REPTILIA. 173 



Omithocheirus microdon, H. G. Seeley, Ornithosauria (lcS70), 

 pi. xii, f. 6, 7, p. 116. Cambridge Greensand; Camhndge. 

 [Premaxilla.] 



O. nasutus, H. G. Seeley, Ornithosauria (1870), p. 120. Camh-idge 

 Greensand ; Cambridge. [Fragment of premaxilla.] 



O. oweni, H. G. Seeley, Ornithosauria (1870), p. 115. Cambridge 

 Greensand ; Camhndge. [Premaxilla.] 



O. ox3n"liinus, H. G. Seeley, Ornithosauria (1870), p. 117. Cam- 

 bridge Greensand; Camhndge. [Premaxilla.] 



0. platyrhinus, H. G. Seeley, Index to Aves, etc., Woodw. Mus. 

 (1869), p. xvii. Camhridge Greensand; Camhridge. [Premaxilla.] 



O. platysomus, H. G. Seeley, Ornithosauria (1870), p. 120. 

 Camhridge Greensand; Camhridge. [Fragment of snout.] 



O. polyodon, H. G. Seeley, Ornithosauria (1870), p. 121. Cam- 

 hridge Greensand; Cambridge. [Premaxilla.] 



O. scaphorhynchus, H. G. Seeley, Ornithosauria (1870), p. 119. 

 Camhridge Greensand ; Camhridge. [Fragment of premaxilla.] 



O. sedgwicki (Owen), H. G. Seeley, Ornithosauria (1870), p. 112. 

 Pterodactylus sedgwicki*, R. Owen, Rep. Brit. Assoc. (1858), 

 p. 98, and Phil. Trans. CXLix, 1859 (1860), pi. x, f 1—5, 13, 

 14, 24—26, 28—31, 35, 36, p. 160, and Rept. Cret. Form. 

 Suppl. i (1859), pi. i, f 1, 2, 6—14, pis. ii— iv {pars), p. 2, and 

 ihid. Suppl. iii (1861), pi. iv, f 5 — 12. Colohorhynchus sedgmcki, 

 R. Owen, Rept. Mesoz. Form, part i (1874), p. 6. Camhndge 

 Greensand ; Camhridge. [Portions of jaws.] 



O. simus (Owen), H. G. Seeley, Index to Aves, etc., Woodw. 

 Mu.s. (1869), p. xvi {Pterodactylus, p. 6), and Ornithosauria 

 (1870), p. 127, and G. M. dec. 2, viii (1881), p. 15. Ptero- 

 dactylus simus*, R. Owen, Rept. Cret. Form. Suppl. iii (1861), 

 pis. i, ii, pi. iv, f 4, p. 2. Criorhynchiis simus, R. Owen, Rept. 

 Mesoz. Form, part i (1874), p. 6. [Mandibular symphysis.] 



1 Pterodactylus woodwardi, R. Owen, Rept. Cret. Fomi. 

 Suppl. iii (1861), pi. ii, f 3, p. 4. 1 Omithocheirus woodwardi, 

 H. G. Seeley, Ornithosauria (1870), p. 125. [Portion of jaw.] 

 Cambridge Greensand; Cambridge. 



* Some of the Dpecimenn figured by Owen are missing. 



