Ixxiv 



THE PALEONTOLOGY OF MINNESOTA. 



Tetradium peachii, 80. 



var. canadensis, 80. 

 Tetragonis, 61. 

 Textilana triseriuta, 32. 

 Textularia, 29, 28, 31. 



agglutinans, 3O, 52. 



americana, 29. 



attenuata, 30. 



corinata, 3O, 52. 



var. attenuata, 30. 



globulosa, 29, 52. 



lacera, 30. 



missouriensis. 29. 



turris, SO, 52. 

 Textularidae, 29. 

 Textularianae, 29. 

 Thamniscus, 106, 111, 215. 

 Thamnotrypa, 106. 

 Thecidium, 335. 

 Tiliaceas, 5 

 Tissue, vesicular, 98. 

 Todae, 5. 

 TremaMla, 228, 264, 309. 



annulate, 229. 



corticosa, 265. 

 Trematis, 367, 361, 368, 371. 



filosa, 370. 



huronensis, 368*. 



millepunctata, 368. 



ottawensis, 369*, 367. 



punctostriata, 367. 



quincuncialis, 368. 



terminalis, 368, 362, 337. 



umbonata, 367-. 

 Trematopora, 308, 107,206, 289, 290, 302, 309. 



corticosa, 265. 



echinata, 265. 



nitida, 308. 



ornata, 310. 



primigenia, 3O9, 308, 310. 

 var. ornata, 31O. 

 var. spinosa, 31O. 



tuberculosa, 308. 

 Trematoporidffi, 107, 289, 290. 

 Trematospira quadriplicata, 459. 

 Trenton shales, Bryozoa, 96. 

 Trepostomata, 214, 96, 98, 100, 105, 106, 108-111, 



168, 206, 207. 235, 277, 289, 298, 313. 

 Trianisites Clifford!, 246. 

 Trias, flora, 2. 

 Triassic Bryozoa, 111. 

 Trigonodictja, 160,145, 147, 148. 



conciliatrix, 16O, 284. 



eatonensis, 160. 

 Trimerella, 354. 

 Trimerellidae, 354, 357. 

 Trinucleus concentricus, 362. 

 Triplecia, 4O8, 409. 



cava, 408. 



extans, 409. 



nucleus, 409. 



radlata, 409, 408. 



sporiferoides, 409, 408. 



ulrichi, 4OO*. 

 Trochammina, 28. 



inflata, 28, 52. 



squamata var. inflata, 2S. 

 Trocharuminie, 28. 

 Tropidopora, 106. 

 TruncatuUna budensis, 4o. 

 Tubuli, median, 98, 104; spiniform, 98. 

 Tubuliporid;?, 107. 



Uliuannia, 2. 

 Ulodendron, 2. 

 Unio, 53. 



dan as, 53. 



subspatulatus, 53. 

 Unitrypa, 106, 109, 110. 

 Urgonian, flora, 3, 5. 

 Uvigerina, 39, 28. 



asperula, 39, 52. 



canariensis, 39, 52. 



farinosa, 39. 



gracilis, 39. 



hispid", 39. 

 - irregularis, 39. 



nodosa, 39 



orUgniana, 39. 



procidea,'39. 



urnula, 39. 



Valchia, 2. 



Valve, dorsal or brachial, 335. 



ventral or pedicle, 335. 

 Ventral (pedicle) valve. 335. 

 Verneuilina, 32, 28. 



pygmaea, 32, 52. 

 Vesicular tissue, 98. 

 Vesicularia, 112. 

 Vibracula, 97. 

 Vinella, 112, 107, 109, 113. 



radialis, 113*. 115. 



radiciforiuis, 114. 



var. conferta, 113*, 114, 115 



repens, 114. 



Viviparus raynoldsanus, 53. 

 Volzia, 2. 



Waldheimia bicarinata, 472. 



mawii, 472. 

 Wandrohrchen, 98. 

 Wandstrftnge, 98. 

 Wealden, flora, 3, 2, 5, 7. 

 Worthenopora, 105, 111. 

 Worthenoporida3, 105. 



Zamieae, 3. 

 Zoantharia, 83 

 Zoariutn, 98. 



method of growth, 102. 



various kinds, 102, 103. 

 Zocecial covers, 98, 104. 

 Zocecium, 98. 

 Zygospira, 46o, 466, 470. 



anticostiensis, 466. 



aquiltt, 474. 



