PH0LID0PH0R1DJE. 
461 
of the trunk, and nearly one-quarter the total length of the fish. 
Head and opercular bones feebly rugose. Fulcra remarkably large 
and stout on all the fins. Pelvic fins arising much in advance of 
the middle point of the trunk, and the dorsal opposed to the space 
between these and the anal. Scales large and smooth, the hinder 
margin not serrated; four longitudinal flank-series deeper than 
broad, and that of the lateral line unusually deepened. 
Form. Sf Log. Purbeckian: Dorsetshire. 
P.6171. Type specimen figured in Damon’s Geol. Weymouth, ed. 3, 
Suppl. pi. xix. fig. 1, and scales figured in Geol. Hag. [3] 
vol. iv. pi. x. fig. 3; Lower Pur beck, Isle of Portland. 
The dorsal border in advance of the dorsal fin is apparently 
destroyed and removed. Damon Coll. 
40835. A much-crushed specimen, in counterpart, imperfectly shown 
in Geol. Hag. [3] vol. iv. pi. x. fig. 2 ; Lower Purbeck, 
Isle of Portland. The large fulcra on the dorsal fin are 
well shown, and the squamation is much fractured. 
Purchased , 1867. 
P. 1074. Fish much shortened and deepened by crushing, as indi¬ 
cated by the displaced dorsal fin ; Pepper Purbeck, Upway, 
near Weymouth. This is the type specimen of the so- 
called P. brevis of W. Davies : and acutely-pointed small 
teeth, sometimes uncinate, are conspicuous in the region 
of the mouth. Egerton Coll. 
P. 3607. Imperfect head and abdominal region, noticed loc. cit. 1887, 
p. 339 ; TJpway. Enniskillen Coll. 
P.1073. Fragmentary fish ; Upway. Egerton Coll. 
P.6376. Very imperfect trank; locality uncertain. Beckles Coll. 
Pholidophorus higginsi, Egerton. 
1854-55. Pholidophorus higginsi, Sir P. Egerton, Ann. Hag. Hat. Hist. 
[2] vol. xiii. p. 435, and Figs. & Descript. Brit. Organic Remains, 
dec. viii. (Hem. Geol. Surv.), no. 7, p. 1, pi. vii. figs. 1-5. 
1854-55. Pholidophorus nitidus, Sir P. Egerton, ibid. p. 435, and ibid. 
p. 3, pi. vii. figs. 6-8. [Imperfect head and portion of trunk; 
Bristol Huseum.] 
1876. Pholidophorus mottiana , W. J. Harrison, Quart. Journ. Geol. 
