184 



índice. 



Enallaster Delgadoi 54, 55, 165, 168, 171 > 



— lepidus 39, 40, 171. 



— mexicauus 51, 53, 54, 55, 165-166. 



171, 172. 



— obliquatus 21, 32, 37, 51, 53, 54, 165. 



— texanus 17, 51, 53, 54, 55, 165, 166- 



168, 170, 171. 



— texasus 166. 

 Engonoceras 54, 55. 



— coinplicatum 179. 



— G. Stolleyi51, 52, 53, 81-82, 83, 179. 



— 11. f. cfr. Vibrayeaniim 54. 

 Pedernale 51, 52, 53, 54, 55, 83-83. 



— pierdeiiale 82, 83. 



— serpentinuní 84. 



— sp. ind. 51, 52, 53, SS-84. 



— Thomasi 82 nota 1. 



— Toussaiiiti 82 nota 1. 

 Epiastei- 172, 173, 174. 



— Aguileras 24, 32, 40, 173-175. 



— elegans 17, 172, 173. 



— trigonalis 40, 174. 

 Exogyra 22, 36, 37, 103. 



— arietina 27. 



— Boussingaiilti 114, 115. 



— Clarki 27, 116, 117. 



— columbella 116, 117. 



— costata 115, 118, 119. 



— — var. fluminis 115, 117. 



— ferox 116, 117. 



— flabellata 35, 36, 54, 112, 114. 



— Fourneli 119 nota 1. 



— fragosa 16, 115, 117, 118. 



— Iseviuscula 115, 116, 117. 



— Matheroniana 16, 112, 114. 



— Overwegi 119. 



— oxyntas 119. 



— plicata 112. 



— ponderosa 16, 18, 26, 27, 28, 29, 32, 34, 



40, 41, 42, 43, 44, 45, 59, 115-120, 177. 



— ponderosa var. Clarki 115-lSO. 



— pseudo-africana 40, 118. 



— tamúlica 119. 



— te.xana 16, 17, 19, 20, 21, 22, 32, 34, 



35, 36, 37, 38, 39, 44, 50, 51, 52, 53, 

 54, 56, 57, 59, 112-115, 172, 173 nota. 



— Walkeri 119. 



F 



Fimbria coarctata 127. 



G 



Gauthiericeras 79, 80. 



— Eoquei 79. 

 Gervilleia 86, 87. 



— augusta 87. 



— aviculoides 87, 88. 



— ensiformis 86, 87. 



— Forbesiana 87, 88. 



— Harmanni 87. 



— invaginata 86. 



— pernoides 87. 



— polyodonta 87. 



— solenoides 25, 32, 38, 39, 86-88. 



— subaviculoides 88. 



— tetragona 87. 

 Gervilliopsis 87. 



— invaginata 17. 

 Globiconcha elevata 145. 



— túmida 144. 

 Granocardium 131, 132. 

 Gryphaja 22, 37. 



— Burckhardti 112. 



— capuloides 111. 



— corrugata 108. 



— dilatata var. Tucumcarii 109. 



— forniculata 17. 



— Marcoui 108. 



— mucronata 108. 



— navia 19, 20, 21, 22, 23, 32, 36, 39, 51, 



52, 53, 54, 106-107, 109, 110. 



— Pitcheri 24, 35, 38, 51, 103, 107, 108, 



111, 112. 



— Pitcheri var. mucronata 103, 110, 111, 



112. 



— Pitcheri var. Tucumcarii 19, 20, 21, 22, 



32, 36, 105, 108, 109-110, 112. 



— Pitcheri var. Washitsnsis 24, 25, 26, 



32, 89, 103, 108, 110-112. 



— plicata 115. 



— Rocana 112. 



— Rothi 112. 



— Tucumcarii 17. 



— vesicularis 111, 112. 



— — var. judaica 111. 

 vesiculosa 35, 36, 38, 39, 111. 



— Washitsensis 17, 108. 



H 



Helicocryptus 141. 



— mexicanus 26, 32, 39, UO-Hl. 



— ornatus 141, 



