SCAPANORHYNCHUS. 



211 



specimens from the Chalk of Mount Lebanon (Text-figs. ()G, 67) exhibit most of 

 its principal characters ; but detached teeth alone have been discovered in the 

 English Chalk. Similar teeth occur in marine Cretaceous formations in all parts 

 of the world. 





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^NU -at. 



X, 



Fig. 66. Scapanorhynchtts elongatus, A. S. Woodward (a) and Scapanorhynchus lewisi (Davis) (b) ; lower views 

 of head with rostrum, two-thirds nat. size, with teeth enlarged. — Uppei Cretaceous ; Sahel Alma, Mount 

 Lebanon. Lewis Collection (B. M. nos. P. 4774, 49471). 



Fig. 67. Scapanorhynchus lewisi (Davis) ; imperfect trunk, about ono-third nat. size. — Upper Cretaceous; 

 Sahel Alma, Mount Lebanon. Lewis Collection (B. M. no. P. 4020). 



1. Scapanorhynchus rhaphiodon (Agassiz). Plate XLIV, figs. 14 — 17. 



1843. Lamna (Odotitasj'is) rhajiliiodon, L. Agassiz, Poiss. Foss., vol. iii, p. 296, pi. xxxviia, figs. 



12—16 (wo/i fig. 11). 

 1850. Odoniasins rliaj-iliiodon, F. Dixon, Geol. Sussex, pi. xxx, fig. 32. 

 1872. Odontasins rhaphiodon, H. E. Sauvage, Bibliotli. Eeole Hautes Etudes, vol. v, no. 9, p. 36, pi. i, 



figs. 42—53. 

 J889. Scafanorhynchus rhaphiodon, A. S. Woodward, Catal. Foss. Fishes B. M., pt. i, p. 353. 

 1894. Scapanorhynchus rhaiihiodon, A. S. "Woodward, Proc. Geol. Assoc, vol. xiii, p. 196, pi. v, 



figs. 11—13. 

 1902. Scapanorhynchns {Odontasph) rhaphiodon, M. Leriche, Ann. Soc. Geol. Nord, vol. xxxi, p. 106, 



pi. iii, figs. 8—13. 



Type. — Dental croAvns, probably from a Turonian zone ; British Museum. 

 Specific Characters. — Crown of anterior teeth usually attaining a height of 

 from 1"5 cm. to 2 cm. Inner coronal face marked with prominent vertical striae, 



