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Table page
<br />1. Mean monthly and annual temperatures for selected
<br /> stations in the Virgin River basin ....................... . 12
<br />2. Mean monthly and annual precipitation for selected
<br /> stations in the Virgin River basin .......
<br />.
<br />: 13
<br /> ............
<br />...
<br />3. Pan evaporation estimates at St. Geerge and Zion
<br /> National Park, Utah ....................................... 15
<br />4. Water quality for selected stations in the Virgin
<br /> River basin ...............:...:........................... 30
<br />5. Discharge records for selected stations in the
<br /> Virgin River basin ............. 36
<br /> ...........................
<br />6. Annual discharge records for the Virgin River at
<br /> Littlefield, Arizona .............. 37
<br /> .......... ............
<br />7. Mean monthly total dissolved solid concentration
<br /> for the Virgin River at Littlefield, Arizona
<br />, 38
<br /> ,,,,,,,,,
<br />,,,,
<br />8. Comparison of the depressed length of the pelvic
<br /> fins of normal and abnormal Rhinzchth~s oscutus,,,,,,,,,,, 70
<br />9. Meristic and r~~orphometric measurements for
<br /> Notropis Zut-rensis from Station 4 ............... 91
<br /> ..........
<br />i0. Comparison of the relative abundances of fish
<br /> collected in a riffle and adjacent run at Station 20.,,,,, gg
<br />li. Comparison of the relative abundances of fish from
<br /> two adjacent riffles at Station 5 108
<br /> . ..............._ .......
<br />12. Selected meristic and morphometric measurements
<br /> for Pantosteus eZvrki from selected stations in
<br /> the Virgin River basin .................................... 124
<br />]3. ~ Comparison of the early and late summer fauna at
<br /> Station 35 ................:.............................. . 146
<br />14. Chemical characteristics of La Verkin Springs,,,,,,,,,,,,, i57
<br />15. Bioassays of PZagopterus r,~gent~~sszmus in La Verkin
<br /> Springs water at various concentrations
<br />, 160
<br /> ,,,,,,,,,,,,,,,,,,
<br />
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