470 
ACT1NOPTERYGI1. 
P. 1068. Scattered remains of a small fish, probably of this species, 
labelled “ Pholidophorus latus , Agass.,” by Agassiz ; Solen- 
hofen. Egerton Coll. 
Pholidophorus similis, sp. nov. 
[Plate XIII. fig. 2.] 
Type. Nearly complete fish ; British Museum. 
A sjreeies of moderate size. Length of head with opercular 
apparatus nearly equalling the maximum depth of the trunk, which 
is contained from four-and-a-half to five times in the total length 
of the fish. Head and opercular bones very finely rugose. Fin-rays 
stout and smooth. Pelvic fins arising far in advance of the middle 
point of the trunk, and the dorsal fin opposed to them. Scales large, 
ornamented with fine oblique striations, more or less radiating, and 
terminating at the hinder margin in denticulations ; several series 
of flank-scales deeper than broad ; the orifices of the lateral line 
inconspicuous. 
Form. Sf Log. Lower Kimmeridgian (Lithographic Stone): Ain, 
France. 
P. 1083. Type specimen, wanting the anterior half of the head, 
shown of the natural size in PI. XIII. fig. 2 ; Cirin. The 
squamation and caudal fin are well shown, and portions 
of all the other fins occur, the dorsal being evidently dis¬ 
placed a little forwards. The large ridge-scale on the 
upper border of the caudal pedicle is especially prominent. 
Egerton Coll. 
Pholidophorus granulatus, Egerton. 
1854. Pholidophorus granulatus, Sir P. Egerton, Ann. Mag. Nat. Hist. 
[2] vol. xiii. p. 434. 
1855. Pholidophoi'us granulatus, Sir P. Egerton, Figs. & Descript. Brit. 
Organic Remains, dec. viii. (Mem. Geol. Surv.), no. 4, pi. iv. 
figs. 1, 2. 
Type. Fish wanting caudal fin: Dorset County Museum, Dor¬ 
chester. 
A large robust species, attaining a length of about 0'3. Maximum 
depth of trunk equalling about one-third of the total length of the 
fish. Head and opercular bones finely tuberculated or rugose, the 
tuberculations extending upon the dorsal scales of the abdominal 
region. Fin-ra) s smooth and stout; fulcra conspicuous. Pelvic 
fins arising far in advance of the middle point of the trunk, and 
the dorsal fin opposed to them. Scales large, ornamented with very 
