scnrrHERT.l TABT.ES OF NORTH AMERICAN SPECIES. 



Tahij: Til. — Cambrian Braclnopoda — Continued. 



27 



Species. 



Lingulella (?) billingsana (TVliiteaves) ... 



Lingulella ( T) civlata (Hall) 



Lingnlella tlawsoni Matthew 



Liiigulella ella (Hall and WliitfleW) 



Liiignlella granvillcnsis Walcott 



Lingnlella ( f) iuflata ifattbew 



Lingult'lla ( ?) inflata ovalis ilattbew 



*Lingnlella irone (Billings) 



Lingnlella Lr vis ^fattbew 



Linguklla lamborni Meek 



Lingnlella linguloides Mattbew 



Lingnlella luacconelli Walcott 



Lingnlella niartineusis Matthe^y 



'Lingnlella minnta Hall and ^ybitfield . . . 



Lingnlella radnla Mattbew 



Lingnlella starri Mattbew 



Lingnlella starri minor Mattbew 



Lingnlella stoneana Whitfield 



Lingnlella winona Hall 



Lingnlepis acuminata (Conrad) 



Lingnlepis aciitangnla (Ttiiemer) 



Lingnlepis cnneolns "Whitfield 



"Lingnlepis ( ?) mara Ball and Whitfield . 



Lingnlepis matiualis Hall 



Lingnlepis pinniforniis Owen , 



Lingnlepis prima (Hall) 



Lingnlepis primneformis Whitfield 



Linnarsonia belti Davidson ? 



Linnarsouia niisera (Billings) 



Linnarsonia pretiosa (Billings) 



Linnarsonia sagittalis laconica Walcott .. 



Linnarsonia transversa (Hartt) 



Obolella atlantica Walcott , 



Obolella chromatica Billings , 



Obolella circe Billings 



Obolella crassa (Hall) , 



*OboIella ( ?) diseoidea Hall and Whitfield 



Obolella gemma Billings 



Obolella ( ?) gemmula Mattbew 



*Obolella (?) ida Billings 



Obolella minnta (Hall and Whitfield) 



Obidella nana Meek and Haydeu 



Obolella nitida Ford 



< )bolella pectenoides Whitfield 



Obolella polita Hall 



( )bolns ( ?) major Mattbew 



Obolns ( ?) mnrray i Billings 



Obolns pristinns Matthew 



Obolus ptilcber Mattliew 



Obolns refnlgens ^Sfatthew 



Orbicula ( ?) excentrica Emmons 



( trthis ( ?) apicalis Billings 



Ortbis ( ?) enrekensis Walcott 



Ortbis ( ?) highlandensis Walcott 



Lower 

 Cam- 

 brian. 



Middle 

 Cam- 

 brian. 



X? 



X? 

 X 



