1476 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



ORDOVICIAN OF SOUTH AMERICA. 



Agnostus bolivianus Hoek. 

 Arcaft gradlis Hoek. 

 Arethusina argentina Kayser. 

 Bathyurusft darwini Kayser. 

 Bathyurus? lajensis Kayser. 

 Bathyurusf orbignyanus Kayser. 

 Bistramia elcgans Hoek. 

 Boliviano, bipcnnis Salter. 

 Boliviano, mdocactus Salter. 

 Boliviano, proboscidea Salter. 

 Calymcne calliccphala Green. 

 Calymene diops Green. 

 Cruziana cucurbita Salter. 

 Cruziana furcifera D'Orbigny. 

 Cruziana. unduavi Salter. 

 Cryptolithus bolivicnsis Lake. 

 Cryptolithus "kruegeri (Hoek). 

 Dictyonema murrayi tarijense Hoek. 

 Hemigyraspis liquensis (Hoek). 

 Homalonotus? bistrami Hoek. 

 Illxnus argentinus (Kayser). 

 Lcptxna(f) stelzncri Kayser. 

 Lingula boliviano Hoek. 

 Lingula ellipsiformis Hoek. 

 Lingula inornata Hoek. 

 Lingula lineata Hoek. 

 Maclurites avellanedx (Kayser). 

 Maclurites sarmienti (Kayser). 

 Megalaspsisf amcricana Hoek. 

 Megalaspsis braclcenbuschi Kayser. 

 Megalaspsis? mataccnsis Hoek. 

 Monticulipora? argentina Kayser. 

 Ortliis calligramma Kayser. 

 Orthis disparilis (Kayser). 

 Orthisf saltensis Kayser. 

 Orthis vcspertilio Sowerby. 

 Orthoceras bolivianum Hoek. 

 Parabolinella andina Hoek. 

 Parabolinopsis mariana Hoek. 

 Pizarroa quichu'ana Hoek. 

 Pterygomctopus saltensis Kayser. 

 Strophomena(f) talacastensis Kayser. 

 Thysanopyge argentina Kayser. 

 Tunarria cochambambina Hoek. 



ORDOVICIAN (MISCELLANEOUS). 

 (Exact horizon unknown.) 



Asaphus? astragolotes Green. 



Bellerophon allegoricus White. (Utah.) 



Dinorthis fontalis (White). (Utah.) 



Girvandla antiqua Dawson. (Quebec.) 



Isotelus cyclops Green. (N. Y.) 



Labyrinthites chidlensis Lambe. (Arctic America.) 



Myrianites murchisoni Emmons. (Me.) 



Myrianites sillimani Emmons. (Me.) 



Nemapodia tenuissima Emmons. (N. Y.) 



Nereitcs dewcyi Emmous. (Me.) 



Nereitcs gracilis Emmons. (Me.) 



Nereitcs jacksoni Emmons. (Me.) 



Nereites lanccolatus Emmons. (Me.) 



Nereites loomisi Emmons. (Me.) 



Nireites pugnus Emmons. (Me.) 



Nereites robustus (Emmons). (N. Y.) 



Nidulitcsfavus Salter. (Quebec City.) 



Oldhamia ( Murchisonites) occidcns (Walcott) . (N. Y.) 



Orthoceras goldfussi (Troost). (Tenn.) 

 Primitia mundula effussa Jones. (Quebec City.) 

 Reccptaculites arcticus Etheridge. (Arctic Amer- 

 ica.) 



SILURIAN FAUNAS. 



RICHMOND OF AREAS ADJACENT TO CINCINNATI AXIS. 



(Arnheini=A.; Waynes ville=W.; Liberty=L.; 

 White\vater=Wh.; Elkhorn=E.) 



Agclacrinites austini (Foerste). (W.) 

 Agelacrinites faberi (Miller). (W.) 

 A lepidastcr granulifcrus ( Meek ) . ( R . ) 

 Alcpidastcr miamiensis (Miller). (W. or L.) 

 A mplcxoporagranulosa Cumings and Galloway. ( L.) 

 Amplcxopora pumila Cumings and Galloway. (L.) 

 A mplcxopora pustulosa Ulr ich . ( W . ) 

 Anomalodonta alata (Meek). (A., W.) 

 Anomalodonta casei (Meek and Worthen). (Wh.) 

 Anomalodonta costata (Meek). (A., W.) 

 Anomalodonta gigantea Miller. (W.) 

 Anoptera miseneri Ulr ich. (W.) 

 Anorthaster miamiensis Schuchert. (W. or L.) 

 Aparchites minutissimus (Hall). (A., W., L., Wh., 



E.) 



Aparchites oblongus Ulrich. (A.) 

 A r obeli ites procursus Foerste. ( E . ) 

 Archinacella indianensis (Miller). (Wh?) 

 Archinacella richmondensis Ulrich. (Wh.) 

 Archinacella rugatina Ulrich. (A.) 

 Arctinurus harrisi (Miller). (L.) 

 Arthraria biclavata Miller. (A., W., L., Wh., E.) 

 Atactopora angularis Ulrich and Bassler. (W.) 

 Atactoporella schucherti Ulrich. (W., Wh.) 

 Batostoma prosseri Cumings and Galloway. (W., 



L.) 



Batostoma variable (Ulrich). (W., E.) 

 Batostoma varians (James). (A.) 

 Beatricea nodulifera Foerste. (L.) 

 Beatricea nodulifera intermedia Foerste. (L.) 

 Beatricea nodulosa Billings. 

 Beatricea undulata Billings. 

 Beatricea undulata cylindrica Foerste. (L., E.) 

 Bellerophon mohri Miller. (Wh.) 

 Bellerophon subangularis Ulrich. (Wh.) 

 Berenicea primitiva Ulrich. (A., W.) 

 Beyrichia parallela (Ulrich). (Wh.) 

 Beyrichia tumida (Ulrich). (A. or W.) 

 Bodmania insuetum Miller and Faber. (Wh.) 

 Bollia persulcata (Uh-ich). (A., W., L., Wh., E.) 

 Bollia pumila Ulrich. (W.) 

 Bollia regularis (Emmons). (A.) 

 Brachiospongia tuberculata James. (L.) 

 Bucania crassa Ulrich. (E.) 

 Bucania simulatrix Ulrich. (W.) 

 Buthotrephis gracilis Hall. (A., W., L., Wh., E.) 

 Buthotrephis gracilis crassa Hall. (A., W., L., Wh., 



E.) 



Byssonychia cultrata Ulrich. (W.) 

 Byssonychia grandis Ulrich. (W.) 

 Byssonychia obesa Ulrich. (Wh.) 

 Byssonychia radiata (Hall). 

 Byssonychia richmondensis Ulrich. (Wh.) 

 Byssonychia robusta (Miller). (Wh.) 

 Byssonychia subrccta Ulrich. (W.) 

 Byssonychia tenuistriata Ulrich. (Wh.) 

 Bythocypris cylindrica (Hall). (A., W., L., Wh., E.) 



