x» 
120 Ayres on the identity of 
eight rays, long and much branched at the apex, except the 
extreme ones, which are smaller and undivided. At the end 
the fin is not entirely even, but a little rounded. 
18. Branchiz on each side four, of which the two middle 
ones are provided with a double row of somewhat rough tuber- 
cles on the concave side. 
19, Liver large and undivided, of which the greater part is 
situated on the left side; of a clay color. 
20. Stomach large, and round like a little bag, filled with 
small coleopterous insects. Four oblong appendages at the 
lorus 
un Intestine once reflexed, then running straight to the anus. 
22. The seminal vessels of the males, or the ovaries of the 
females, seem indeed double, but in the lower part they unite, 
and are included in a very black membrane. 
93. Kidneys and urinary vessels quite large, are seen in the 
lower part of the abdomen. 
. 94. Peritoneum blackish. 
. 95. Vertebrz generally thirty-one, much EE on 
the sides. Ribs about ten on each side, slightly fixed to the 
vertebrz by cartilage. 
Inches, Lines. 
Entire length, 9: 9 
from the snout to the maddie af the pene 2 
to the spines on the side of the head, 9 
s pamening of the pectoral fins, 6 
" : ventral, 6; 
H d first dorsal, — á 
* end of the same, " 1 2 
* beginning of the anal fin, a We oe 
* end of the same, oe of . 
od " second dorsal, 2... oh 
*. beginning of the caudal fin, 25 4 
“Greatest breadth of the head, ` : ü 1 
e = at the pectorals, . » -— €. 
aged: perpendicular to the anus, . -> 47 4 
m ub « to the caudal, L1 
