CATALOGUE OF TRILOHITKS. 851 



PTYCHOPARIA. 



? METRA Wal., 1890; Proc. U. S. Nat. Mus., vol. 13, p. 273, pi. 21, tig. 



7. Tatur Hill, Burnet Co., Texas. Taconic. 

 Conoceph. minor Shvim., 1863; Traus. Acad. Nat. Sci. St. Louis, vol. 



2, p. 105. Bluffs of Mississippi near confluence of Black River, 



Wis. 

 (Undet.) trilobite Owen, 1848; Geo!. Reconnoissance Chippewa Land 



Dist., p. 15, pi. 7, fig. 4. 

 Conoceph. minor Hall, 1863; 16th Rep. New York State Cab. Nat. 



Hist., p. 149, pi. 8, figs. 1-4. Trempaleau, Wis. 



MINOR Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, vol. 



8, p. 91. 



Conoceph. minutus Bradley, 1860; Am. Jour. Sci., 2d series, vol. 30, 



p. 24, 3 figs. Keeseville, N. Y. Potsdam. 



Conoceph. minctds Bradley, 1860; Canadian Naturalist, vol. 5, p. 420, 



figs. 1-3. 

 Conoceph. minutus Hall, 1863; 16th Rep. New York State Cab. Nat. 



Hist., p. 150, pi. 8, figs. 5-7. 

 minutus Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, 



vol. 8, p. 91. 



minutus Wall., 1886; Bull. U. S. Geol. Survey, No. 30, p. 21. 



Conoceph. miser Bill., 1861; New or little known Sil. Foss., p. 12, 



fig. 14. Straits of Belle Isle. Potsdam. 



Conoceph. miser Bill., 1861; Geol. Vermont, vol. 2, p. 950, fig. 354. 

 Conoceph. miser Bill., 1863; Geol. Canada, p. 286, fig. 393. 

 Conoceph. miser Bill., 1865; Pal. Foss., vol. 1, p. 12, fig. 14. 



- MiSKR Wal., 1886; Bull. U. S. Geol. Survey, No. 30, p. 199, pi. 27, 



fig. 2. 



MISER Wal., 1890; 10th Rep. U. S. Geol. Survey, p. 651, pi. 96, fig. 8. 



Olenellus zone. 

 Crepicephalus (Loganellus) montanensis Whitf., 1876; Rep. Recon. 

 Upper Missouri, p. 141, pi. 1, figs. 1, 2. Cami> Baker, Montana. 



Potsdam. 



MONTANENSIS Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, 



vol. 8, pp. 53, 56. 



MUCRONATUS Shaler & Foerste, 1888; Bull. Mus. Comp. Zool. Harvard 



Coll., vol. 16, p. 37, pi. 2, fig. 21. Attleborough, Mass. Taconic. 



Conoceph. nasutus Hall, 1863; 16th Rep. New York State Cab. Nat. 



Hist., p. 155, pi. 7, figs. 3-9. Kickapoo, etc., Wis. Potsdam. 



Conoceph. neglectus. (See Ptychoparia tener.) 



Crepicephalus (Loganellus) nitidus H. k W., 1877; U. S. Geol. Expl. 

 40th Par., Palseont., vol. 4, p. 212, pi. 2, figs. 8-10. Eureka, Nev. 



Taconic. 

 Syn., Crepicephalus (Loganellus) simulator (H. & W.) Walcott. 



nitidus Wal., 1884; Pal. Eureka Dist., Mon. U. S. Geol. Survey, vol. 



8, p. 57. 



