a 
INDEX. Zot 
Theory of Morphological Equivalence, viii, 21, 28. 
Theory of Radicals, 21, 28. 
Three Modes of Development, 37. 
Thysanura, 45. 
Thysanuriform larve, 9 note. 
Tilibichi, 86. 
Tingo, 153. 
Tirolites, 24, 124. 
Toulon, 114. 
Tmegoceras, 125. 
Tmegoceras latesulcatum, 125. 
levis, 125. 
Transitional Radicals, 3. 
Trachyceras aon, 22 note. 
Trigonoceratidee, 80. 
Trocholites, 35. 
Tropical Homozoic Band, 87. 
Tropites, 22 note, 24. 
Tropites Campigliensis, 154 note. 
discretus, 154 note. 
Jokeyli, 154 note. 
ligusticus, 154 note. 
subbullatus, 154 note. 
ultratriasicus, 157 note. 
Tuberculatus Bed, 102, 104, 105, 119, 144, 199, 213, 
215. 
Tuberculatus Horizon, 95, 98, 99, 100, 213. 
Tiibingen, 94, 96, 101, 130, 132, 189, 143, 152, 158, 
163, 179, 182, 191, 206, 214. 
Tubularia, 45. 
Turneri Bed, 159. 
Turrilites, 28, 33. 
Turrilites Boblayi, 31, 
Coynarti, 31. 
Valdani, 31. 
Typembryo, 8, 14, 18, 49, 52. 
Types, Cryptogenous, 117. - 
Law of Evolution in, 16 note. 
Tyrolites, 22 note. 
Uhlig, 33 note. 
Unionide, 118. 
Unit of Classification, 55. 
United States, 86, 87. 
Uphill, 92. 
Upper Bucklandi Bed, 81, 95, 98-101, 108, 105, 107, 
108, 139, 165, 188, 197, 206. 
Vaeck, 84. 
Vaihingen, 152, 143, 156, 157, 176. 
Vancouver’s Island, 86, 87, 118. 
Variation, 87, 89. 
Law of, x. 
Origin of, 48. See also Cope and Differentials. 
Veliger, 8, 14, 18. 
Vermetide, 118. 
Vermiceran Branch, 136, 
Series, 61, 112. 
Vermiceras, 33, 34, 48, 54-57, 59, 60, 65, 70 note, 72, 
74, 75, 81, 82, 84, 95, 96, 106, 107, 1138, 114, 116, 
136, 140, 146, 149, 151, 154, 156, 161, 162, 172. 
Vermiceras Bonnardi, 158. 
Bonnardi, Wright, 159. 
Carusense, 141. 
Conybeari, 21, 25, 61, 72, $1, 95,,96,.115, 150, 
155, 157, 159, 160, 161, 166, 168, 172, 175, 
188, 194, 209. 
Hierlatzicum, 95. 
ophioides, 72, 73, 81, 87, 156, 160. 
spiratissimum, 57, 59, 61, 72, 81, 95, 96, 141, 
147, 158, 159, 160. 
prespiratissimum, 96. 
Vienna, 86. 
Von Buch, 29, 32, 49. 
Von Jhering, 10. 
Von Rath, 115. 
Voleano, 172. 
Vortices in Evolution, 108. 
Vosges, 118. 
Waagen, 4, 21, 27, 28, 33 note, 50 note, 51, 87, 88, 90. 
Weehneroceran Series, 57, 58, 79, 93. 
Wehneroceras, 7, 54, 57, 71, 80, 98, 118, 118, 120, 125- 
127, 129, 181, 1384. 
Weehneroceras anisophyllum, 127. 
circacostatum, 58, 127. 
curviornatum, 57, 58, 127. 
diploptychum, 127. 
extracostatum, 57, 127. 
euptychum, 127. 
Emmrichi, 21, 127. 
(ZEgoc.) Emmrichi, 127. 
Guidoni, 127. 
latimontanum, 127, 201. 
megastoma, 122, 127. 
Paltar, 126. 
Panzneri, 57, 127. 
tenerum, 126. 
stenoptychum, 127. 
subangulare, 126, 
Wihner, 6, 24, 57, 58, 60, 61, 85, 89, 90, 98, 95, 99, 
108-113, 120, 122-124, 126-128, 184, 189, 140, 142, 
147, 148, 1538, 154, 213. 
Waldenburg, 188, 141, 144. 
Wallegg, 89. 
Waltzing, 157. 
Warwickshire, 92, 155. 
Watchet, 121, 157. 
Westphalia, 88. 
Western Alps, 114. 
Western Europe, 56, 60. 
Weissmann, 43, 44, 47, 49. 
Wellershausen, 142, 144. 
Whitby, 121, 146, 156, 166, 167, 169, 184, 197, 201, 204. 
Whiteaves, 87. 
Whitney, viii. © 
Wiesloch, 137. 
