Mya 



432 



Mya truncata, Linneus, Dawson's Acadian Geology, 1868, 



pp ^^.e^m^ 4^4^p. 74, fig. 17. 



Geol. Can- 

 ada, 1863, fig. 

 474, left 

 valve. — 

 Chamjglain 

 _ clay. PP. 



Myalina recurvirostris. (Meek and Worthen. Illinois 



Geol. Keports,Vol. 

 2, 1866, page 344, 

 plate 27, fig. 9.) 

 Collett's Indiana 

 Geological Report 

 of 1883, page 140, 

 plate 29, fig. 3, out- 

 side of left valve, 

 natural size ; fig. 

 4, inside of same 

 left valve. — TJ. 

 Coal Measures, 

 iTid. ^'^^a^iSSS ^^i^^^Pl. 25 XT. 

 Myalina subquadrata. (Shumard ; in Swallow's Missouri 



