|. 
urease pevonins (Pichardson) 
Heed 7; depth 12 1/6; snout 5 in head; gape 22; inter- 
orbitsl 7; mandible 1 2/3; Body well compressed; tsil 1 1/10 
in combined head and trunk length. Snout conic, width about 
11/8 in its length. Eye with hind edge about first third 
in head, 1; in snout. Mouth completely closing. Jaws even. 
Teeth mostly uniserial in jaws, simple, conic, enlarged in 
front and laterals largely uniformly small; row of 3 large 
depressible fang-like teeth on front of vomer, followed by 
row of smaller ones; above an inner row of 7 large depres- 
sible subequal teeth, first begins below front eye edge and 
last well behind eye. Front nostril short simple tube close 
to snout tip, about half length of pupil; hind nostril sim- 
jlar, little longer, above front third of eye within inter- 
orbital. Gill-opening little below middle in depth, also 
little shorter than eye. Pair of pores on snout, little 
nearer snout tip than eye; 4 upper pores along each side of 
mouth, and 5 below each side. Dorsal origin near first 
fourth in space between rictus and gill-opening. Caudal 
Slightly less than eye. 
Color in alcohol: largely uniform dull brownish. Body 
everywhere with distinct pale or light brown rounded or 
ellipsoid spots, most numernus on back, but larger and 
with nerrower dark interspaces below and posteriorly. On 
head spots quite smaller, so that at least 5 pale ones 
along lower lip. Gill-opening in dark color of reticulat- 
ions, also mouth corner. Length 220 mm. No locality. 
The above example bears a label with evidently en- 
