INDEX OF GENERA AND SPECIES. 



279 



Page. 



Arcopagella mactroides 70, 100 



Arcopagia 215, 216, 217, 218 



ni(-dialis HIS, 216 



texana. ■- 218 



unda air 



Arenicolites ? 261 



Arethnsiana 190 



americana 190 



Arionellus 28, 186, 259 



(Crepicephalus) oweni 588 



pustulatua 186 



tripunctatus 339 



Arrhoges 102 



Articulala 31, 35, 46, 55, 56, 58, 59, 74, 79, 80, 81, 



84, 91, 105, 108, 109, 135, 136, 

 138, 144, 153, 159, 105, 200, 261 



Asaphisciis 129 



wheelcri 129 



Asaphus 79, 91, 185, 186, 191, 248 



barrandi 58313 



caribouensis 191 



? curiosa 191 



emorj'i 333 



homalouoloides 186 



(Isotelus) iowensis 250 



megistos 79 



vigilans 65, 91 



(Megalaspis ?) goniocercus 76 



romiDgeri 185 



■wisconaensis 185 



Asiphonida 266 



A starte 30, 34, 164, 207, 208, 209, 218, 236, 262, 



203, 266, 271 



arctata 307 



? arenoaa 336 



castanella 371 



engonata 307 



evansi 263 



?fragilis 33,34,262 



gemma 334, 225 



gibboaa 51 



gregaria 15 



inomata 33, 34 



lintea 308 



lucinoides 309 



minntisaima 220 



mortonenaia 51 



mucronata 308 



nebraacenaia 51 



orientalia 307 



packardi 164, 180 



parva 220 



pervetua 307 



planimarginata 371 



subcordata 309 



aublineolata 308 



ayriaca 307 



texana 318 



unduloaa 308 



vallianerianua §1 



ventricoaa 30 



veta 266 



waahitenaia 355 



Aatartella 90,144,165 



? 90 



Page. 



Aatarti'lla gnrleyi 144, 165 



newberryi 90 



varica 90 



astartidsB 260, 268, 270, 271 



Aatartila 334, 225 



1 corpuleiita 335 



cyclas 334, 225 



cyprina 334, 225 



cytherea 334, 225 



intrepida 334, 225 



polita 334,225 



transversa 334, 225 



Astereidea 26 



Asteriaa 260, 261 



dubium 360,261 



Aateridse 24 



Aateroidea 40, 44, 60, 61, 78, 260, 261 



Astiieoapongia 58 



hamiltonensia 41, 58 



Aatrea fungiformis 247 



? gigaa 347 



mamiUaris 347 



Aatrodapaia. 315, 217 



antiselU 316,217 



Aatylospongia 56, 192 



?carbonaria 41 



? ? christiani 56 



piiBmorsa 91 



Athyris 24, 43, 72, 85, 89, 92, 94, 100, 148, 178, 193, 



196, 235, 245, 273 



angelica 193 



clay toni 335 



craaaicardinalia 1 16 



hirauta 196 



lamellosa 89 



parviroatra 34 



perainuata 109 



planoaulcata 43, 335 



roissyi 109 



aubquadrata ? 235 



subtUita ... 52, 72, 85, 92, 94, 109, 178, 245, 246 



vittata 148 



Atlantida 121 



Atry pa 58, 62, 94, 108, 148, 193, 247, 248 



? 274 



aapera 58,62,94 



comia 350 



deaqaamata 193 



limitaris ? 247 



lingiilata 373 



orbicularia 248 



priaca 247 



reticnlaria 58, 62, 94, 108, 148, 193 



Aturia anguatatua 50 



orbiculata 49 



vanuxemi 222 



Ancella 35,176 



concentrica var 176 



erringtoni 35 



var. linguiformia 35 



hanamanni 51, 52 



Aulacomya 98 



Aulophyllum 62 



? richardaoni 63 



Aolopora serpens 192,247 



