locality. 
Our drawing by Richardson 1858, labeled Valparaiso. 
Our examples agree largely with the account by Jordan 
and Davis theca they include the species with those al- 
leged to have 2 rows of vomerine teeth. 
As compared with O. pacifici(Gunther)., represented 
5. , 
by the type of Ophichthys uniserialis Cope in the Academy 
collection, that species is distinguished by the row of 
small white spots along the laterel line. The type of O. 
uniserialis Cope, No. 21,152. A. N. S. P., shows: Head 6%; 
depth at vent 23 1/5; D. about 250; A. about 160; P. 15; 
head width 3 1/3 its length; head depth 32; snout 6; eye 
9 1/3; mouth 2 2/5; interorbital 6 4/5; mandible 2 1/3; 
pectoral 3; head 1 3/7 to dorsal origin; head 2 4/5 to 
ee 
22 Rep. U. S. Fish Gems, vol. 16, 1888 (1892), p. 633. 
So rroe . Amer, 211106, 50¢. fhiia.,. vol. 17, 1877, p. Sil 
Pecasmayo Bay, Peru. 
em een 
anal origin; pores about 170 in lateral line, of which 
first 12 before gill-opening. Body elongate, subcylindrical 
or moderately compressed, sides convex; tail tepers gradual- 
ly from vent, tip acuminate. Head moderately compressed, 
pharynx scarcely swollen, profiles alike, rather conic, de- 
pressed, wide as long, tip projects well beyond mandible. 
Eye ellipsoid, without eyelid, center well advanced. Mouth 
large, wide, horizontal. Lips entire, fleshy, firm. T 
conic, sharp-pointed, slightly directed posteriorly, biser- 
ial in jaws, not continuous above with premaxillary or 
