414 ‘CALIFORNIA ACADEMY OF SCIENCES. 42 
than in dut/er7; broad and movable, apparently in two - 
well separated series, the inner row similar to the outer, 
but smaller. 
Fins all low and short, except anal in male, in which 
the first one or two rays are produced and extend back 
nearly to the caudal fin. 
Dorsal in temale inserted over middle of anal, behind 
anal in male: caudal truncate. 
Female greenish above, sides with violet sheen; three 
or four black cross bars. sometimes obsolete in adult, but 
very distinct in young: one or two blackish oblong spots 
before the anterior bar, representing other bars; a dark 
pencil-like streak on sides of body below the scales; a 
dark blotch on opercle; a trace of a dark ocellus on last 
ray of dorsal at base. Fins without spots: lower fins 
plain; a dark streak along edge of caudal peduncle; faint 
traces of black markings on edge of dorsal and caudal. 
Male much smaller, reddish, with the lower fins yellow- 
ish; the coloration generally similar; both sexes rather 
dull. 
Type, No. 2637, L.S.Jr., Unive Mus: 
Family ESOCID/E. 
55. Tylosurus fodiator Jordan & Gilbert. Acuyjon. 
Common in the harbor at Mazatlan, where numerous 
specimens, large and small, were taken; the largest of 
these is about four feet long. t 
It reaches a length of five feet. Greatly valued as food 
in Acapulco: but not at Mazatlan, the people disliking it 
on account of the green bones. It often leaps at lights 
in boats, and is regarded as a species dangerous to fisher- 
men, as its sharp beak readily pierces their scanty cloth- 
ing. 
