BULLETIN FLORIDA STATE MUSEUM


 2b. Dark diagonal band (orange-red in young individuals, black
 in adults) on dorsal fin, not paralleling distal margin, but
 beginning on lower third of anterior margin and terminating
 at middle of posterior margin. No black border in fork area
 of caudal fin. Caudal spot present, about equal to diameter
 of eye. Faint red bar sometimes present on cheek. Body
 deeper and more compressed. Nuptial tubercles present on
 top of head, back, and dorsal fin. Angle between mouth and
 top of head usually 57 to 610. Vertebrae 38 to 40, usually
 39. Anal rays usually 10 in specimen from southern part
 of range. ----------- Notropis zonistius
 Chattahoochee and upper Savannah drainages of Alabama,
 Georgia, and Florida.

lb. No dark band on dorsal fin. Peritoneum uniformly black. No
 red stripe on cheek or on margin of opercle and preopercle.
 Nuptial tubercles in single row along lower jaw not extending
 to tip of chin. Dorso-lateral scales usually not broadly margined
 with dark pigment. Circumferential scales usually 12 to 17-
 2-11 to 15 .-______ ..____- ... ...... .3___. .. 3
 3a. A prominent black stripe along length of body and encircling
 snout; a thin but distinct black stripe parallel to and slightly
 above this stripe on body. Body slender and terete. No
 black crescent-shaped bars on side of body. Insertion of
 dorsal fin slightly behind insertion of pelvic. Nuptial tu-
 bercles weakly developed, granular. Lateral scales with
 4 or 5 prominent scallops on posterior margin _____--- 4
 4a. No black pigment on posterior-dorsal margin of opercle
 or on area bounded by or between opercle and anterior
 part of lateral line. Pigment covering cleithrum usually
 very dark in adults. Area between lateral line and
 lateral stripe on middle part of body unpigmented. Pig-
 ment unequally distributed on caudal peduncle, very
 little present below lateral line. Fairly dense pigment
 around edges of dorso-lateral scales, forming parallel
 crooked lines that run length of back. Breeding colors
 usually more pronounced __- Notropis zonatus
 Missouri, Black, St. Francis, and Mississippi drainages;
 Missouri and Arkansas.
 4b. Black pigment present on posterior-dorsal margin of
 opercle and on area between opercle and anterior part


Vol. 8