574 
ACTINOPTERYGII. 
A small species known only by the jaw. Marginal dental plates 
in contact, forming continuous series. About 10 superposed plates 
in complete inner pile. 
Form. Sc Loc. Tertiary Phosphate Beds: South Carolina. Miocene: 
North Carolina. 
P. 8607. Portion of inner dental plates ; Phosphate Beds, South 
Carolina. Slatter Coll. 
The following specimens referable to Diodon are not specifically 
determined : — 
36819. Imperfect fish about 0'12 in length, with spines fewer and 
P. 1910-11. Imperfect inner dental plates ; Eocene, Clark Co., 
Alabama, U.S.A. Egerton Coll. 
P. 4792. Base of very large inner pile of dental plates, which are 
less broad in proportion to length than those of D. scillce ; 
Miocene, Malta. 
Presented bg Sir Richard Owen , K.C.B., 1884. 
The following extinct species have also been described on imperfect 
evidence, but are not represented in the Collection : — 
Diodon acanthodes, H. E. Sauvage, Ann. Soi. Nat. [5] vol. xiv. 
(1870), art. no. 7, p. 4, and Ann. Sci. Geol. vol. iv. (1873), 
art.no. 1, p. 91, figs. 70-72. — Upper Miocene; Licata, 
Sicily. [Imperfect fish, including jaws.] 
Diodon corsicanus, A. l’ortis, Boll. R. Comit. Geol. Ital. vol. xx. 
(1889), p. 379. Phyllodus corsicanus, A. Locard, 1 aunc 
Terr. Tert. Moy. Corse (1877), p. 11, pi- i. fig s - 1’ “• 
Miocene ; Corsica. [Dental plates.] 
Diodon foleyi, R. Lydekker, Rec. Geol. Surv. India, vol. xiin 
(1880), p. 60, and Palacont. Ind. ser. x. vol. iii. (1886), 
p. 257, pi. xxxv. fig. 10. — Eocene ; Isle of Ramri, Arakan, 
India. [Dental plates]. 
Diodon gigantodus, A. Portis, loc. cit. 1889, p. 358, pi x. figs. 1, 2- 
— Upper Eocene; Castcl Madama, near Tivoli. [Dental 
plates ; University of Rome.] 
Diodon heptadiodon, A. Portis, loc. cit. 1889, p. 364. Enneodon 
echinus , J. J. Heckel, Sitzungsb. k. Akad. Wiss., math.- 
naturw. Cl. vol. xi. (1854), p. 127, and Denkschr. k- 
Akad. Wiss., math.-naturw. Cl. vol. xix. (1861), p. 76, 
larger than in D. erinaceus ; 
Algeria. 
Upper Miocene, Oran, 
Purchased , 1853. 
