Catalogue of the fossil fishes in the British Museum (Natural History) .. . cirinensis, V. Thiolliere,Poiss. Foss. Bugey, pt. i. (1854), p. 10.—Lower Kimme-ridgian (Lithographic Stone); Cirin, Ain, France, andBavaria. [Pakeontological Museum, Munich.] Undina gulo (Egerton). 1861. Holophagus gulo, Sir P. Egerton, Figs. & Descrips. Brit. Organic Remains (Mem. Geol. Surv. ), dec. x. p. Holophagus gulo, T. H. Huxley, ibid. dec. xii. p. 26, pi. Holophagus gulo, T. H. Huxley, ibid. dec. xiii. no. 10, pi. x. Type. Fish, wanting head ; Museum of Practical Geology. A large species, at
Catalogue of the fossil fishes in the British Museum (Natural History) .. . cirinensis, V. Thiolliere,Poiss. Foss. Bugey, pt. i. (1854), p. 10.—Lower Kimme-ridgian (Lithographic Stone); Cirin, Ain, France, andBavaria. [Pakeontological Museum, Munich.] Undina gulo (Egerton). 1861. Holophagus gulo, Sir P. Egerton, Figs. & Descrips. Brit. Organic Remains (Mem. Geol. Surv. ), dec. x. p. Holophagus gulo, T. H. Huxley, ibid. dec. xii. p. 26, pi. Holophagus gulo, T. H. Huxley, ibid. dec. xiii. no. 10, pi. x. Type. Fish, wanting head ; Museum of Practical Geology. A large species, attaining a length of about 0*7. Trunk robust;head and opercular apparatus occupying one quarter of the totallength. Dorsal fins well developed, the first consisting of about 10relatively stout rays, the second and the anal comprising more 41L> CROSSOPTEKYGII. numerous and more slender rays, much expanded and closely arti-culated distally ; principal caudal fin consisting of about 16-18 stoutrays above and below, much expanded and closely articulated dis- Fig. Undina gulo (Egert.).—Eestored skeleton. The supraclavicle is omitted, andthe cheek-plates are inferred to have been arranged as in other facial bones in advance of the orbit are unknown. tally. Mandibular and opercular bones and jugular plates externallyornamented with large, very closely arranged, rounded tubercles ;scales with numerous, irregularly and closely arranged, elongatedtubercles. This is the type species of the so-called Holopliagus. Form. <$f Loc. Lower Lias : Lyme Regis, Dorsetshire. P. 3344. Specimen figured in Mem. Geol. Surv. dec. xiii. pi. x. Enniskillen Coll. P. 2022. Fine small specimen, 0*255 in length, wanting the pelvicand anal fins, and parts of the anterior dorsal and supple-mentary caudal. The ornament of one of the jugularplates is well preserved. Egerton Coll. P. 2022 a. Fragmentary remains of head and caudal region. Therays of the caudal fin considerably overlap t
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