228 
A.CT1N0PTERYGII. 
49365. Imperfect mandible, equally large, with part of the palato 
pterygoid arcade ; Kent. Mrs. Smith's Go • 
49824. Imperfect left palato-pterygoid arcade, showing three teet 
and the bases of others ; Lower Chalk, Southern™, Lewes 
Capron Coll- 
3S750. Imperfect palatine associated with anterior end of dent.ui 
Lower Chalk, Burham, Kent. Purchased , 1 
43101. Fragment of palatine ; Kent. Wetherell Coll- 
lho following species are unsatisfactorily defined, and are n 
represented in the Collection : — 
Cimolichthys contractus, F. B. Loomis, Paloeontogr. vol. 
(1900), p. 273, pi. xxvii. figs. 8, 9. Empo contract, 
E. D. Cope, Bull. U.S. Geol. Surv. Territ. no. 2 (!»' >' 
p. 46, and Yert. Cret. Form. West (Hep. U.S. Geol- ' ur 
Territ. vol. ii. 1875), p. 232, pi. liii. figs- 14-1 1- 
Cretaceous (Niobrara Group); Kansas. [Palato-pter} g° 
arcade.] 9 
Cimolichthys lisbonmsis : Empo lishonensis, A. Stewart, a 
Univ. Quart. [A]yo1. viii. (1899), p. 1 11. — UpperCretaceo 
(Lisbon Shales) ; Kansas. [Premaxilla; Kansas Universi . 
Museum.] 
Cimolichthys merrilli, F. B. Loomis, loc. cit. 1900, P- ” ^ 
pi. xxvii. fig. 7. Empo merrilli, E. D. Cope, loc. cit. 
p. 46, and op. cit. 1875, p. 232, pi. ILL S a ■ ^ 
Upper Cretaceous (Niobrara Group) ; Kansas. [ aa 
&c.] 
Cimolichthys semianceps, E. D. Cope, Proc. Amer. FJ 11 ' qq 
vol. xii. (1872), p. 351; F. B. Loomis, loc. cit. ' 
p. 273, pi. xxvii. figs. 4-6. Empo semianceps, K. • ^ 
op. cit. 1875, p. 233, pi. liii. figs- 1> 2, 
[Portions of jaws.] 
Numerous detached barbed teeth of Cimolichthys hare 
described as follows : — 
Spinax marginatus, A. E. Beuss, Verstein. bobm. Kreidc ^ 
pt. i. (1845), p. 8, pi. iv. figs. 10, 11. 
marginatus, C. G. Giebel, Fauna d. Vorwelt, Fisc e f 
p. 301. Anenchdum ? marginatum, E. Heber , ... 
Soc. Geol. France, [2] vol. v. (1855), p- ^ (j e i n itz. 
fig. 4. Saurocephalus ? marginatus, H. 
