INDEX. 



135 



Stalaginium, 84. 

 Stenocisma, 16, 10. 

 Streptorhyachus, 24. 



occidentalis, 25. 



pectiniformis, 25 



pyramidalis, 25. 

 Striarca, 88. 

 Strophalosia, 22. 

 Strophomena, 22, 23. 



Woolworthana, 26. 

 Strophomenidse, 23. 

 Subclymenia, 64. 

 Suessia, 16. 

 Syncyclonema, 48. 

 Syringites, 110. 



Tamarindiformis, 85. 

 Taualia, 114. 

 Tancredia, 95. 



? xquilateralis, 96. 



Warrenana, 96. 

 Tancrediidee, 95 

 Taphius, lOT. 

 Temnocheilus, 64. 

 Terebratula, 11. 



acuta, 10. 

 Terebratulites, IT, 70. 

 Tetrabranchiata (Jurassic), 116. 

 Tetrabranchiata (Permian), 63. 

 Teudopsis, 118. 

 Tlialamus, 124. 

 Theca, 5. 



aculeata, 5. 



gr eg aria, 5. 



lanceolata, 5. 

 Tliecalia, 34. 

 Thecosmata (Potsdam Period), 



4. 

 Theodoxus, 108. 

 Theora, 36. 

 Thracia, 36. 

 Thracia, 101. 



? arciiata, 102. 



pubescens, 101. 



? sublsevis, 102. 



Toxoceras, 118. 

 Trachyderraia, 127. 

 Trapezium, 34. 

 Trematodiscus, 64. 

 Trematospira, 16. 

 Tridonta, 93. 

 TrigonelUtes, 118. 

 Trigonia, 82. 



aliformis, 82. 



clavellata, 82. 



Conradi, 83. 



costata, 83. 



louga, 83. 



navis, 82. 



pectinata, 83. 



quadrata, 82. 



undulata, 83. 

 Trigonatae, 103. 

 Trigonella, 70. 

 Trigoniidae, 57. 

 TrigoniidsB (Jurassic), 82. 

 Trigonocephalus, 6, 8. 

 Trigonotreta, 16, 17. 

 Trigonotreta, 19. 

 Triquetra, 91. 

 Tritogonia, 91. 

 Trochidse, 45; 

 Trochoceras, 64, 

 Trochotoma, 45. 

 Tropidina, 112. 

 Tropidoleptus, 23. 

 Truncilla, 91. 

 Tubicola (Jurassic), 126. 

 Turbiuites, 100. 

 Tubulus, 110. 

 Tulotoma, 114, 115. 

 Tyleria, 36. 



U. 



Uncites, 16. 

 Unio, 92. 



nucalis, 113. 



nucalis, 92. 



phaseolus, 61. 

 Unionidae, 90. 

 Unionites, 100. 

 TJniouium, 79. 

 Uniopsis, 91. 



V. 



Vaginella, 5. 

 Valvata, 112. 



cristata, 112. 



piscinalis, 112. 



? scabrida, 113. 



triearinata, 112. 

 Valvatidse, 111. 

 Valvearius, 112. 

 Yanuxemia, 29, 88. 

 Velates, 108. 

 Venericardia, 34. 

 Venus daumouieusis, 93. 

 Verticordia, 57, 84. 

 Verticordius, 84. 

 Vivipare, 114. 

 Vivipara, 114. 

 Viviijaridse, 113. 

 Viviparus, 113. 

 Viviparus, 114. 



Gilli, 115. 



lineatus, 115. 

 Vola, 48. 

 Volsella, 84. 

 Volsella, 85. 



cancellata, 87. 



formosa, 86. 



pertenuis, 86. 

 Vortex, 106. 



W. 



Woodia, 34. 



X. 



Xiplioteutliis, 124. 



Yoldia, 60. 



? subscitula, 60 



Zygospira, 16. 



