: 
THE CYPRINODONTS. 103 
B.6; D. 14 (13-15); A, 12-11; V.6; P. 16-17; Ll. 41-48; Ltr. 15 
(14-16); Vert. 17+ 18. 
Form more elongate than that of either F. Aceroclitus or F. majalis, out- 
line of back straighter, body less compressed. Shape of head intermediate 
between these species, length less than depth of body, three and one half 
times in the distance from snout to caudal; crown flattened. Snout medium, 
little longer than the eye. Mouth moderate ; lower jaw longer, not so much 
turned upward as in F. majalis, symphysis firm; upper shorter, protractile. 
Eye large, less than one and one half times in the interorbital space, about 
two sevenths of head. Teeth conical; outer series larger, hooked; pharyn- 
geal with a shoulder, some of the median resembling molars. Origin of 
dorsal a little in front of midway from snout to tip of caudal, nearly half of 
the base of the fin being forward of the anal. Oviduct of females not much 
prolonged upon the first anal ray, but appearing rather as if a fold at each 
side of its base. Caudal pedicel moderately slender; fin not as long as 
head, truncate. 
Olive brown to very light and translucent, darker on the back, lighter 
below ; with numerous narrow vertical bars of brown on the flanks, separ- 
ated by spaces silvery to yellowish or pinkish. The bars are variable in 
number, size, and distinctness ; on some the brown is most extensive and the 
light color is reduced to narrow streaks; on others the silver has taken the 
place of the brown to a great extent. Translucent or very light colored 
specimens are not very rare, the condition being in some cases individual 
and in others perhaps induced by the character of the water. An occasional 
one has black specks scattered over the entire body ; these seem more notice- 
able where the bands are obsolescent. The brown is made up of puncticu- 
lations; exceptionally these are ranged around the edges of the scales. 
Reaches a length of three and a half inches or more. 
Maine to the Mississippi Valley inclusive, and southward to the Carolinas. 
Fundulus Kans. 
Plate Il, Fig. 10, teeth, 
Pundulus zebrinus Gilb., 1884, B. Wash. Lab., I, 15,— 1889, B. 9 Wash. Lab., 39, 40; Crag., 1885, 
B, Wash. Lab., I, 110; Everm. & F., 1885, P. Phil. Ac., 412; Jor., 1885, Rep. U. S. F. Com., 45, — 1887, 
R. U. 8S. F. Com., 836, — 1891, B. U. 8. F. Com., IX, 17; Hay, 1889, P. U. S. Mus., X, 249, 250, 252; 
Everm. & K., 1894, B. U. S. F. Com., 1892, pl. 23, fig. 2. 
B.5; D. 15-17; A. 15-15; P. 16-17; Ll. 60-65; Ltr. 18-20; Vert. 
15+ 21. 
