108 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
interorbital equals snout; origin of dorsal in front of gill-opening a distance equal to length of mouth; 
dorsal fin somewhat higher than anal, its height greater than length of snout; tail compressed and 
moderately slender; a few short conical teeth in anterior parts of each jaw; 2 series of conical teeth in 
each side of upper jaw; roof of mouth paved with molars, in 2 rows anteriorly, in 4 posteriorly; 
molars in 2 series in each side of lower jaw; gill-opening small, narrow, length less than diameter 
of eye; anterior nostril tubular, near tip of snout, considerably above margin of mouth; posterior 
nostril round and inconspicuous, near middle of upper margin of eye. 
Color in alcohol, dark brownish with about 23 dark cross-bands mostly as broad as depth of body, 
indistinct on middle part of body, but quite distinct anteriorly and on tail; alternating with them are 
white ones which are narrower than eye and which extend on anal and dorsal fins; the edges of the 
bands jagged, the white bands widening toward the belly; extreme tip of tail brown (in the cotypes 
the tip is narrowly edged with white); side of lower jaw brown, angle of mouth black with white 
spot in front on lower jaw; gill-opening without dark border. The 2 cotypes show some differences 
in color. In the larger example (No. 2351) , 16.5 inches long, the body is more uniformly dark brown 
and the light cross-bands are very indistinct except on tail; in the other cotvpe (No. 2353), 9.5 inches 
in length, the white cross-bands are very distinct, all completely encircling the body except 3 or 4 
anterior to vent. 
The species was not taken by us. Three specimens were obtained by Dr. Jenkins in 1889, the 
type, No. 50686, U. S. Nat. Mus. (field No. 2352), a specimen 12.5 inches long, collected at Honolulu; 
cotypes, No. 7725, L. S. Jr. Univ. Mus. (field No. 2351), a specimen 16.5 inches long; and No. 2754, 
U. S. Fish Commission (field No. 2353), a specimen 9.5 inches long, both from Honolulu. 
Echidna obsc ura Jenkins, Bull. U. S. Fish Comm., XXII, 1902 (Sept. 23, 1903), 430, tig 11, Honolulu. 
68. Echidna zonata Fowler. Fig. 31. 
Head 7.2 in total length, or 3.75 in distance from tip of snout to vent; vent about midway between 
tip of snout and tip of tail; depth about 2.2 in head; eye 10 in head, 1.6 in snout, or 1 in interorbital 
space; length of mouth 2.7 in head. 
Body moderately elongate, compressed; tail strongly compressed and pointed; head swollen; 
mouth moderate, gape reaching beyond eye a distance equal to length of snout; lower jaw shorter 
Fig. 31 .—Echidna zonata Fowler. Type of E. vincta Jenkins. 
than upper, curved so that the mouth does not close completely; teeth bluntly conic, in a single series 
in front in upper jaw, in 2 series laterally; teeth on vomer bluntly conic, in a single series of 3 teeth, 
depressible anteriorly, in a double series of molar teeth posteriorly, about 7 teeth in each series; lower 
jaw with a double series of bluntly conic teeth on each side, and a median series of similar teeth. 
Color in life, body crossed by 25 (by error 24 in drawing) broad reddish-brown nonreticulating 
bands, the width of those at middle of body exceeding snout and eye; the bands completely encircling 
the body, and separated- by somewhat narrower light bands; tip of snout yellowish white; the first 
dark band through eye broadening on interorbital space; second dark band crossing side of head and 
