scHt'CHEin] TABLES OF NORTH AMERICAN SPECIES. 



Table \ . — "^ilKrian Urachiopoda — Continued. 



37 



Species. 



Concliiilium crassipliciim Hall and Clarke 



Coiicliidium decusaatum ( Whiteaves) 



CoiichiJinm cxpoueiis Hall and Clarke 



Concbidium georgiin Hall and Clarke 



Conc.hidinm groeuii Hall and Clarke 



Conchidiuui kuappi (Hall and Whitfield) 



Couohidiiini laqiieatiim (Conrad) 



Conchidiuni littnni (Hall) 



Concuidinni multicostatum (Hall) 



Conehidiuiu nysiua (Hall and Whitfield) 



Conchidiuni obsoletum Hall and Clarke 



Concbidium occidentalo Hall 



Concbidium scoparium Hall and Clarke 



Concbidium tenuicostatum (Hall and Whitfield) . 



Concbidium unguiforme (Ulricb) - 



Crania acadiensis Hall 



Crania anna Spencer 



Crania dentata Eingueberg 



Crania dubia Foerste 



Crania gracilis Itingueberg 



Crania setiferaHall 



Crania ailuriana Hall 



Crania spinigera Hall 



Craniclla ( ?) clintonensis Foerste 



Cyclosjjira ( ?) sparsiplica Foerste 



Cyrfia esporrecta (Wahlenberg) 



Cyrtia meta Hall 



Cyrtia myrlia Billings 



Cyrtina pyramidalis (Hall) 



Dalmanolla arcuaria Hall and Clarke 



Dalmanclla elegantula (Dalman) 



Dalmauella elegantula parva (Foerste) 



Dalnuuiella parva de Vemeuil 



Deltliyria ( ?) rugicosta (Hall) 



Deltbyris sulcata Hisinger 



Dictyonella anticostiensis Billings 



Dictyonella concinna Hall 



Diclyoiiella corallifera Hall 



Pictyonella gibbosa Hall 



Dictyonella reticulata Hall 



Dinobolus <-onradi Hall 



(ilossina perovata (Hall) 



Gypidula coppingeri (Etheridge) 



Gypidula globosa (Xettelrotb) 



Gyi>idulaknotti (Nettclroth) 



Gypiduhx nucha (Hall and AVhitfleld) 



Gyjjidula roemeri Hall and Clarke 



G j'pidula uniplicata (Nettelroth) 



Hebertella day tonensis (Foerste) 



Hebertella fausta (Foerste) 



Hindella prinstaua (Billings) 



Hiudella umbonata (Billings) 



Eo- 

 siluriau. 



Medina. 



Mesosilurian. 



Anti- 



costi, 



Clinton. 



CI 



CI 



CI 



CI 



Neosl- 

 lurian. 



n,■.^^■^u Tentac- 

 Guelph, ,i 



Niagara, ^jfj^,'' 



N 



N 



K 



1 

 N I 



N 



N 



if 

 Gu 

 Gu 



N 



N 

 Ar 



N 



N 



Ar 



N 



MS 



