54 BRACHIOPODS. 



Shell like Ch. granulifera but very much smaller, and hav- 

 ing in the ventral valve a prominent mesial fold with a narrow 

 and deep furrow on each side. 



Horizon and localities. Upper Carboniferous, Upper Coal 

 Measures: Kansas City. 



Chonetes millepunctatus MEEK & WORTHEN. 



Chonetes millepunctatus Meek & Worthen, 1870: Proc. Acad. Nat. Sci., 



Fhila., p. 35 



Chonetes millepunctatus Meek & Worthen, 1873: Geol. Sur. Illinois, vol. V, 

 pi. xxv, figs. 3a-b. 



Shell large, thin, about two and one half times as wide as 

 high. Dorsal valve almost flat, or slightly concave; hinge-line 

 slightly shorter than the greatest width of the shell; extremi- 

 ties rounded; cardinal process stout ; cardinal edge somewhat 

 thickened within, forming an obscure ridge which reaches half 

 way to the extremities. Surface marked by numerous closely 

 arranged concentric costse, which are very regular. 



Horizon and localities Upper Carboniferous, Upper 



Coal Measures : Kansas City. 



Chonetes flemingi NORWOOD & PRATTEN. 

 Plate xxxviii, figs. 6a-b. 



Chonetes flemingi Norwood & Pratten, 1854: Jour. Acad. Nat. Sci., 



Phila., (2), vol. Ill, p. 26, pi. ii, figs. 5a-e. 

 Chonetes verneuiliana Norwood & Pratten, 1854: Jour. Acad. Nat. Sci., 



Phila., (2), vol. Ill, p. 26, pi. ii, figs. 6a-c. 



Chonetes parva Shumard, 1855: Geol. Sur. Missouri, Ann. Rep., p. 201. 

 Chonetes verneuiliana Shumard, 1855: Geol. Sur. Missouri, Ann. Rep., p. 



216. 

 Chonetes verneuiliana Meek, 1872: U. S. Geol. Sur. Nebraska, p. 170, 



pi, i, figs. lOa-b. 

 Chonetes flemingi Keyes, 1891: Proc. Acad. Nat. Sci., Phila., p. 247. 



Shell similar to Ch. granulifera, but more convex, much 

 smaller, with mesial sinus of the ventral valve very marked. 



Horizon and localities. Upper Carboniferous, Upper Coal 

 Measures : Kansas City. 



