schneid.). Notes on, and figure of, a specimen 
living in the Zoological Gardens of London ; Gunther, Tr. Z. S. xi. 
p. 215, pi. 42. Also remarks on the cervical vertebrae, which are figured. 
Tropidemys morinica, sp. n. (foss.), Sauvage, l. c. p. 536, pi. xx. 
figs. 1-3. 
Cycloderma frenalum , Ptrs. Described and figured by Peters, l. c. 
p. 14, pis. i.-iii.A. 
Trionyx. R. Hoerues has remarks upon TVmm/tf-remains from the 
fresh- water deposits of Trifail, in Southern Styria ; Verh. geol. Reich- 
sanst. 1882, pp. 39 & 40. 
Trionyx scutum-antiquum , Cope (foss.). Carapace figured by Cope, l. c. 
p. 988. 
Notochelys , g. n. (foss.), distinguished from Chelone by the hyosternal 
and hyposternal bones having completely coalesced, as in Trionyx and 
Chelys ; Owen, J. G. Soc. xxxviii. p. 178, woodcuts. N. costata , sp. n., 
id. ibid., Flinders River, Queensland, bed unknown. 
PLESIOSAURI A. 
Kipijanoff, W. Studien fiber die fossilen Rcptilien Russlands. 
it. Theil : Gattung Plesiosaurus , Conyb. Mem. Petersb. (7) xxx. No. 6, 
55 pp. 19 pis. 
Of the following species descriptions are given : — Plesiosaurus bernardi , 
Owen, p. 5, pis. i. ii. ., figs. 1-3, & xv. ; P. neocomiensis , Campiche, 
. 10, pis. iii. fig. 4, iv., v. figs. 3, 4, vi. figs. 1-4, ix. fig. 3, xvi. & xix. 
figs. 1-3 ; P. helmerseni , sp. n., p. 17, pis. v. figs. 1-5, vi. fig. 5, vii. viii. 
figs. 1-3, ix. figs. 1-4, x.-xviii. ; P. planus , Owen, p. 32, pis. viii. figs. 4, 
5, & xix. figs. 4-7, all from the Sewer or Kursk Sandstone. 
H. E. Sauvage has notes on various Jurassic remains from Boulogne- 
sur-Mer. Bull. Soc. Geol. (3) viii. pp. 543-545. 
Pleiosaurus pachyomus, Ow., p. 24, latispinus , Ow., p. 25, and planus y 
Ow., p. 26 ; remarks on remains found in the Gault of N. E. France. 
Sauvage, Mem. Soc. Geol. (3) ii. art. iv. 
Polycotylus , Cope. On a fragment of humerus from the Gault of 
N. E. France ; Sauvage, l. c. p. 27. 
Polytychodon interruptus , Ow. ; teeth described and figured by Sauvage, 
l. c. p. 27, pi. xxx. figs. 9-11. 
Neusticosaurus , g. n., for Simosaurus pusillus, Fraas ; Seeley, J. G. Soc. 
xxxviii. p. 350. Two specimens of this highly interesting Reptile — a 
Plesiosaur rather terrestrial than marine, having affinities with the 
terrestrial Nothosauria and the marine Plesiosauria — are described and 
figured (pi. xiii.). 
