TABLE 2.--VARIATION IN THE NUMBER OF VENTRALS IN CONOPHIS. Key to Columns ==================================== Std. Dev. = Standard Deviation Std. Err. = Standard Error Coe. Var. = Coefficient of Variation ==============+===========+=========+=======+======+======+====== | Number of | | | Std. | Std. | Coe. Taxon | Specimens | Range | Mean | Dev. | Err. | Var. --------------+-----------+---------+-------+------+------+------ _l. concolor_ | 45 | 158-170 | 163.7 | 1.56 | 0.23 | 0.95 _l. dunni_ | 36 | 159-178 | 167.2 | 4.56 | 0.76 | 2.72 _l. lineatus_ | 26 | 157-169 | 163.5 | 3.59 | 0.72 | 2.20 _nevermanni_ | 6 | 173-183 | 176.5 | 4.00 | 1.63 | 2.27 _pulcher_ | 26 | 149-180 | 169.5 | 5.31 | 1.04 | 3.13 _vittatus_ | 171 | 149-180 | 163.7 | 6.33 | 0.15 | 3.87 --------------+-----------+---------+-------+------+------+------ TABLE 3.--SEXUAL DIMORPHISM AS INDICATED BY VARIATION IN THE NUMBER OF SUBCAUDALS IN CONOPHIS. Key to Columns ==================================== Num. Spc. = Number of Specimens Std. Dev. = Standard Deviation Std. Err. = Standard Error Coe. Var. = Coefficient of Variation Coe. Dif. = Coefficient of Difference ====================+=====+====+=======+======+======+======+======+===== | |Num.| | | Std. | Std. | Coe. | Coe. Taxon | Sex |Spc.| Range | Mean | Dev. | Err. | Var. | Dif. --------------------+-----+----+-------+------+------+------+------+----- _lineatus concolor_ | [M] | 22 | 68-74 | 70.3 | 2.14 | 0.46 | 3.04 | | | | | | | | | 1.97 | [F] | 16 | 56-65 | 61.8 | 2.18 | 0.55 | 3.53 | | | | | | | | | _lineatus dunni_ | [M] | 14 | 67-80 | 74.5 | 3.86 | 1.03 | 5.18 | | | | | | | | | 0.95 | [F] | 16 | 60-72 | 67.1 | 3.91 | 0.97 | 5.82 | | | | | | | | | _lineatus lineatus_ | [M] | 11 | 67-73 | 69.8 | 6.17 | 1.85 | 8.84 | | | | | | | | | 0.60 | [F] | 9 | 60-66 | 62.4 | 6.17 | 2.06 | 9.89 | | | | | | | | | _nevermanni_ | [M] | 3 | 82-89 | 85.3 | .... | .... | .... | | | | | | | | | .... | [F] | 2 | 71-76 | 73.5 | .... | .... | .... | | | | | | | | | _pulcher_ | [M] | 7 | 70-79 | 74.3 | 3.11 | 1.17 | 4.19 | | | | | | | | | 0.93 | [F] | 11 | 65-71 | 68.2 | 3.42 | 1.08 | 5.01 | | | | | | | | |