CARBONIFEROUS FISH-FAUNA, 
upturned (D), part of dorsal fin (E), anal fin 
(F), and caudal fin; nat. size. 
la, 1b.—Inner aspect of scales; about twice nat. size, to 
show peg-and-socket articulation, and some of the 
pegs further magnified. 
le.-1f:—Impressions of scales; three or four times nat. 
size, showing nature of external ornamentation. 
Fig. 2.—Ditto; impression of part of large trunk, showing 
traces of displaced pectoral fin (G), pelvic fins 
(H), dorsal fin (1), and anal fin (K); nat. size. 
2a—2f.—Impressions of scales; thrice nat. size, showing 
nature of external ornamentation (long axis of 
figs. 2a-2d wrongly placed vertically). 
RAE xo 
Fig. 1.—Hlonichthys gibbus, sp. nov.; type-specimen, lacking 
hinder half of caudal region; nat. size. 
la.—Impression of flank-scales ; magnified. 
1b.—Restored drawing of dorsal ridge-scales ; magnified. 
Fig. 2.—Ditto; distorted fish ; nat. size. 
Fig. 3.—Ditto; impression of part of head and trunk; nat. size. 
3a.—Impression of scales; magnified. 
3b.—Impression of cireumorbital plates, showing radiat- 
ing ornamentation ; thrice nat. size. 
Fig. 4.—Ditto; part of trunk and fins; nat. size. 
4a.—Impression of part of two dorsal ridge-scales ; 
magnified, 
4b.—Impression of flank-seales; magnified (long axis 
wrongly placed horizontally). 
Fig. 5.—Ditto; fragmentary remains of fish; nat. size. 
Fig. 6.—Ditto; unsatisfactory attempt at restoration; much 
reduced, the general outline probably almost 
correct, but squamation inaccurate and restored ; 
extent of paired, dorsal, and anal fins too large. 
[32] 
