402 
CROSSOPTERYGII. 
Ccelacanthus tingleyensis, Davis. 
1884. Ccelacanthus tingleyensis, J. W. Davis, Trans. Linn. Soc. ser. 2, 
(Zoology), vol. ii. p. 427, pis. xlvi.-xlix. 
1888. Rhabdoderma tingleyense , 0. M. Deis, Palasontogr. vol. xxxv. p. 72. 
Type. Various portions of fishes; collection of J. W. Davis, Esq. 
A large species, about equal to the typical C. granulatus in size. 
Trunk robust, but elongated. Dorsal fins of relatively large size, 
the first consisting of very stout rays and situated slightly in advance 
of the pelvic pair, the second consisting of more numerous slender 
rays ; principal caudal fin comprising 18-20 stout rays above and 
below. Jugular plates ornamented with fine, concentric, and 
vermiculating ridges ; operculum and some of the cranial roof- 
bones with the ornament partly consisting of series of tubercu- 
lations ; scales ornamented with fine antero-posterior ridges, some¬ 
times irregularly constricted at intervals, sometimes divided into 
series of elongated tubercles. 
Form. Sf Loc. Middle Coal-Measures : Yorkshire. 
The following specimens were presented by the Earl of Ennis¬ 
killen, 1882:— 
P. 1187. Bemains of a small head, opercular apparatus, clavicle, 
and a few scales, labelled by J. W. Davis ; Tingley. 
P. 1187 a-C. Three specimens, similarly labelled, the first and 
second displaying remains of the head and abdominal 
region, the third exhibiting the principal caudal fin ; 
Tingley. 
P. 1188. "Well-preserved large scales, probably of this species ; 
Tingley. 
The original of the following specimen is not yet clearly distin¬ 
guished from C. tingleyensis :— 
42062. Plaster cast of caudal region of a large fish, named C. 
phiTlipsi, L. Agassiz (Poiss. Eoss. vol. ii. p\ ii. 1844, 
p. 173), and subsequently described by J. W. Davis, Geol. 
Mag. [3] vol. vii. (1890), p. 159 ; Lower Coal-Measures, 
Halifax, Yorkshire. The original specimen is preserved 
in the Halifax Museum. 
Presented by Rev. J. B. Reach, 1870. 
