Lee Arnold 1937 Itinerary Warm Spring, 4000ft, 9mi. E Ft Medee, Lassen Ca. May 26 It is interesting to note that about 3/4 mile from the spring is found a marshy area where water which is not used for irrigating accumulates. The water birds seen in and around this marsh are listed on the nominal list. From the actions of some of these birds (namely Aracets) I would predict that they may be nesting in this area. May 27 Yesterday afternoon while around camp Johnson shot a Sage Thrasher. This bird, which was very Mockingbird-like in general appearance was running along the ground in much the same manner as would a Hermit Thrush. It would run a few steps, stop & look and then if it did not see any likely food it would run on. Last night I set out 73 traps on the flat NE of camp. The area where the traps were set was characterized by scattered saltbush and other small plants. I caught the following: Perognathus parvus 1̸ Perognathus longimembris 1̸ Microdipodops pallidus 1̸ Eutamias minimus 2̸-Adults 2̸ young Dipodomys microps(?) 1̸ 1̸ Citellus mollis 1 The immediate habitats of the species mentioned will be found in their respective species accounts. Last night at dusk I shot a bat which was flying over the alfalfa field. As the alfalfa