MOUNTAIN TREES 



gent bark to produce vomiting and to 

 check hemorrhage of the lungs. 



About the bases of the alders and up 

 in the oaks and willows you will find 

 the conspicuous stick houses of the 

 Mohave wood rats (Neotoma fuscipes 

 mohavensis) . They consist of dead and 

 brittle sticks put together into steep 

 stacks. Perhaps if you will poke into 

 them gently with a stick the dainty 

 brown-footed creatures will run out of 

 their hiding and show you what clever 

 tree sealers they are. 



Sharing these nests of the wood rats 

 are curious little beetles found nowhere 

 else in the world. They are probably 

 welcome guests since they live on the 

 refuse of the nest. They are worthy of 

 further study. 



Often on the trunks of alders, wil- 

 lows and pine, and fir saplings are found 

 rectangular, up and down incisions with 

 narrow strips of bark between. These are 

 made by the Sierra Sap-suckers. From 

 the lower ends of the newly-made 



79 



