SHUMARD AND SWALLOW—NEW FOSSILS. 215 
there associated with Productus Nebrascensis and Fusulina 
cylindrica. 
BRACHIOPODA. 
LINGULA CARBONARIA, Shumard. 
Shell on oe pao sat length nearly one-third greater 
than the width, a broad, very slightly rie | elevation extend- 
ing from the beak towards the front, obscurely channelled in 
the middle and becoming obsolete before reaching the front; 
na 
c é ith the cardinal margi 
continuous curve from beak to palleal ss the curve being 
somewhat stronger at the extremities; pallea in truncate 
margin 
or ivory gency arched; beak very slightly elevated, obtusely 
face polished and marked wit delicate, concen- 
trie lines of growth, and fine, rather indistinct, eins striz, 
eck 
hegly 
