454 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Diplograptus follaceus 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 Ruedemann, Mem. New York State Mus., 11, 



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

 Chazyan (Normanskill): Arkansas. 

 Cofypea. Cat. No. 54260, U.S.N.M. 



DIPLOGRAPTUS FOLIACEUS VESPERTINUS Ruedemann. See Diplograptus vespertinus. 



Diplograptus hudsonicus Nicholson. 



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



fig. 15. 

 Cincinnatian (Pulaski): River Humber, Ontario. 



Diplograptus Inutills 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 (Lev is, Diplograptus dentatus zone); Deepkill, 



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



DIPLOGRAPTUS LAXUS Ruedemann. See Cryptograptus antennarius. 



Diplograptus longicaudatus Ruedemann. 



. Diplograptus longicaudatus 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 (Oanajoharie) : Minaville, New York. 



DIPLOGRAPTUS MARCLDUS Walcott. See Cryptograptus tricornis. 



Diplograptus (Mesograptus) mohawkensis Ruedemann. 



Diplograptus (Mesograptus) mohawkensis Ruedemann, Bull. New York 



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

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



DIPLOGRAPTUS MUCRONATUS Geinitz. See Lasiograptus mucronatus. 



: State 



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., 1861, p. 17. 

 Whitfield, 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 Yo 

 State Cab. Hist., 1868, p. 223. Gurley, Jour. Geol., 4, 1896, p. 298. Jam 

 Amer. Geol., 5, 1890, p. 354. Ruedemann, Mem. New York State Mus.. 1 

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

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



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

 81, fig. 2. 





