Quast 1948 Journal 125 June 18 San Jorge, 5° ft 25°44'N, 112°05'W, Baja California 51° F. Maximum temperature was not taken. But today, but it has been cool and pleasant with a steady breeze blowing from the sea. Set out 48 live traps baited with Bermuda-grass seed on hill east of camp this evening. Traps were set among Ocotillo bushes, heavily parasitized with Ocotillos, Lumboro, and Pitayas agria. There is abundant mouse-sign in the sand among the above-mentioned vegetation. Looked for bats this evening, but none was seen by the group. June 19 Location. The 48 live traps caught 2♂ Dipodomys merriami, 10♂, 8♀ Perognathus arenarius, and one ♀ Perognathus baileyi; and 50 Museum specials set in flat north of camp among Mangl. Dulces caught 7♂, 3♀ Perognathus arenarius and six Perognathus baileyi. Those specimens caught in the Museum Specials were badly eaten by ants and only the skulls were saved. Minimum temperature last night was 63° F, maximum today was 79° We are camped by a fisherman's shack on the east bank of the large estero here. The estero is about 800 yards wide and appears to be about ¾ mil in length, and is bordered by Mangroves in practically all its extent. See map pg. 130