Polycelis sierrensis Kenk, 1973 | Sep 23, 1967 | | | overflow spring furnishing water to the local California Fish and Game facility on State Road 28, 1.7 road miles northeast of junction with State Road 89; water clear, fast, temperature 6.7 degrees C., pH 6.8, 6 immature Polycelis under stones. |
Polycelis sierrensis Kenk, 1973 | Jul 10, 1968 | | | water clear, fast, temperature 6.2 degrees C., pH 6.6, oxygen 10 ppm, several Polycelis under stones, 2 of them mature. |
Polycelis sierrensis Kenk, 1973 | May 28-29, 1970 | | | water clear, fast, temperature 10.0 degrees C., pH 7.0, oxygen 7 ppm, many mature and immature specimens under stones and on liver bait. |
Phagocata crenophila Carpenter, 1969 | May 28-29, 1970 | | | specimens under stones and on liver bait. |