PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 3()1 
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SAN FRANCISCO, CAL., February 28, 1880. 
DESCRIPTION GE A NEW FLOUNDER (PLATYSOMATICHTHYS 
STOMEAS), FROM THE COAST OF CALIFORNIA. 
By DAVID S. JORDAN and CHARLES H. GILBERT. 
Body extremely elongate for the family, thin, and strongly compressed. 
Head rather long and slender; the snout somewhat pointed. Mouth 
extremely large and oblique, the lower jaw included; the maxillary very 
long and slender, reaching much beyond the eye, its length about half 
that of the head. Premaxillary in front above the level of the lower eye. 
Teeth in the upper jaw anteriorly long, slender, and wide-set. Some 
of the teeth very freely depressible, the larger ones scarcely movable. 
Posteriorly the teeth are much smaller, close-set, and fixed in two rows; 
the inner row continuous with the larger anterior series, the outer row 
extending outside of some of the enlarged teeth. 
Teeth in the lower jaw very sharp and slender, long, and wide-set, 
alternating with shorter ones, which are very freely depressible. Out- 
side of the larger teeth is a series of small, fixed, close-set teeth. The 
larger teeth in each jaw are distinctly arrow-shaped. Pharyngeal teeth 
apparently in one row. 
