Plagiaulax, Stereoguatlras. Meniscoessus. 1255 



7176.-rBecklesii. Falc. Quart.Joum.Geol.Soc, f Jurass. super. 



1857: Owen, Mon.Pal.Soc, 1871. p. 75. I. Britannia. 



pl. 4, iig. 10. 11; Osborn. Journ. Acad. 

 Phil., 1888. p. 215. 



7177.iFalconeri. Owen. Mon. Pal. Soc, p. 84, f Jurass. super. 



pl. 4. fig. 16. I. Britannia. 



7178. imedius. Owen. Monog. Pal. Soc, 1871. fJurass. super. 

 p. 85. iig. (in texto) 7, p. 86; fig. 12, p. 90. I. Britannia. 



7179. iDawsoni. Woodward, Proc Zool. Soc, f Cretac 



1891. p. 585. I. Britannia. 



1564. t Stereognatlms, Charlesworth, 1854. 



7180. Toolithicus. Charlesw.. Report Brit. Assoc, fJurass. (Oolith.), 

 1854. p. 80; Owen, Mouog. Pal. Soc, I. Britannia. 

 1871, p. 18, pl. 1. iig. 27—30; Osborn, 



Journ. Acad. Phil., 1888, p. 221. 



1565. •;- Meniscoessus, Cope, 1882; 1884. 



Dipriodon, Tripriodon, Selenacodon, Halodon, Marsh, 1889 — 92. 



7181.-;-conquistus. Cope, Amer. Nat., 1882, fCretac 



p. 830; 1884, p. 693, fig, 7; Osborn, America sept. 



Jonrn.Acad.Phil., 1888. p. 217. fig. 9; 

 Proc. Acad. Phil., 1891, p. 7, fig. 6; 1893, 

 p. 317. pl. 7. fig. 7—9. 



robustus, Marsh, Amer. Journ. Sc, 1889 » 



pl. 2. 5. 7 (Dipriodon). 



atus, Marsh, 1. c. 1889. pl. 2, 3; » 



L892, pL 5, fig. 3 (Tripriodon). 



caperatus, Marsh, 1. c, 1889, pl. 3; » 



1892, pl. 5. fig. 2 HTipriod.). 



fragilis et brevis, Marsh, 1. c, 1889, » 



pl. 2. 7. 8 (Seleuacodon). 



sculptvs, Marsh, 1. c. 1889. pl. 3; 1892, » 



pl. 5 (Halodon). 



7182. f lunatus. Marsh, Amer. Journ. Sc, 1889, fCretac 



p. 85. pl.2, fig. 16— 18; pl. 5, fig. 7, 8; America sept. 



1892. pl. 5. tig. 6. 7; pL 6, fig. 1; Osborn, 

 Proc. Acad. Philad., 1891, p. 5. 



