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<br />a. 9 . . . . . . . . . . . . . . . . . . . C. discobolus <br /> <br />b. 10-12 . . . . . . . . . . . . . . . . . . . . . . . .. 148 <br />c. 13-14..................... C. ardens <br /> <br />148 (128,137,140,147). Length of base of dorsal <br />fm (origin to insertion of dorsal fm) <br />a. 11% SL . . . . . . . . . . . . . . . . C. discobolus <br />b. 12-14% SL . . . . . . . . . . . . . . . . . . . .. 149 <br />c. 15% SL . . . . . . . . . . . . . . . . . . . C. ardens <br /> <br />149 (129,148). Length from anterior margin of <br />snout to insertion of dorsal fm <br />a. 60% SL . . . . . . . . . . . . . . . . . . . C. ardens <br />b. 61-63% SL . . . . . . . . . . . . . . . . . . . .. 193 <br />c. 64% SL . . . . . . . . . . . . . . . . C. discobolus <br /> <br />150 (58,89). Full complement of dorsal fm ptery- <br />giophores (same number as adult <br />complement of principal dorsal fm <br />rays which develop subsequent to <br />the pterygiophores) <br />a. incompletely or unclearly formed .... 199 <br />b. clearly formed and countable ....... 151 <br /> <br />151 (150). Number of dorsal fm pterygiophores <br /> <br />a. 10 ...................... C. ardens <br />b. 11-14......................... 152 <br /> <br />152 (140,144,151). Length of base of dorsal fm <br />(origin to insertion of dorsal fm) <br />a. 12-15% SL . . . . . . . . . . . . . . . . . . . .. 153 <br />b. 16-17% SL . . . . . . . . . . . . . . . C.latipinnis <br /> <br />153 (138,141,145,152). Length from anterior <br />margin of snout to insertion of <br />dorsal fm <br />a. 60-61% SL . . . . . . . . . . . . . . . . . C. ardens <br />b. 62-63% SL . . . . . . . . . . . . . . . . . . . .. 199 <br />c. 64-67% SL . . . . . . . . . . . . . . . C. latipinnis <br /> <br />154 (113). Full complement of dorsal fm ptery- <br />giophores (same number as adult <br />complement of principal dorsal fm <br />rays which develop subsequent to <br />the pterygiophores) <br />a. incompletely or unclearly formed .... 292 <br />b. clearly formed and countable ....... 155 <br /> <br />155 (154). Number of dorsal fin pterygiophores <br />a. 11 .................... C. latipinnis <br /> <br />b. 12.14 . . . . . . . . . . . . . . . . . . . .. . . .. 156 <br />c. 15-16.................... X. lexanus <br /> <br />156 (155). Length of base of dorsal fm (origin <br />to insertion of dorsal fm) <br />a. U-15% SL . . . . . . . . . . . . . . . C. latipinnis <br />b. 16-17% SL . . . . . . . . . . . . . . . . . . . .. 157 <br />c. 18% SL . . . . . . . . . . . . . . . . . . X. lexanus <br /> <br />157 (138,145,156). Length from anterior margin <br />of snout to insertion of dorsal fm <br />a. 62-64% SL . . . . . . . . . . . . . . . C. latipinnis <br />b. 65-67% SL . . . . . . . . . . . . . . . . . . . .. 292 <br /> <br />158 (34,86). Number of principal dorsal fm rays <br /> <br />a. 9 . . . . . . . . . . . . . . . . . . . . . . . .. 167 <br /> <br />b. 10-12......................... 159 <br />c. 13 . . . . . . . . . . . . . . . . . C. commersoni <br /> <br />159 (158). Length of base of dorsal fm (origin <br />to insertion of dorsal fm) <br /> <br />a. 11% SL . . . . . . . . . . . . . . . . . . . . . .. 168 <br />b. 12-13% SL .................... 160 <br />c. 14% SL . . . . . . . . . . . . . . . . . . . . . .. 163 <br /> <br />160 (159). Dorsal fm length <br />a. 11-15% SL .................... 192 <br />b. 16-17% SL .................... 186 <br /> <br />161 (52,85). Number of principal dorsal fm rays <br />a.9 .................. C.discobolus <br /> <br />b. 10-12......................... 162 <br />c. 13 . . . . . . . . . . . . . . . . . C. commersoni <br /> <br />162 (161). Length of base of dorsal fm (origin <br />to insertion of dorsal fm) <br />a. 11% SL . . . . . . . . . . . . . . . . C. discobolus <br />b. 12-14% SL .................... 163 <br /> <br />163 (159,162). Dorsal fm length <br />a. 11-15% SL ............. C. discobolus <br />b. 16-17% SL .........:.......... 186 <br /> <br />164 (107). Number of principal dorsal fm rays <br />a. 9 . . . . . . . . . . . . . . . . C. platyrhynchus <br /> <br />b. 10-12......................... 165 <br />c. 13 . . . . . . . . . . . . . . . . . C. commersoni <br /> <br />165 (164). Length of base of dorsal fm (origin <br />to insertion of dorsal fm) <br />a. 11% SL . . . . . . . . . . . . . . C. platyrhynchus <br />b. 12-13% SL .................... 166 <br />c. 14% SL . . . . . . . . . . . . . . . C. commersoni <br /> <br />166 (165). Dorsal fm length <br />a. 11-15% SL ........... C.platyrhynchus <br />b. 16-17% SL ............ C. commersoni <br /> <br />167 (53,158). Length of base of dorsal fIit (origin <br />to insertion of dorsal fm) <br />a. 11-13% SL .................... 168 <br />b. 14% SL . . . . . . . . . . . . . . . . C. discobolus <br /> <br />168 (159,167). Dorsal fin length <br />a. 11-15% SL .................... 192 <br />b. 16-17% SL ............. C. discobolus <br /> <br />169 (72,79,100). Number of principal dorsal fm <br />rays <br />a.9 .................. C.discobolus <br /> <br />b. 10-11 . . . . . . . . . . . . . . . . . . . . . . . .. 172 <br />c. U . . . . . . . . . . . . . . . . . . . . . . . .. 170 <br />d. 13-14......................... 184 <br />e. 15-16.................... X. texanus <br /> <br />170 (169). Length of base of dorsal fm (origin <br />to insertion of dorsal fm) <br />a. 11% SL . . . . . . . . . . . . . . . . C. discobolus <br />b. 12-14% SL .................... 173 <br />c. 15% SL . . . . . . . . . . . . . . . . . . . C. ardens <br />d. 16-18% SL ............... X.lexanus <br /> <br />65 <br />