602 



GENERAL INDEX. 



Snow fall of, 76, 77, 187. 



in relation to electricity, 528. 

 Spirifer, cameratus.var. Kansasensis, 

 409; var. percrassus, 409. 

 clarus, 86. 



increbescens, var. Ameri- 

 cana, 410. 

 Kellogii, 86. 

 Kentuckensis, 409 ; var. pro- 



patulus, 409. 

 Keokuk, var. Shelby ensis, 



410. 

 latior, 86. 



Leideyi var. Chesterensis, 

 409 ; var. Merimacensis. 

 410. 

 Lineatus, 408 ; var. perplexa, 

 408 ; var. striato-lineatus, 

 408. 

 translatus, 85. 

 Spirifera Oregonensis, 108. 

 Spirigera Americana, 89. 



caput-serpentis, 90. 

 Clintonensis, 89. 

 euzona, 91. 

 formosa, 91. 

 Plattensis, 87. 

 pectenifera, 88. 

 reflexa, 88. 

 Singletonii, 87. 

 Straparollus magnificus, 110. 



Straparollus valvataformis, 105. 

 Symbolism (intellectual), 226. 



Temperature, 17, 66, 70, 164, 222, 

 226, 232, 238, 242, 

 246, 249, 264, 287, 

 526. 

 in relation to electri- 

 city, 115. 

 diagram of, 298. 

 Terebratula arcuata, 83. 



brevilobata, 84. 

 gracilis, 83. 

 parva, 83. 

 Time and space, 226. 

 Thoughts on matter and force, 299. 

 Thunderstorms, 153, 157, 294, 416. 

 in relation to elec- 

 tricity, 529. 

 Topaz in Utah, 114. 



Vanilla bean, 557. 



Viburnum, fruit and seed of, 269. 



Waves of atmospheric pressure on 



the Great Northern Lakes, 185. 

 Winds, 16, 67, 288. 



in relation to electricity, 116, 



530. 



Yucca angustifolia, 121. 



