CHELONIA — PLESIOSAURIA. Rept. 7 
Cistudo heeri, sp. n. (foss.), Portis, l. c. p. 47, pis. xviii.-xx., Molasse of 
Vaud. 
Eniys laharpi , Piet. & Humb. (foss.), described and figured ; id. 1. c. 
p. 10, pis. i.-iii. 
Emys tuberculata , p. 19, pi. iv., lignitarum , p. 21, pis. v. & vi., fig. 1, 
renevieri , p. 24, pis. vii. & viii., and sulcata , p. 29, pis. ix.-xii., spp. nn. 
(foss.), id. 1. 1 \, Molasse of Yaud, Switzerland. 
Pleurosternon miocamum , sp. n. (foss.), id. 1. c. p. 34, pi. xiii., Molasse 
of Vaud. 
Polysternon, g. n. (foss.), near Pleurosternon , for Pleurosternon pro- 
vinciate, Matheron ; id. 1. c. p. 74. Carapace and plastron described and 
figured ; id. 1. c. p. 65, pis. xxviii. & xxix. 
Trionyx lorioli, p. 54, pis. xxi.-xxiii., rochettiana, p. 56, pis. xiv. & xv., 
and valdensis , p. 58, pis. xxvi. & xxvii., spp. nn. (foss.), id. 1. c., Molasse 
of Yaud. 
Thalassochelys corticata figured ; Leitfaden fur das Aquarium Neap, 
pi. xlvii. 
Sphargis coriacea. On its occurronco on tho Italian coast ; Do Botta, 
Atti 1st. Yenet. (7) i. p. 928. 
Sphargis rupeliensis , sp. n. (foss.), P. J. Yan Beneden, Bull. Ac. Belg. 
(3) vi. p. 665, pi., Rupelian clay of Belgium. 
AN OMODONTIA. 
E. D. Cope has notes on a pelvis and sacrum of a species of the group 
Diadectidce , from the Permian formation of Texas ; P. Am. Phil. Soc. 
xx. p. 448. 
On a tooth, referable to the same group, from the Permian of Illinois; 
id. P. Ac. Philad. 1883, p. 108. 
Empedias phascolinus, Cope. Note ; id. P. Am. Phil. Soc. xx. p. 635. 
Empedias fissus , sp. n., id. ibid., Permian of Texas. 
Chilonyx , g. n., near the Diadectidce and Bolosauridce , for C. rapidens, 
sp. n., id. 1. c. p. 631, and P. Ac. Philad. 1883, p. 69, Permian of Texas. 
PLESIOSAURIA. 
Kiprijanoff, W. Studien fiber die fossilen Reptilieu Russlands. 
hi. Theil : Gruppe Thaumatosauria, aus der Kreide-Formation 
und dem Moscauer Jura. Mem. Petersb. (7) xxxi. No. 6, 57 pp., 
21 pis. 
Under the name Thaumatosauria , the author proposes to group tho 
aberrant genera Pliosaurus, Ow., Polyptychodon, Ow.,and Thaumatosaurus , 
Mey. He describes and figures remains of Polyptychodon interruptus, 
Ow., p. 7, pis. i. figs. 1 & 2, ii. figs. 1-3, iii. figs. I & 2, iv. figs. 1-6, v. 
figs. 1-5, viii. figs. 1-4, ix. figs. 1 & 2, x., & xi. figs. 1 & 2, and Thauma- 
tosaurus mosquensis , sp. n., p. 27, pis. xi. figs. 4-9 & xii.-xv., from the 
J urassic of Moscow. 
