OF AUSTRALIA. 119 
Siderably longer than the upper one ; chin salient and rounded ■ 
teeth strong, slender, almost straight, apart one from the other \ 
those of the upper jaw much shorter than those of the man- 
dible, with the exception of the two front ones, which are often 
unequal m length and directed obliquely forwards ; the lower 
teeth are very long, pointed, directed backwards. The openin- 
of the mouth is superior, and the maxillaries extend further 
than the edge of the eye ; eyes covered by a veil ■ the 
operculum rounded ; upper surface of the head depressed 
between the eyes, with three longitudinal ridges, thecentral one 
abbreviated ■ body covered with minute scales ; dorsal unique 
inserted very considerably behind the middle of the body and 
at about two-thirds of its length ; this fin is about two-thirds 
of the length of the head ; it has sixteen rays, the posterior ones 
and the base of the others are covered with scales, and the fin 
has an adipose appearance; the caudal is very deeply forked 
formed of twenty long rays and of a considerable number of 
shorter ones on each side ; anal inserted a little behind the be- 
ginning of the dorsal, and over twice as long as this ■ it is 
covered m great part by scales, and the rays are difficult to 
count, numbering twenty-six to twenty-eight; the anterior rays 
are considerably longer than the others. Ventrals very small 
of about one-fifth the length of the pectorals, placed a little 
nearer to the base of the pectorals than to that of the anal and 
formed of eight stiff rays ; the lower ones formed of a sort of 
broad lamina, which is also the case with the dorsal and anal ■ 
pectorals situated near the lower edge of the operculum of 
fourteen rays ; they are nearly as long as two-thirds of the 
head 
. 1 Can onl ^ P lace ttis remarkable fish with the Scopelidce, and 
its dorsal fin, placed on the posterior part of the body, would 
bring it near Sudis. 
NEOSUDIS VOEAX. 
Silvery, with the upper parts of a dark slate colour ; dorsal 
ventrals, and anal, white; caudal rather yellow, bordered 
with black. 
I 2 
