Life history of the kangaroo rat : Dipodomys spectabilis spectabilis Merriam . e; soil sandy; burrow photographed in section (PI. VII, Fig. 1). Species stored. Grams. Bouteloua rothrockii 2. 205 Bouteloua aristidoides (B. eriopoda and B. rothrockii, Tr.) Plantago ignota 442 Eriogonum polycladon 35 Total 4,127 Four species of plants represented in burrow contents (PL VII, Fig. 2).Maximum quantity for single burrow in series of 22 from Range Reserve. Den 2. March 9. 1918. Surroundings overgrazed and partially restored by completeprotection. Red soil, with much coarse rough gravel and ston
Life history of the kangaroo rat : Dipodomys spectabilis spectabilis Merriam . e; soil sandy; burrow photographed in section (PI. VII, Fig. 1). Species stored. Grams. Bouteloua rothrockii 2. 205 Bouteloua aristidoides (B. eriopoda and B. rothrockii, Tr.) Plantago ignota 442 Eriogonum polycladon 35 Total 4,127 Four species of plants represented in burrow contents (PL VII, Fig. 2).Maximum quantity for single burrow in series of 22 from Range Reserve. Den 2. March 9. 1918. Surroundings overgrazed and partially restored by completeprotection. Red soil, with much coarse rough gravel and stone. Species stored. Grams. Bouteloua rothrockii (nearly pure) 1,460 Bouteloua rothrockii (mixed with Aristida spp.) 945 Boerhaavia wrightii 660 Bouteloua rothrockii . Bouteloua aristidoides 595 Aristida divaricata Aristida bromoides . Kallstroemia laetevirens Tr. Heterotheca subaxillaris Tr. Plantago ignota _ 15 Fleshy fungi 10 Total 3,615 Eight species of plants represented by seeds. One species of fleshy fungusin addition. Bull. 1091, U. S. Dept. of Agriculture. Plate Fig. I.—Den Excavated on Range Reserve. Vertical section through Den Xo. 1, of Table 1 (p. 20), showing the complex system of bur-rows, some of them plugged with closely packed storage (outlined in white), the depth of theden .and the widened chambers centrally located.
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwashi, bookyear1922
