E.L. Kabatkin 1954 Bufo canorus (15) May 27 0.2 mi. NW of Kaiser Pass Summit, El. 9200 ft. Fresno Co., Calif. I had my crinola in gore with water covering the bottom. This P.M. they were covered with ice, having been exposed to probable minimum temperatures of -4-5 degrees C. on top of the station wagon during the night. All animals survived including bullfrogs taken at about 5000 ft. The garter snakes collected near Shaver Lake, El. ) were apparently dead, but when I opened them up for preserving the hearts were still beating and I got a breathing reflex from one of them. One Bufo canorus had a dermal reading of 0.4° C. at 8:15 A.M. (D.S.) The other had -0.3° C. (as best as can be read from 0-50° C. Shultze's thermometer) Both showed nightly reflexes and one walked ploddingly for 8 inch distance over frozen ground. May 26 same locality, I went out last night between 4:15 - 11:15 P.M. (D.S.) and just about froze trying to get close to calling canorus. The first sounds recorded on Tope Roll #1, 9:50 P.M. are of a Bufo adult food being angulated by another male. This pair did not quit as I approached. She Bufo on the bottom dragged the other over the soggy meadow for a distance of about 8 feet during the 15 minutes I observed. Air temp. 1" above wet grass 3.1° C. at 10:25 P.M. Water temp. in shallow (½") surface melt 4.0° C. I tried unsuccessfully to approach other calling Bufo in vicinity but they and Hyla