454 BULLETIN 92^ UNITED STATES NATIONAL MUSEUM. 



Diplograptus foUaceus trifldus (Gurley). 



Diplograptus trifidus Gurley, Geol. Surv. Ark. Rep., 3, 1890, 417, pi. 9, figs, 



3, 4; Jour. Geol., 4, 1896, pp. 298, 307. 

 Diplograptus foliaceus var. trifidus Ptuedemann, Mem. New York State Mus., 11, 



pt. 2, 1908, pp. 351, 352, fig. 295. 

 Chazyan (Normanskill): Arkansas. 

 Coty pes. —Gat. No. 54260, U.S.N.M. 



Diplograptus foliaceus vespertinus Ruedemann. See Diplograptus vespertinus. 



Diplograptus hudsonlcus Nicholson. 



Diplograpsus Hudsonicus Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p, 38, 



fig. 15. 

 Cincinnatian (Pulaski): River Humber, Ontario. 



Diplograptus Inutilis Hall. 



Diplograptus inutilis Hall, Geol. Surv. Canada, dec. 2, 1865, p. Ill, pi. 13, fig. 14. — • 



Gurley, Jour. Geol., 4, 1896, p. 298. — Ruedemann, New York State Pal. Ann. 



Rep., 1902, p. 570; Mem. New York State Mus., 7, pt. 1, 1904, p. 721, pi. 16, 



figs. 12, 13. 

 Canadian: Point Levis, Quebec (Levis, Diplograptus dentatus zone); Deepkill, 



Rensselaer County, New York (Deepkill, D. dentatus zone). 



Diplograptus laxus Ruedemann. See Cryptograptus antennarius. 



Diplograptus longlcaudatus Ruedemann. 



Diplograptus longlcaudatus Ruedemann, Mem. New York State Mus., 7, pt. 1, 



1904, p. 723, pi. 16, fig. 11. 

 Canadian (Deepkill, Diplograptus dentatus zone) : Deepkill, Rensselaer County, 



New York. 



Diplograptus (Amplexograptus) macer Ruedemann. 



Diplograptus (Amplexograptus) macer Ruedemann, Mem. New York State 



Mus., 162, 1912, p. 82, pi. 2, figs. 20, 21. 

 Trenton (Canajoharie) : Minaville, New York. 



DtPLOQRAPTUS MARCiDus Walcott. See Cryptograptus tricornis. 



Diplograptus (Mesograptus) mohawkensis Ruedemann. 



Diplograptus (Mesogi'aptus) mohawkensis Ruedemann, Bull. New York State 



Mus., 162, 1912, p. 80, pi. 2, figs. 18, 19. 

 Trenton (Canajoharie) : Near Amsterdam and near Saratoga, New York. 



Diplograptus mucronatus Geinitz. See Lasiograptua mucronatus. 



Diplograptus peosta Hall. 



Graptolithus pristis (part) Hall, Pal. New York, 1, 1847, p. 72, figs. If, Ig. 



Graptolithus (Diplograptus) peosta Hall, Geol. Surv. Wisconsin Rep., 1801, p. 17. — 

 WTiitfield, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 47, pi. 5, fig. 12. 



Diplograptus peosta Hall, Geol. Wisconsin, 1, 1862, p. 430; 20th Rep. New York 

 State Cab. Hist., 1868, p. 223.— Gurley, Jour. Geol., 4, 1896, p. 208.-James, 

 Amer. Geol., 5, 1890, p. 354. — Ruedemann, Mem. New York State llus., 11, 

 pt. 2, 1908, pp. 372-374, pi. 25, fig. 17, text figs. 319-322; Bull. New York 

 State Mus., 162, 1912, p. 83, fig. 23, pi. 2, fig. 17. 



Diplograptus pristis Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1897, p. 

 81. fig. 2. 



