174 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Camarotoechia( ?) acinus Continued. 



Niagaran: Waldron, etc., Indiana; Newsom, etc., Tennessee (Waldron); Louis- 

 ville, Kentucky (Louisville); Pendleton, Indiana; etc. 

 Pksiotypes.C&t. No. 51366, U.S.N.M. (Nettelroth). 



Camarotcechia(?) acinus convexa (Foerste). 



Rhynchonella acinus var. convexa Foerste, Proc. Boston Soc. Nat. Hist., 24, 



1890, p. 318, pi. 6, fig. 13; Geol. Ohio, 7, 1895, p. 593, pi. 31, fig. 13. 



Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 164. 

 Upper Medinan (Brassfield) : Hanover, Indiana. 



Camarotcechia acinus subrhomboidea Foerste. 



Camarotcechia acinus-subrhomboidea Foerste, Jour. Cincinnati Soc. Nat. Hist., 



21, 1909, p. 12, pi. 2, fig. 4. 

 Clinton (West Union) : Near Martins, Lewis County, Kentucky. 



Camarotcechia aequiradiata (Hall). 



Atrypa equiradiata Hall, Pal. New York, 2, 1852, p. 70, pi. 23, fig. 5. 

 Rhynchospira? equiradiata Hall, 12th Rep. New York State Cab. Nat. Hist., 



1859, p. 77. 



Rhynchonella sequiradiata Miller, N. A. Geol. Pal., 1889, p. 367. 

 Camarotcechia sequiradiata Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 190. 

 Protorhyncha sequiradiata Hall and Clarke, ibid., 1895, pi. 56, figs. 7-9. 

 Clinton: Oneida County, New York; Arisaig, Nova Scotia. 



CAMAROTCECHIA ALTTLIS Hall and Clarke. See Camarotcechia plena. 



Camarotcechia? antiqua Savage. 



Camarotcechia? antiqua Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 82, pi. 5, 



figs. 1, 2. 



Upper Medinan (Edgewood): Alexander County, Illinois, and near Edgewood, 

 Missouri. 



Camarotcechia argentea (Billings). 



Rhynchonella? argentea Billings, Cat. Sil. Foss. Anticosti, 1866, p. 43. 

 Anticostian (Jupiter River): East of Otter River, Anticosti. 



Camarotcechia(?) coalescens Whiteaves. 



Camarotcechia(?) coalescens Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 



4, 1906, p. 272, pi. 25, fig. 7. 

 Niagaran: Winisk River, Canada. 



Camarotoechia? concinna Savage. 



Camarotcechia? concinna Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 81, pi. 



5, figs. 4, 5. 



Upper Medinan (Edgewood) : Pike County, Missouri, and near Thebes, Illinois. 



Camarotcechia congruens Foerste. 



Camarotcechia congruens Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1909, p. 



11, pi. 2, fig. 3A, B. 

 Clinton (Crab Orchard and West Union): Near Martins, etc., Lewis County, 



Kentucky. 



Camarotoechia decemplicata (Sowerby). 



Terebratula decemplicata Sowerby, Sil. Syst., 1839, pi. 21, fig. 17. 

 Rhynchonella decemplicata Davidson, Mon. Brit. Foss. Brach., 3, pt. 7, 1871, 



p. 177, pi. 23, figs. 20-24. Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, 



p. 320, pi. 6, figs. 23, 24. 



