74 
ACTIXOPTERYGII. 
P. 1540, P. 4657. A somewhat smaller but nearly similar specimen, 
partly in counterpart; Seefeld. 
Egerton and Enniskillen Colls. 
21375. Imperfect trunk, displaying the squamation and part of the 
tuberculated operculum ; Seefeld. Part of a postclavicular 
scale is highly ornamented. Purchased , 1847. 
P. 1539. More imperfect portion of trunk ; Seefeld. Egerton Coll. 
P. 3622. Middle portion of deepened trunk ; Seefeld. 
Enniskillen Coll. 
e 
The following specimen may represent the young of C. ornatus :— 
P. 4706. Fragment of head and trunk of a ver}- small fish, with 
extremely conspicuous ornamentation on the plan of that 
of C. ornatus ; Seefeld. The fossil is associated with an 
imperfect Pholidophorus- like fish. Enniskillen Coll. 
Colobodus latus (Agassiz). 
1833. Dapedius altivelis , L. Agassiz, Poiss. Foss. vol. ii. pt. i. p. 8 (un¬ 
defined). 
1833-37. Semionotus latus, L. Agassiz, ibid. pp. 8, 227, pi. xxvii. 
1843. Semionotus pentlandi, Sir P. Egerton, Proc. Geol. Soc. vol. iv. 
p. 183. [Caudal region ; British Museum.] 
(?) 1843. Semionotuspustulifer, Sir P. Egerton, ibid. p. 183. [Fragment 
of opercular apparatus and squamation ; British Museum.] 
1844. Lepidotus parvulus, L. Agassiz (ex Miiuster, MS.), tom. cit , 
p. 267, pi. xxxiv a. figs. 8, 9. [Imperfect fish; Palaeontological 
Museum, Munich.] 
1850. Lepidotus notopterus, 0. G. Costa (errore), Atti Accad. Pontan. 
vol. v. pp. 303, 426, pi. viii. figs. 1 b, 4. 
1850. Semionotus curtnlus, 0. G. Costa, ibid. vol. v. p. 294, pi. vii. fig. 6, 
pi. viii. fig. 2. 
1853-64. Lepidotus acutirostris, 0. G. Costa, ibid. vol. viii. pp. 76,193, 
pi. ix. fig. 1, and Ittiol. Foss. Ital. p. 7, pi. ii. fig. 1. 
1853-64. Semionotus curtidus, O. G. Costa, ibid. vol. viii. pp. 78, 194, 
pi. xi. fig. 1, and Ittiol. Foss. Ital. p, 25, pi. iii. fig. 1. 
1861. Semionotus latus, 0. Fraas, Wiirtt. Jahresh. vol. xvii. p. 85. 
1862. Semionotus curtidus, O. G. Costa, Atti It. Accad. Sci. Napoli, 
Append, p. 43, pi. v. fig. 1. 
1864. Semionotus curtulus, 0. G. Costa, Atti Istit. Inc. Sci. Nat. Napoli, 
[2] vol. i. p. 238, pi. iii. fig. 1. 
1866. Semionotus latus, It. Kner, Sitzungsb. k. Akad. Wiss., matk.- 
naturw. Cl. vol. liv. pt. i. p. 319, pi. iii. fig. 5, pi. iv. 
