scHucHERT.] TABLES OF NORTH AMERICAN SPECIES. 



Tablk IV. — Ordovician Brachiopoda — Continued. 



31 



Species. 



Lingula ( ?) canadensis Billings 



Liiigula cincinuatieusis Hall and "Whitfield 



Lingula clathrata Wincbell and Schuchert 



Lingula cobourgensis Billings 



Lingula covingtonensis Hall and Whitfield 



Lingula curta Conrad 



Lingula ( ?) dolata Sardeson 



Lingula elderi "Whitfield 



Lingula elongata Hall 



Lingula eva Billings 



Lingula forbesi Billings 



Lingula bowleyi Matthew 



Lingula buronensis Billings 



Lingula iolo Billings 



Lingula iowensis Owen 



Lingula iris Billings 



Lingula kiugstonensis Billings 



Lingula lyelli Billings 



Lingula mantelli Billings 



Lingula modesta Ulrich 



Lingula morsii N. H. "Wincbell 



Lingula nynipha Billings 



Lingula obtusa Hall 



Lingula pajjillosa Emmons 



Lingula perryi Billings 



Lingula iibilomela Billiugs 



Lingula progne Billings 



t Lingula quebecensis Billings 



Lingula rectilateralis Emmons 



Lingula riciniformis Hall 



Lingula riciniformis galenensis "Winchell and Schuchert 



Lingula vanborni Miller 



Lingula whitfieldi Ulrich 



Liugnlasma galenensis "Winchell and Schuchert 



Liugulasma schucherti Ulrich 



Lingulella (?) cuneata Matthew 



ILingulella Irene (Billings) 



ILingulolla minuta Hall and "Whitfield 



Lingulella roberti Matthew 



Lingulella selwyni Matthew....* 



tLingulopis ( ?) maera Hall and "Whitfield 



Lingulobolus affinis Billings 



Lingulobolus affinis cuneata Matthew 



Lingulops norwoodi (James) 



Lingulops whitfieldi Hall 



lObolella ( ?) discoidea Hall and "Whitfield 



iObolella (?) ida Billings 



Orbiculoidea lamellosa Hall 



Orbiculoidea tenuistriata (Ulrich) 



Ortbidium gemmicula (Billings) 



Orthis ( ?) acuminata Billings 



Orthis carausii Salter 



Eoordovician . 



Calcifer- 

 ous. 



Mesoordo- 

 vician. 



Trenton, 

 Chazy. Black Eiver, 

 Birdseye. 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 



X? 



T 

 T 

 T 

 T 



Neoordo- 

 vician. 



Cincin- 

 nati, 

 Utica. 



T 



T 



BR 



BK 



T 



T 



T 

 T 

 T 

 T 

 T 

 T 

 T 



T 



T 



Ci 

 Ci 



U 



Ci 



Ci 



U.Ci 



U 



c, 



L 



Ci 



Ci 

 Ci 



Ci 



U 



Ci 

 U 



