ted-bud, 151. 
Regulus calendula, 132. 
satrapa olivaceus, 132. 
Reithrodontomys hlamathensis, 16,93. 
Rhamnus californica, 154. 
rubra, 154. 
Rhododendron albitlorium, 82. 
Rhus trilobata, 152. 
Ribes amictum, 148. 
eereum, 148, 
erythrocvarpum, &2. 
klamathense, 148. 
lacustre, 82. 
viscosissimum, 148. 
Robin, western, 133. 
Rock slopes, 25-26. 
Rose, California, 150. 
wild, 150. 
Rosa californica, 150 
gymnocarpa, 150. 
Rabus lasiococcus, 82. 
nutkanus, 150. 
parviflorus, 150, 
vitifolius, 150. 
Savebrash, true, 53, 165, 
Sagina saginoides, 145. 
Salix barelayi, 80. 
lasiandra, 141. 
nuttalli, 141. 
sitchensis, 141. 
Salpinctes obsoletus, 130. 
Sambucus melanocarpa, 164, 
Sandpiper, spotted, 110, 
western, 110. 
western solitary, 110. 
Sapsucker, redbreasted, 115. 
Williamson, 116. 
Sarcodes sanguinea, 157. 
Saxifrage, alpine rock, 147. 
giant water, 148. 
Saxifraga bryophora, 147. 
nivalis, 80. 
punctata, 80. 
toliniei, 147. 
Sayornis saya, 117. 
Scapanus alpinus, &1. 
californicus, 88. 
Sciuropterus alpinus klamathensis, 92 
Sciurus albolimbatus, 91-92. 
californicus, 91. 
douglasi cascadensis, 81. 
fossor, 92. 
Scolecophagus cyanocephalus, 122. 
Scutcllaria nana, 161, 
Selasphorus rufus, 117. 
Senecio canus, 1k, 
trigonophyllus, 167. 
sServiceberry, 150. 
Sewellel, 92-93. 
Shasta, avalanches, 26, 27. 
basin slopes, 52. 
birds, 109-134. 
canyons, 21-22. 
effects of burns, 47. 
effects of scanty moisture, 19-20. 
forest fires, 46-47. 
21753—No. 16—23 
INDEX. 
Shasta, forests, 10-46, 
general features, 17-18. 
glacial basins, 20-21. 
life zones, 52-68. 
mammals, 87-108. 
plants, 135-169. 
rock slopes, 25-26. 
streams, 23-24, 
Sleep, mountain, 1038. 
Shoveller, 109. 
Shrew, Monterey, ss. 
Shasta, 87. 
Sierra, 87. 
white-bellied water-, 88. 
Shrewinole, large, 88. 
Shrike, white-rumped, 128. 
Sialia arctica, 133-134, 
mexicana occidentalis, 133. 
Sibbaldia, alpine, 150. 
Sibbaldia procumbens, 150. 
Silene acaulis, 82. 
hernardina, 81. 
enlifornica, 81. 
wrayi, 145. 
suksdorfi, 146. 
Siskin, pine, 124. 
Sisyrinchium bellum, 141. 
Sitanion cinercum, 139. 
Sitta canadensis, 131. 
carolinensis aculeata, 131. 
pygmara, 131. 
skulleap, dwarf, 161. 
skunk, large, 105. 
little spotted, 105. 
| Slope exposure, 47-51. 
Slopes, basin, 52. 
elect of steep, 51. 
Smelowskia, su. 
Cazes p aifornia, 140. 
SRR itornicn, 140. 
Snipe, Wilson, 109. 
Snowberry, 1fd. 
mountain, 164. 
Snow bush, 153. 
Snow plant, 157. 
Solidazo elongata, i68. 
Solitaire, Townsend, 132-133. 
Sorbus occidentahs, 82. 
sambucifolia, 150. 
Sorex (Atophyrax) bendirei, 8L. 
mountereyensis, 88. 
(Neosorex) navigator, 88. 
vbscurus, 81. 
shastensis, 16, 87. 
vagrans amcenus, 87. 
Sorrel, alpine, 144. 
Sparrow, Lincoln, 126. 
mountain song, 125. 
thick-billed, 126, 
Townsend, 126. 
western chipping, 125. 
western lark, 125. 
western siuvanna, 124. 
white-crowned, 125, 
Spatula clypeata, 109. 
Speotyto cunicularia hy pogaa, 114. 
Spermophilus beldingi, 81. 
Li? 
