440 



INDEX. 



Rhadinomyces cristatus, 180. 



pallidus, 180. 

 Russelia subcoriacea, 113. 



S. 



Sabazia subnuda, 108. 

 Salts, Cupriammonium Double, 217 

 Salvia clinopodioides, 114. 

 Samarskite, oxides contained in, 



260. 

 Samarskite oxides, relations to Acid 

 Molybdates, and to Phospho- 

 tungstates and Phospho-mo- 

 lybdates, 278. 

 Samia cynthia, the life history of, 74. 

 recapitulation of the more sa- 

 lient ontogenetic features of, 

 78. 

 comparison between the larva 

 of Callosamia and, 78. 

 Saponaria, 129. 

 vaccaria, 129. 

 officinalis, 129. 

 Saturnia, 55. 



carpini, 55, 56. 

 galbina, 55. 

 mendocino, 55, 56. 

 pyri, 56. 

 Saturniidaa, studies on the trans- 

 formations of moths of the 

 family, 55. 

 Saturniinse, 58. 

 Schkuhria glomerata, 109. 

 Sedum Pringlei, 105. 

 Senecio alien us, 110. 

 Jaliscana, 110. 

 Orizabensis, 121. 

 procumbens, 115. 

 Silene, 130. 



acaulis, 132. 

 antirrhina, 132. 

 Armeria, 132. 

 Baldwinii, 134. 

 Bernardina, 142. 

 Bridgesii, 139. 

 Calil'ornica, 136. 

 campanulata, 137. 

 Cucubalus, 133. 

 dichotoma, 131. 

 Douglasii, 144, 115. 

 ' Gall'ica, 130. 

 Grayii, 143. 

 Ilaliii, 145. 

 Hookeri, 137. 



Silene laciniata, 135. 



Lemmoni, 138. 



longistylis, 138. 



Luisana, 141. 



Lyallii, 144. 



Menziesii, 137. 



Montana, 140. 



multinervia, 131. 



nivea, 133. 



nocti flora, 131. 



nocturna, 131. 



occidentalis, 140. 



Oregona, 140. 



ovata, 133. 



Palmed, 138. 



Parishii, 137. 



pectinata, 139. 



Pennsylvanica, 134. 



platyota, 141. 



Pringlei, 146. 



purpurata, 141. 



regia, 135. 



rotundifolia; 135. 



Sargentii, 142. 



scaposa, 145. 



Scouleri, 146. 



Spaldingii, 146. 



stellata, 133. 



Suksdorfii, 143. 



Thurberi, 139. 



verecunda, 141. 



Virginica, 134. 



AYatsoni, 143. 



Wrightii, 136. 

 Sileneae, North American, 124. 

 127. 



Agrostemma, 125, 152. 



Dianthus, 125, 127. 



Gypsophila, 125, 128. 



Lychnis, 125, 147. 



Saponaria, 125, 129. 



Silene, 125, 130. 



Tunica, 125, 128. 

 Silver, pure, preparation of, 22. 

 Spiranthes aurantiaca, 115. 

 Steam, weight of, 38. 

 Steam-Engines, a thermo-electric 

 method of studying cylinder 

 condensation in, 37. 

 Steam temperature, an approximate 

 trigonometric expression for 

 the fluctuations of, in an en- 

 gine cylinder, 51. 

 Stevia laxa, 107. 

 Stipulicida, 155. 



setacea, 155 



