Index 



Tertiary faunas, of Great Basin Prov- 

 ince, 451; in America, 453; map 

 illustrating occurrences of, 437. 



Tertiary formations in Mohave area, 

 geologic relations, 444-448; palae- 

 ontologic materials, 449; mammal 

 beds, occurrence and nomencla- 

 ture of, 440, 443. 



Tertiary Mammalian Faunas of the 

 Mohave Desert, 437a-585. 



Testudinata, 455. 



Testudinate remains in Eicardo fauna, 



533. 



Testudo, genus, 455, 456, 458, 460, 

 461. 

 impensa, 461. 

 klettiana, 461. 



mohavense, 456, 533 ; figures of, 457, 



459, 460; measurements, 461. 

 pansa, 456, 461. 

 undata, 461. 

 Tetrabelodon ? sp., 471, 548; figures 



of, 547, 548. 

 Tetrabranchiata, 192. 

 Thais, genus, 177. 

 lima, 177. 



packi, 177; plate showing, opp. 224. 

 precursor, 177. 

 Thaisidae, 177. 



Theobald, W., and Blanford, H. F., 



cited, 37. 

 Thousand Creek fauna, 532. 

 Thracia, genus, 137. 



condoni, 137; plates showing, opp. 

 208, 210. 



trapezoides, 137. 

 Thraciidae, 137. 

 Tolman, C. F., Jr., cited, 3. 

 Trask, J. B., quoted, 344. 

 Triassic age possible for Franciscan 



group, 15. 

 Trochocvathus, genus, 193. 



sp. indt., 193. 

 Troehidae, 163. 

 TrocMta radians, 165. 

 Turbinolidae, 193. 

 Turbonilla, genus, 163. 



sp., 163. 



(Pyrogiseus) grippi, 164. 

 Turner, H. W., cited, 17, 349. 



Turris, genus, 189. 



altuscollus, 189; plate showing, opp. 



232. 



perissolaxoides, 190. 



sp? plate showing, opp. 228. 



thurstonensis, 190. 



(Pleurotoma) nomlandi, 189; plates 



showing, opp. 228, 232. 

 (Pleurotoma) perissolaxoides, 190. 

 (Pleurotoma) thurstonensis, 190. 

 Turritella, genus, 170. 

 blakeleyensis, 170. 



diversilineata, 170; plate showing, 



opp. 230. 

 neivcombei, 170, 171. 

 oeoyana, 128. 

 porterensis, 170, 171. 



sobrantensis, 171; plate showing, 

 opp. 230. 

 Turritellidae, 170. 

 Turritidae, 189. 

 Turton, F. E., cited, 20. 

 Tyson, P. T., quoted, 344. 

 Ural Mountains, radiolarian rocks in, 

 324. 



Van Hise, C. K., cited, 253, 384, 407. 

 Vaughan, A., and Dixon, E. E. L., 



cited, 364, 365, 396. 

 Veneridae, 141. 

 Vermes, 192. 

 Vermicularia, 172. 



?sp., 172. 

 Vermiculariidae, 172. 

 Volutidae, 184. 

 Vulcanism, 385. 

 Ward, L. F., cited, 11. 

 Washington, Franciscan group in, 6, 



240; radiolarian cherts in, 314. 

 Weithofer, A., cited, 574, 575. 

 West Coast Oligocene fauna of, 54- 



56; literature pertaining to, 57- 



72. 



Whitney, J. D., quoted, 346, 347. 

 Yoldia, genus, 125. 

 cooperi, 125, 126. 



tenuissima, 124, 125, 126; plate 

 showing, opp. 208, 210. 

 cf. oregona, 126. 

 oregoni, 126. 

 Zygophiuroida, 193. 



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