scHucHERT.] TABLES OF NORTH AMERICAN SPECIES. 



Table III. — Cambrian Braclnopoda — Continued. 



27 



Species. 



LiBgulella (?) billingsana (Whiteaves) ... 



Lingulella ( ?) cselata (Hall) 



Lin gulella dawsoni Matthew 



Lingulella ella (Hall and Whitfield) 



Lingulella granvillenais "Walcott 



Lingulella (?) inflata Matthew 



Lingulella (?) inflata ovalis Matthew 



*LingulelIa Irene (Billings) 



Lingulella lie vis Matthew 



Lingulella lamborni Meek 



Lingulella linguloldes Matthew 



Lingulella niacconelli Walcott 



Lingulella martinensis Matthew 



*Lingulella minuta Hall and Whitfield . . . 



Lingulella radula Matthew 



Lingulella starri Matthew 



Lingulella starri minor Matthew 



Lingulella stoneana Whitfield 



Lingulella winona Hall 



Lingulepis acuminata (Conrad) 



Lingulepis acutangula (Roemer) 



Lingulepis cuneolus Whitfield 



*Lingnlepis (?) maera Hall and Whitfield . 



Lingulepis matinalis Hall 



Liuguleiiis pinnifonnia Owen 



Lingulepis prima (Hall) 



Lingulepis primieformis Whitfield 



Linnarsonia belti Davidson ? 



Linuarsonia niisera (Billings) 



Linnarsonia prctiosa (Billings) 



Linnarsonia sagittalis taconica Walcott .. 



Linuarscnia transversa (Hartt) 



Obolella atlantica Walcott 



Obolella cbromatica Billings 



Obolella circe Billings 



Obolella crassa (Hall) 



*Obolella (?) discoidea Hall and Whitfield . 



Obolella gemma Billings 



Obolella ( ?) gemmula Matthew 



*Obolclla (?) ida Billings 



Obolella minuta (Hall and Whitfield) 



Obolella nana Meek and Hayden 



Obolella nitida Ford 



Obolella pectenoides Whitfield 



Obolella polita Hall 



Obolus ( ?) major Matthew 



Obolus ( ?) murray i Billings 



Obolus pristinus Matthew 



Obolus pulcher Matthew 



Obolus refulgens Matthew 



Orbicula ( ?) excentrica Emmons 



Orthis ( ?) apicalis Billings 



Orthis ( ?) eurekensis Walcott 



Orthis ( ?) highlandensis Walcott 



Lower 

 Cam- 

 brian. 



X 

 X 



Middle 

 Cam- 

 brian. 



X 

 X 

 X 

 X 



X? 



X 

 X 



X 

 X 



X 

 X 



X 



X 

 X 



X 

 X 



X? 

 X 



Upper 

 Cam- 

 brian. 



