PALEONTOLOGICAL INDEX 



A. 



Actaeonidae, 123. 



Actinopterygii, 110. 



Acteon metanellus, 156. 



Aetobatis, 101. 



Aetobatis arcuatus, 74, 75, 102, 265. 



Aetobatis profundus, 102. 



AmpMstegina lessonii, 67, 80, 81, 257, 



316. 

 Angelus, 166. 

 Anomalina ammonoides, 63, 80, 81, 25Jf, 



316. 

 Anomalina grosserugosa, 63, 80, 81, 



25Jt, 316. 

 Anomalodesmacea, 184. 

 Anomia marylandica, 78, 79, 181, 295. 

 Anomia mcgeei, 181, 295. 

 Anomia ruffini, 187. 

 Anomiidae, 187. 

 Anthozoa, 222. 

 Aporrhaidae, 146. 

 Aporrhais potomacensis, 63, 76, 77, 



IM, 277. 

 Area onochela, 196. 

 Area rog-ersi, 196. 

 Arcidae, 194. 



Artemis lenticularis, 171. 

 Arthropoda, 74, 75, 116. 

 Aspidobranchiata, 157. 

 Astarte marylandica, 63, 72, 78, 79, 



183, 294. 

 Astartidae, 183. 

 Asterospondyli, 102. 

 Athleta tuomeyi, 130. 

 Avicula limula, 194. 



Bairdiidae, 116. 



Balanophyllia desmophyllum, 63, SO, 



81, 85, 86, 221, 313. 

 Berenicca, 206, 208. 

 Bicrisina gaudryana, 207, 208. 

 Biflustra disjuncta, 212. 

 Biflustra torta, 63, 80, 81, 2Vi, 312. 

 Brachiopoda, 78, 79, 203. 



Bryozoa, 78, 79, 80, 81, 205. 

 Buccinidae, 136. 

 Byssomj^a petricoloides, 186. 

 Bythocypris parilis, 63, 74, 75, 111, 268. 

 Bytliocypris subaequata, 63, 74, 116, 

 117, 268. 



C. 



Cadulus abruptus, 59, 66, 76, 77, 85, 86, 



87, 88, SQ, 159, 281. 

 Cadulus bellulus, 159. 

 Cadulus subcoarctatus, 160. 

 Calliostoma sp., 63, 76, 77, 151. 

 Calyptraea aperta, 59, 76, 77, 85, 86, 88, 



89, 152, 280. 

 Calyptraea aperta, 152. 

 Calyptraea trochiformis, 152. 

 Calyptraphorus jacksoni, 63, 72, 76, 77, 



U5, 277. 

 Calyptraphorus trinodiferus, 59, 65, 



76, 77, 85, 86, 88, U5, 277. 

 Calyptraphorus trinodiferus (?) var., 



76, 74, lJi6. 

 Calyptraphorus velatus, 146. 

 Calyptrophorus. See Calyptraphorus. 

 Cancellaria graciloides, 128. 

 Cancellaria graciloides var., 63, 74, 75, 



85, 86, 128, 273. 

 Cancellaria (Narona) potomacensis, 



63, 74, 75, 129, 273. 

 Cancellaria parva, 129. 

 Cancellaria ulmula, 129. 

 Cancellaria sp., 63, 74, 75, 129, 273. 

 Cancellaridae, 128. 

 Cancroidea, 116. 

 Capulidae, 152. 

 Carcharias, 109. 

 Carchariidae, 108. 

 Carcharodon, 107. 

 Carcharodon acutidens, 108. 

 Carcharodon angustidens, 108. 

 Carcharodon auriculatus, 66, 74, 108. 

 Carcharodon contortidens, 108. 

 Carcharodon crassidens, 108. 

 Carcharodon rectus, 108. 



