PALJEOXISCTDJE. 
459 
P. 3445. Head, opercular apparatus, and some anterior scales, pre¬ 
served in counterpart; Calciferous Sandstone, Wardie, 
near Edinburgh. The maxilla, dentary, operculum, sub¬ 
operculum, branchiostegal rays, and some other hones, are 
well shown from the inner aspect. Enniskillen Coll. 
P. 846. Similar head, in counterpart, with the imperfectly pre¬ 
served abdominal region; Wardie. Portions of the 
external ornament are seen on some of the bones. 
Ecjerton Coll. 
19815. Fragment of squamation ; Wardie. Purchased, 1845. 
50094. Eemains of jaws : Calciferous Sandstone, Burdiehouse, near 
Edinburgh. Purchased, 1879. 
5008&. Fragments of dentary bone; Calciferous Sandstone, Grange 
Quarry, Burntisland, Eifeshire. Purchased , 18; 9. 
P. 846 a, P. 3440. Portion of trunk, with dorsal and anal hns, in 
counterpart; Burntisland. Egerton Sf Enniskillen Coils. 
45867. Group of head-bones and scales, associated with similar 
remains of Eurynotus crenatus, noticed by B. H. Traquair, 
Ann. Mag. Hat. Hist. [4] vol. xv. (1875), p. 258 ; Burnt¬ 
island. Presented by W. Carruthers , Esq., 1874. 
P. 847. Scattered remains of head and scales, especially displaying 
the mandible ; Carboniferous Limestone (Edge Coal 
Series), neighbourhood of Edinburgh. Egerton Coil. 
P. 4338. Similar group of remains, displaying the maxilla ; Car¬ 
boniferous Limestone (Edge Coal Series), A allyford, near 
Edinburgh. Enniskillen Loll. 
Genus CYCLOPTYCHIUS, Y OlLUg. 
[Bep. Brit. Assoc. 1865 (1866), p. 318.] 
Trunk narrow and elongated. Mandibular suspensorium oblique ; 
teeth in two series, a small outer row and larger, well-spaced lani- 
aries within. Eins of moderate size, with distinct fulcra, and the 
rays distally bifurcating ; principal rays of pectoral fin unarticulated 
except distally ; dorsal and anal fins triangular, short-based, almost or 
completely opposed ; upper caudal lobe slender, and caudal fin deeply 
forked. Scales large, ornamented with ridges chiefly concentric 
with the margins. - 
