GILBERT: FISHES OF THE SUBGENUS LUXILUS TABLE 5. COMPARISON OF PROPORTIONAL MEASUREMENTS (EXPRESSED IN THOUSANDTHS OF STANDARD LENGTH) FOR Notropis zonatus AND Notropis pilsbryi Standard length Length of pectoral fin Length of pelvic fin Length of head Depth of head Width of head Interorbital width Mouth gape Diameter of eye Length of snout Length of upper jaw Distance from mid- dorsum to lateral line Depth of body Width of body Length of caudal peduncle Depth of caudal peduncle Predorsal length Prepelvic length Preanal length Length of dorsal fin Length of anal fin Length of caudal fin Angle of mouth to top of head Notropis zonatus Sex No. Range Mean 54-76 mm. M 13 200-225 208 F 13 183-216 208 40 183-225 205 M 13 160-182 171 F 13 158-179 171 40 153-182 170 38 259-284 269 0 51 161-186 174 32 116-142 133 32 80-89 84 32 47-63 54 32 70-82 77 40 70-80 74 32 80-94 88 32 181-158 146 51 199-260 229 32 115-145 131 82 192-245 229 40 86-108 96 32 460-505 488 32 464-508 487 32 643-674 662 32 200-255 240 32 178-208 198 32 240-315 290 39 46.5-56 51, Notropis pilsbryi Sex No. Range Mean 55-74 mm. M 14 190-216 F 13 184-210 * 42 181-216 M 14 159-196 F 13 151-174 * 42 146-196 * 36 251-284 * 49 154-183 * 34 129-136 * 34 75-86 * 34 50-56 * 34 71-82 * 43 65-81 * 84 78-90 * 34 133-154 49 174-273 34 126-157 36 199-239 * 40 85-111 34 470-504 34 475-497 34 659-683 34 226-253 34 175-208 34 262-321 * 40 46-56' 203 198 199 168 166 167 265 168 184 80 53 78 71 88 140 221 135 220 95 493 487 672 236 194 290 50.5* * Summation of sexed males and females and additional unsexed, adult specimens. 1964