Jordan and Evcrmann. -Fishes of North America. 



2695 



hb. Pectoral of right side only present. 



d. Dorsal ravs 65 or 66 ; anal rays 48 to 51. . , . , 



, Pectoral well developed, with about 6 rays; scales of eyed s.de with- 

 out hair-like filaments ; scales of lateral line 77 to 80 -, chin little 



. KLUNZINGERI, 3067. 



prominent. 

 d(i. Dorsal rays 50 to 58; anal rays 38 to 48. 



/ Pectoral tin of 4 to 6 rays, considerably longer than eye; body with 

 8 to 10 narrow, vertical dark bars, these sometimes obsolete with 



a Vertical tins all with round, dark spots, these usually especially 

 distinct on the caudal fin; some of the scales of eyed side 

 with black, hair-like appendages; pectoral fin with 5 or 6 

 rays, about 3 in bead, its length equal to that from outer 

 cd'o-e of 1 eye to outer edge of another. Head 3^ ; depth \\. 

 Body with's narrow, vertical cross streaks. LINEATUS, 3068. 

 n,j Vertical fins dark, without distinct markings. Body broad, 

 ovate, the depth about \\ in length ; pectoral fin with 4 rays ; 

 scales of right side with numerous black, hair-like ap- 

 pendages. D. 56; A. 42; .scales 70. mazatlanus, 3069. 

 if Pectoral fins of 1 to 3 rays, about as long as eye. 

 " 7i. Body with 6 narrow, dark bands, these sometimes obsolete. 

 Bodv rather narrowly ovate, its depth Ig in length. D. 

 58 ; A. 44 ; scales 85. fonsecensis, 3070. 

 m. Body with about 10 black cross lines ; depth If in length. D. 

 61 ; A. 44 ; scales 60 ; pectoral of a single ray. 



FISCHEEI, 3071. 



/iftfc. Body with very numerous (20 to 40) black cross bands, which 



are as broad as the interspaces. 



j Blind side of snout with few fringes. Depth U iu 



length. D. 55; A. 48; scales 80. Body covered by 



many blackish, wavy bands; caudal with black 



spots. SCUTUM, 3072. 



ACHIRUS : 

 aa Pectoral tins wholly wanting. j. ., . 



^Dorsal ravs 46^ anal rays 33; right lower lip with serrated fringes; nostri lin 

 a fringed tube; depth U in length; head 3. Color brown, head and bod 

 .ith Numerous large, rounded or kidney-shaped white ^^^^^^^^^^^ 

 dark brown ; scales 70. „ . , , ,x » ., 



n Dorsal rays 50 to 55; anal rays 37 to 46; ri^ht lower Up fringed; left nostri 

 with some fringes ; depth 1> in length ; head 4 ; none of the scales of eyed 

 side with hair-like appendages. Color dusky oUve, more or less mottled 

 with about 8 dark vertical stripes, these varying very much in ^'da a"d 

 , , xt„,i FASCIATU8, 3074. 



number; caudal spotted. .^, . -j „ + 



AA-fc. Dorsal rays 59 or 60; anal rays 41 to 45; snout and chin wxthou evident 

 fringe or barbel; right lower lip fringed; head 4 in length; depth 1^; 

 scales 64 Bodv with 12 black cross bands with narrower ones between ; 

 ^, J ' PANAMENSIS, 3075. 



caudal spotted. 



Subgenus BAIOSTOMA, Bean. 

 3065. .VCHIBIS ACHIRUS (Linmeus). 

 D 60 to 67; A. 48; P. right 3, left 1; scales 80. Pectorals rudimentary 

 on both sides; right ventral fin composed of 5 rays, which are continuous 

 with the anal. Scales on the nape and on chin twice as large as those on 

 bodv; snout with a few fringes on blind side; right lower lip frmged 

 Height of body If in total length (without caudal) ; width of luterorbital 

 space nearly equal to, or rather more than diameter ot eye; upper eye 



