MANSFIELD DISTRICT, VICTORIA. 
Plate IX. 
Pig. 1. — JElonichthys sweeti, sp. nov. ; type-specimen, fish in 
lateral aspect, lacking dorsal part of abdominal 
region ; nat. size. 
la. — Caudal fin of another specimen, showing its inequi- 
lobate shape ; nat. size. 
1A — Imperfect flank scales ; thrice nat. size. 
1 c. — Impressions of upper and lower teeth on edge of 
jaws ; about twice nat. size. 
Pig. 2.— Ditto ; undetermined. 
Pig. 3. — -Ditto; unsatisfactory attempt at restoration, much 
reduced, the general outline probably almost 
correct, but squamation very inaccurate and 
some other characters doubtful. br., broad 
branchiostegal rays; cl., clavicle; <L, mandible; 
/., anterior part of frontal; icl., infraclavicle; 
io., suboperculum ; mx., maxilla (expansion too 
deep) ; op., operculum ; p., hinder part of frontal 
(internal impression, thus showing longitudinal 
slime-canal) ; pmx., bone below the orbit, which 
is represented too small ; po., preoperculum ; 
pt., post-temporal; scl., supra-clavicle ; so., cir- 
cumorbital ring; zb., undetermined bone (no 
clear evidence). 
Pig. 4 .—JElonichthys gibbus, sp. nov.; imperfect trunk, showing 
inner aspect of many flank-scales with peg-and- 
socket articulation, also part of pelvic, dorsal, and 
anal fins ; nat, size. 
4 a . — Remains of scales showing ornamentation ; enlarged. 
Plate X. 
Pig. 1. — Eloniohlhys siceeti, sp. nov.; imperfect counterpart of 
trunk of type-specimen, showing some scales 
from inner aspect, with peg-and-socket articu- 
lation (A, B), pectoral fin (C), pelvic fin 
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