FISHES COLLECTED IN JAPAN. 3k 
53. OPHISURUS MACRORHYNCHOS. Bleecker. 
OpHISURUS SERPENS, T. and 8., Faun. Jap., 264, pl. 115, fig. 1. 
a a Kaup. Archiv. Naturges, 1856, 2, p. 44. 
gs MACkoRHYNCHOs, Bleecker. Muraenoiden We., p. 28. (1852.) 
Norrs.—From Simoda, 2 figures, one 4 feet 6 inches long, the other 2 feet 2 inches. The 
small one named Unagi. 
Bleecker, in his paper on the Indian Muraenoids, in the 25th vol. of the Transactions of the 
Batavian Society, separates this species from the Serpens of the Atlantic, with a notice of their 
difference. 
54, MURAENA KIDAKO? T. and §. 
Muraena kipako, Temm. and Schleg., Faun. Jap., Pisces, 266, pl. 117. 
PLATE XI, fig. 1. Natural size. 
Norsrs.—F rom Simoda, (174 inches.) 
This figure varies somewhat from the one given in the Fauna Japonica, It may be a young 
specimen of that species. The ground color of the whole body is a light brown, becoming 
pinkish towards the tail. The whole surface is dotted, blotched, and striped rather irregularly 
with darker brown. No other colors on the drawing. Irides white. Head rising to back of 
eyes ; lower jaw rather the shortest ; the gape of the mouth large, reaching back to twice the 
distance of the eyes from the snout. Height of body back of the head $ inches. Dr. Kaup, in 
the before quoted paper on eels, does not enumerate this species, but as it resembles the MZ. Minor 
of T. and S., which he places in his new genus Poecilophis, it may possibly belong to it also. 
55. TETRAODON BICOLOR, N. S. 
Nores.—From Simoda, (7+ inches.) 
The figure is colored light green over the back of head and body, the lower parts being pale 
blue. Back and sides, from the eyes to behind the dorsals, with about forty small brown spots 
on each side of the body, on the green ground color ; pretty regularly scattered. Inides bright 
yellow. All the fins pale dusky black. 
Form increasing rapidly in height from the obtuse snout to the pectorals, thence tapering 
gradually to the tail. Eyes large and oval, 14 inches from snout, and 3 inch in diameter. 
Pectorals 2} inches from snout, and 1} long. Dorsal 5 inches from snout, ? high. Anal 5} 
inches from snout, and much smaller than dorsal. Caudal deeply lunate, with pointed lobes, 
its base 63 inches from snout. No spines pores or lines are indicated in the drawing. 
In its proportions it comes nearest to 7’. Argenteus of T. and8., but differs from all the species 
of the genus in color. 
