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<br />midline), exclusive of melanphores
<br />assciated with horizontal myosepta,
<br />air bladder, visceral cavity (peri-
<br />toneum), or gut,
<br />a. unpigmented (Fig. 88) ....... X. texanus
<br />b. with 1-5 melanophores (Fig. 89) ..... 139
<br />c. with ~6 melanophores (Fig. 19) . C. ardens
<br />
<br />72 (3,14,15,17). Ventral midline from shortly
<br />behind heart region to near vent
<br />with
<br />a. ~1 melanophores in a continuous or
<br />discontinuous line or narrow band (Fig.
<br />32) .................. C. commersoni
<br />b. ::s;2Q melanophores (Figs. 17, 18, 19)
<br />
<br />. . . . . . . . . . . . . . . . . . . . . . C. ardens
<br />
<br />73 (10,37). Ventral midline from shortly behind
<br />heart region to near vent with
<br />a. ~1 melanophores in a continuous or
<br />discontinuous line or narrow band (Fig.
<br />32) .................. C. commersoni
<br />b. ::s;6 melanophores (Fig. 89) .... X. texanus
<br />
<br />74 (41,57). Ventral midline from shortly behind
<br />heart region to near vent with
<br />a. 7-20 melanophores (Fig. 17) . . C.latipinnis
<br />b. ::s;6 melanophores (Figs. 60, 89) . . . . . . . 75
<br />
<br />75 (74). Number of principal dorsal rm rays
<br />a.11 .................... C.latipinnis
<br />
<br />b. 12-14 . . . . . . . . . . . . . . . . . . . . . . . . . . 76
<br />c. 15-16.................... X. texanus
<br />
<br />76 (75). Lateral surface of body above hori-
<br />zontal myosepta (or lateral midline),
<br />exclusive of melanophores associated
<br />with horizontal myosepta, air
<br />bladder, visceral cavity (peri-
<br />toneum), or gut,
<br />a. unpigmented (Fig. 88) ....... X. lexanus
<br />b. with 1-5 melanophores .,. . . . . . . . . . . 91
<br />c. with ~ melanophores (Figs. 60, 89) ... 77
<br />
<br />77 (76). Lateral surface of body below hori-
<br />zontal myosepta (or lateral midline),
<br />exclusive of melanophores associated
<br />with horizontal myosepta, air
<br />bladder, visceral cavity (peri-
<br />toneum), or gut,
<br />a. with::s;5 melanophores (Fig. 88) ...... 91
<br />b. with ~ melanophores (Fig. 60) C. /atipinnis
<br />
<br />78 (6). Ventral midline from shortly behind
<br />heart region to near vent with
<br />a. ~1 melanophores in a continuous or
<br />discontinuous line or narrow band (F"tgs.
<br />32,75) ......................... 86
<br />b. 7-20 melanophores (Fig. 17) . . . . . . . . . 79
<br />c. ::s;6 melanophores (Fig. 19) ..... C. ardens
<br />
<br />79 (78). Number of principal dorsal fin rays
<br />a. 9 . . . . . . . . . . . . . . . . . C.platyrhynchus
<br />
<br />b. 10-12.......................... 80
<br />c. 13-14..................... C. ardens
<br />
<br />80 (79). Lateral surface of body below hori-
<br />zontal myosepta (or lateral midline),
<br />exclusive of me1anophores asso-
<br />ciated with horizontal myosepta, air
<br />bladder, visceral cavity (peri-
<br />toneum), or gut,
<br />a. unpigmented .......... C. platyrhynchus
<br />b. with 1-5 melanophores (Fig. 45) ...... 94
<br />
<br />81 (8,12). Ventral midline from shortly behind
<br />heart region to near vent with
<br />a. ~1 melanophores in a continuous or
<br />discontinuous line or narrow band (Figs.
<br />
<br />32, 75) . . . . . . . . . . . . . . . . . . . . . . . . . 82
<br />b. 7-20 melanophores (Fig. 47) . . . . . . . . . 89
<br />c. ::s;6 melanophores . . . . . . . . . C. discobo/us
<br />
<br />82 (81). Number of principal dorsal rm rays
<br />
<br />a.9 .......................... 89
<br />b. 10-12 . . . . . . . . . . . . . . . . . . . . . . . . . . 83
<br />c.13 .................c.commersoni
<br />
<br />83 (82). Lateral surface of body below hori-
<br />zontal myosepta (or lateral midline),
<br />exclusive of melanophores ass0-
<br />ciated with horizontal myosepta, air
<br />bladder, visceral cavity (peri-
<br />toneum), or gut,
<br />a. with:$S melanophores (Fig. 45) ...... 87
<br />b. with ~6 melanophores (Figs. 32, 46,
<br />
<br />74) .... . . . . . . . . . . . . . . . . . . . . . . 84
<br />
<br />84 (83). Mid-lateral surface of body with
<br />a. no large, distinct spots (Figs. 32, 46,
<br />
<br />74) . . . . . . . . . . . . . . . . . . . . . . . . . . 97
<br />b. 3 large, distinct spots, one between head
<br />and dorsal rm, the second over the
<br />pelvic rm, and the last on the caudal
<br />peduncle near the base of the tail (Fig.
<br />35) .................c.commersoni
<br />
<br />85 (6,8,18). Ventral midline from shortly behind
<br />heart region to near vent with
<br />a. ~1 melanophores in a continuous or
<br />discontinuous line or narrow band (Fig.
<br />
<br />32) . . . . . . . . . . . . . . . . . . . . . . . . . . 86
<br />b. 7-20 melanophores (Fig. 47)
<br />... . .. . ... ., ... . C.platyrhynchus
<br />
<br />86 (78,85). Number of principal dorsal rm rays
<br />a.9 ................ C.platyrhynchus
<br />
<br />b. 10-12.......................... 87
<br />c.13 .................c.commersoni
<br />
<br />87 (83,86). Mid-lateral surface of body with
<br />a. no large, distinct spots (Ftgs. 33, 75) .. 104
<br />b. 3 large, distinct spots, one between head
<br />and dorsal fin, the second over the
<br />pelvic fin, and the last on the caudal
<br />peduncle near the base of the tail (Fig.
<br />35) . . . . . . . . . . . . . . . . . C. commers01li
<br />
<br />88 (12). Ventral midline from shortly behind
<br />heart region to near vent with
<br />a. ~7 melanophores (Figs. 46, 74) . . . . . . . 89
<br />b. ::s;6 melanophores . . . . . . . . . C. discobolus
<br />
<br />78
<br />
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