PLE3I03AUKIDJE. 247 



b. From the Cretaceous of North America. 

 Cimoliosaurus grandis, Leidy l . 



Syn. Brimosaurus grandis, Leidy-. 

 Polycotylus latipinnis, Cope 3 . 

 Elasmosaumis orientalis, Cope 4 . 

 Olir/osomus grandcevus, Leidy 5 . 

 Plesiosaurus gido, Cope 6 . 

 Plesiosaurus lochwoodi, Cope 7 . 

 Uronautes cetiformis, Cope 8 . 

 Orophosaurus paaciporus, Cope 9 . 

 Pipjtomerus megaloporus, Cope 10 . 

 Piptomerus microporus. Cope n . 

 Piptomerus hexcujouus, Cope 12 . 

 Trinacromerum bentomanum, Cragin la . 



c. From the Cretaceous of Australia. 

 * Plesiosaurus macro&pondylus, M'Coy 14 . 

 * Plesiosaurus sutherlandi, M'Coy 15 . 



d. From the Cretaceous of New Zealand. 

 Plesiosaurus holmesi, Hector 1(i . 

 Plesiosaurus traversi, Hector 1T . 

 Plesiosaurus maclcayi, Hector l8 . 

 Mauisaurus latibrachialis, Hector 19 . 



e. From the Greensand of Russia. 

 Spondylosaurus fahrenJcohli, Fischer '°. 

 ^Plesiosaurus nordmanni, Eicliwald 21 . 



1 Proc. Ac. Nat. Sci. Philad. 1854, p. 72. — Brimosaurus. 2 Loc. cit. 



3 Trans. Amer. Phil. Soc. vol. xiv. art. 1, p. 36 (1870). * Ibid. p. 5."). 



5 Proc. Ac. Nat. Sci. Philad. 1872, p. 30.— See also Rep. U.S. Gcol. Sun-. 

 Terr. vol. i. p. 286 (1873). 



c Rep. U.S. Geol. Surv. Terr. vol. ii. p. 88 (1875). 



7 Quoted loc. cit. 



8 Proc. Ac. Nat. Sci. Philad. for 187G, p. 340 (1876). 



9 Amer. Nat. vol. xxi. p. 565 (1887). 



10 Ibid. p. 564. u Ihkl. p. 565. 12 Loo. eit. 



13 Amer. Geol. vol. ii. p. 405(1 



14 Daintree, Quart. Journ. Geol. Soc. vol. XXviii. p. 278 (1872). 



15 Loc. cit. 



,c Trans. N. Zealand Inst. vol. vi. p. 344 (1874). 



'" Loc. cit. ld Bid. p. 845. 1:i Rid. p. 350. 



20 Bull. Soc. Mosc. vol. xix. pt. iii. p. 103 (1346). 



21 Quoted by Whidborne in the Quart, Journ. Geol. Soc. vol. ixxrii , table 

 facing p. 480, with an Lncorreot reference. 



