índice de los géneros y especies. 



Acantboceras Mantelli 40. 



— Kotomagense 35, 40, 55. 



Adeorbis 141. 

 Alectryonia oarinatii 101^-105. 



— Mairuui 105-106. 

 Anialtheus 67. 



Ammonites acutocarinatus 65, 66. 



— bajuvaricus 77. 



— Belknapi 71. 



— Leonensis 77. 



— Marciana 66. 



— pemvianus 49, 65, 66, 68, 72, 73. 



— Roissyi 49. 

 Aporrhais 17. 



Aspidoceras acaiithicuiii 35 nota 1. 

 Avíenla Pedeinalis 51, 52, 53, 84-85. 



Caprinida' 52. 



Caprinula 52. 



Cardioceras altenians 35 nota 1. 



Cardita alticostata 126. 



— altico.sta 126. 

 Arivechensis 126. 



— Guerangei'i 54, 55, 126. 



— Posada? 51, 52, 54, 55, 126-127. 

 Cardiuní 128, 131. 



— bellum 129. 



— biseriatuní 129. 



— Budsense 132. 



— congestum 128. 



— filosum 130. 



— Hillanum 21, 22, 24, 26, 28, 29, 32, 34, 



37, 39, 40, 51, 52, 54, 55, 56, 129-131. 



— Hillanum var. nioabitica 129. 



— — var. Umkwelanensis 130. 



Cardiuní multistriatuní 129, 130. 



— Muñozi 51, 52, 54, 131-132. 



— órbita 131. 



— proboscidcum 132. 



— productum 132. 



— sabiilosuní 132. 



— Santi-Sabai 138. 



— subcoHgestuní 51, 52, 54, 128. 



— te.xanum 16, 17, 129, 130. 

 Ccelosniilia Chibuahuensis 51, 53. 



— texana 21, 32, 51, 53. 

 Corbis Ringmerensis 55, 127. 



— Roblesi 51, 52, 54, 55, 127-1-28. 



— rotundata 54, 55, 127, 128. 



— striaticcstata 128. 

 Corbula occidentalis 149. 

 Cyphosoma 157. 



— niajus 159 nota 3. 



— volanuní 159. 

 Cytberea Burkarti 51, 52, 54, 132-133. 



— Laniarensis 133. 



D 



Dalliconcha 86, 87. 



— invaginata 86. 

 Diplopodia Malbcsi 157.' 



— Streeruwitzi 157. 



— texana 17, 157. 



— variolaris 39, 155-157. 



— variolis 157. 



E 



Enallaster 36, 55, 56. 



— Bohmi 171. 



— Bravoensis 24, 26, 28, 29, 32, 39, 40, 



168-172. 



