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<br />melanophores) to extensive only on proximal portions of membranes between some or all
<br />principal fin rays."
<br />Page 29, Table 5, Protolarvae: update with addition of character 5, character state "11 2 (r)" for C.
<br />discobolus, and character state "1" for all other taxa.
<br />Page 29, Table 5, Flexion Mesolarvae, character 5: update character states to "1/2" for C.
<br />discobolus, "1I2(r)" for C. platyrhynchus, and "1" for all other taxa.
<br />Page 29, Table 5, Postflexion Mesolarvae: update with addition of character 5, character state
<br />"II 2(r)" for X texanus, and character state "1-2" for all other taxa.
<br />Page 29, Table 5,: update with addition of character 7 and character states "1/ 2(r)" for C. ardens
<br />and C. latipinnis, "I(r)/2/3(r)" for C. commersoni, "1/ 2-3(r)" for C. discobolus, "I(r)/2"
<br />C. platyrhynchus, and "112 for X texanus.
<br />Page 29, Table 5, Metalarvae: update with addition of character 22, character state "1-2" for X
<br />texanus, and character state "1" for all other species.
<br />Page 29, Table 5, C. ardens: update flexion mesolarva character 1 to "I-3/4-5(r)" and
<br />postflexion mesolarva character 1 to "1 (r)/2/3-5(r)" (based on specimens in LFL# 13
<br />from Strawbeny Reservoir, Utah, and following reordering of character states as
<br />specified above), and juvenile character 16 to "1 13(r)" in accord with above changes in
<br />defined character states.
<br />Page 29, Table 5, C. discobolus: update metalarva character 21 to "I-2/3(r)."
<br />Page 29, Table 5, C. commersoni: update juvenile character 16 to "1 12(r)/4" in accord with
<br />above changes in defined character states for the character.
<br />Page 29, Table 5, C. latipinnis: update flexion mesolarva character 1 and postflexion meso larva
<br />character 1 to "3-415(r)" and metalarva character 21 to "1 12(r)."
<br />Page 29, Table 5, C. platyrhynchus: update flexion mesolarva character 1 to "1-2/3(r), "
<br />postflexion mesolarva character 1 to "1 12-4(r)," and metalarva character 1 to "1-3/4(r)."
<br />(Based on postflexion mesolarvae in the LFL Collection from Strawbeny Reservoir,
<br />Utah, and interpolation between observations for bounding phases.)
<br />Page 29, Table 5, X texanus: update juvenile character 22 to "1 (r)/2. "
<br />Page 31, paragraph 3, sentence 2: correct from "flannelmouth" to "mountain."
<br />Page 34, Fig. 8 caption: correct from "inter-neurals" to "intemeurals."
<br />Page 34, Fig. 8 caption: update from "subgenus Catostomus" to "subgenus Catostomus (except
<br />C. catostomus)."
<br />Page 35, Fig. 9 caption: correct from "only juveniles" to "early juveniles."
<br />
<br />Keys. - Corrections or updates that are too complex to implement without a complete
<br />rewrite of the affected sequences in the printed key are indicated with an asterisk (*); however,
<br />all corrections and updates are effectively incorporated in the new computer-interactive key.
<br />Page 47, Flexion Mesolarvae, Step 1: update to include option "g. 16 mm. . . . C. latipinnis."
<br />(Based in part on mesolarvae collected from the Yampa River in 1976 and 1977-LFL#
<br />69952 and 69975.)
<br />Page 47, Flexion Mesolarvae, Step 2: correct option b from "absent. . . . . C. commersoni" to
<br />"absent. . . . . 6" and add back reference to Step 2 in Step 6.
<br />Page 47, Flexion Mesolarvae, Steps 4-6: update Step 4 option b to "$;4% SL . . . .6," delete Step
<br />5, and update back reference in Step 6 from "5" to "4" to account for rare possibility of
<br />14-mm-SL C. latipinnis" having a yolk depth less than 4% SL. (Based in part on
<br />mesolarvae collected from the Yampa River in 1976-LFL# 69949.)
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