INDEX. 
359 
Orthis (Schizophoria), 
Orthisina, 
Orthisina, . 
Orthostrophia, 
Orthothetes, 
Orthothrix, 
Orthotichia, 
Ostracites, 
Palacmsea ?, 
Palseocrania, . 
Patella, . 
Patellites, 
Paterula, . 
Pentamerus, . 
Pharetra, . 
Pholidops, 
Pholidostrophia 
Pinna, 
Plsesiomys, 
Platystvophia, 
Plectarabonites, 
Plectambonites, 
Plectorthis, . 
Pleuro tom aria, 
Plicatula, 
Polytoechia, 
Porambonites, 
Porambonites, 
Proboscidella, 
Producta, 
Productella, . 
Productella, 
Productus, 
318, 319 
Productus, 
Pronites, 
Pronites, . 
Protonia, 
Protorthis, 
Pseudocrania, 
Pyxis, 
Rafmesquina, 
Rhinobolus, . 
Rhipidomella, 
Rhipidomys, 
Rhynobolus, 
Richthofenia, 
Rcemerella, . 
Scenidium, 
Schizambon, , 
Schizobolus, 
Schizocrania, 
Schizopholis, 
Schizophoria, 
151, 152, 155, 156,157, 15 
. 196,2 
200, 202, 2 
220, 236, 250, 293, 294, 29 
297, 298, 299, 300, 302, 30 
1, 315, 318, 325, 328 
220, 263, 280, 297, 301 
325, 330, 331, 332, 334 
186, 276, 314, 317 
281, 282, 
2, 42, 43, 44, 45, 46, 50, 5 
110, 212, 219, 220, 2i 
. 218, 241, 242 
, 113, 114, 116, 167 
79, 87, 89, 140, 165 
131, 132, 140, 142, 144 
29, 93, 94, 95, 96 
211, 212, 213, 214,'219, 
PAGE. 
Schizotreta, . 116,120,125,128,131,135,136, 140 
144,158, 168 
73, 80, 83, 165, 167, 337 
108, 109, 110, 111, 112, 114, 115, 119 
140, 166, 167, 168 
Skenidium, . . . . . 241, 247 
Spirifer.201 
Spirifer, . . 186, 187, 200, 201, 204, 214, 261, 269 
Spirifera, . 201, 211, 253, 272 
Spondylobolus, . . . ' k l, 80, 85, 108, 164 
Spondylus, 
Stenoschisma, 
Stenotheca, s. g. Parmorphorella, 
Streptis,. 270, 271,273, : 
Streptis, 
Streptorhynchus, 
Streptorhynchus, 
Stricklandinia, ...... 
Strophalosia, . 3 14,315,316,319,320,330 
Strophalosia, ...... 319 
Stropheodonta, . . 220, 258, 282, 284, 286, 287, 288 
292, 307 
Strophodonta, ... 47, 136,185, 281 
Strophomena, . 197, 220, 245, 246, 218, 250, 251 
255, 262, 279, 282, 286, 291 
Strophomena, . . 47,187, 196, 253, 276, 277, 25 
285, 286, 314, 321 
. 245, 246, 248 
136, 191, 220, 279, 282, 21 
291, 292, 296 
214 
Strophonella, 
Syntrielasma, 
Terebratula, 
Terebratula, . 
Terebratulina, . 
Terebratulites, 
Thecidium, 
Thecospira, . 
Tomasina, 
Trematis, . 67 
Trematis, . 
Trematis 7, 
Trematis ( Schizocrania ) 
Trematospira 7, 
Trulacna, 
Trimerella, 1, 21, 25, 28 
46, 47, 48, 49, 
Trimerella, 
Trimerella 7, . 
Triplecia, 
Triplesia, 
Tropidoleptus, . 
Tubifex, 
Ungula, 
Ungulites 
Volborthia, 
Waagenia, 
Waagenella, 
Waldheimia, . 
131, 132, 138, 140, 141, 168 
204, 211,214, 269, 321 
369, 270, 271, 273 
