E.L. Kodatum 1954 Bulfo canorus (40) July 11 NE Tioga Pass Ranger Station, 9900 ft., Mono Co., Calif. high canorus tadpole mortality or with dragon in Parente Valley due to drying out of breeding pools. mosquitoes strike again today. sky clear and sunny and a brisk southerly breeze. adult >></> canorus collected along with Rana and small adult stylos. juvenal frogs out & active in seepage areas. Most appear to be 1-year old. I did not hear my male frogs calling between 10-11 today. many adults and juvenals collected. the females taken were subadult, possibly breeding 3-year olds. The ratio of adult >></> to ?? still 10:1 in meadow areas covered. 2 miles W of Sierra Pass Summit, 8800 ft., Tuolumne Co., Calif. check made here 2-3 P.M. sunny, clear skies and very strong westerly wind. downy particles on highest peaks but the large patch S & SE of the meadow has melted. Running or standing water only at lowest areas where willows (to 5') border SE side of Verdun Creek. Creek itself 1/3 to 1/2 of former (June 1) size and readily gotten across. I found no signs of frogs at all in area. Water to 2-3" deeps some low spots under willows but few available good breeding sites. Rana boyleri found in rivulets. Wildflowers at peak - western blue flag, brotweed, lupins, gilein, forget-me-not, arbled penateum, etc. Another low meadow area about