550 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Glossograptus arthracanthus Gurley. 



Diplograpsus ciliatiis Emmons, Amer. Geology, 1, pt. 2, 1855, p. 105, pi. 1, fig. 19; 



Man. GeoL, 1860, p. 87, fig. 65. 

 Glossograpsus arthracanthus Gurley, Jour. Geol., 4, 1896, p. 78. 

 Normanskill or Early Trenton: Augusta County, Virginia. 



Glossograptus ciliatus Emmons. 



Glossograptus ciliatus Emmons, Amer. Geology, 1, pt. 2, 1856, p. 108, pi. 1, fig. 



25.— Lapworth, Quart. Jour. Geol. Soc. London, 31, 1875, p. 659, pi. 34, fig. 



7; Roy. Soc. Canada Trans., 5, 4th sec, 1887, p. 184; Canadian Geol. Surv. 



Rep., 2d ser., 3, pt. 1, 1889, p. 95B.— Ami, Geol. Surv. Canada Rep., 2d ser., 



3, pt. 2, 1889, p. 117K.— Gurley, Geol. Surv. Ark., Ann. Rep., 3, 1892, p. 



404f.— Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 379-383, 



pi. 26, figs. 1-5; pi. 27, figs. 1-4, figs. 324-335. 

 Diplograptus ciliatus Walcott, Alb. Inst. Trans., 10, 1881 (adv. sheets, 1879, p. 34). 

 Glossograptus setaceus Emmons, Amer. Geology, 1, 1856, p. 236, pi. 1, fig. 20. 

 Graptolithus spinulosus Hall, Pal. New York, 3, 1859, p. 517, fig. ; New York State 



Cab. Nat. Hist., 13th Ann. Rep., 1860, p. 60, fig. 

 Glossograptus spinulosus Lajiworth, Ann. Mag. Nat. Hist., 5, 1880, p. 283. — Dodge, 



Amer. Jour. Sci., 3d ser., 40, 1890, p. 153. 

 Diplograptus spinulosus Walcott, Trans. Alb. Inst., 10, 1881, p. 35; Bull. Geol. 



Soc, 1, 1890, p. 339. 

 Chazyan (Normanskill): Glenmont and other localities in slate belt of New York; 



Alabama; Long Point, St. Anne River, Quebec; Kicking Horse Pass and 



Dease River, British Columbia; Arkansas; Maine; North Wales. 



Glossograptus ciliatus debilis Ruedemann. 



Glossograptus ciliatus var. debilis Ruedemann, Mem. New York State Mus., 11, 



pt. 2, 1908, p. 384, pi. 26, figs. 6, 7. 

 Chazyan (Normanskill): Mount Moreno, near Hudson, New York. 



Glossograptus ciliatus horridus Ruedemann. 



Glossograptus ciliatus Emmons mut. horridus Ruedemann, Mem. New York State 



Mus., 11, pt. 2, 1908, pp. 383, 384, pi. 26, figs. 8, 9; pi. 27, fig. 5. 

 Canadian: Summit, Nevada. 

 Holotype and paratype. — Cat. No. 54254, U.S.N.M. 



Glossograptus echinatus Ruedemann. See Glossograptus hystrix. 



Glossograptus? eucharis Ruedemann. See Lasiograptus (Thysanograptus) 

 eucharis. 



Glossograptus hystrix Ruedemann. 



Glossograptus sj). Ruedemann, New York State Pal., Ann. Rep., 1902, p. 571. 

 Glossograptus hystrix Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, 



pp. 724, 725, pi. 16, figs. 27-29, text fig. 101. 

 Glossograptus echinatus Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, 



pp. 725-726, pi. 16, figs. 30-32, fig. 102. 

 Canadian: Deepkill, Rensselaer Coxmty, and Moimt Moreno, near Hudson, New 



York (Deepkill, Diplograptus den tatus zone) ; Arkansas. 



Glossograptus (Orthograptus) quadrimucronatus (Hall). 



Graptolitcs dentatus Vanuxem, Geol. New York, 3d Dist., 1842, p. 57, fig. 2.— 

 Emmons, Geology New York, 2d Diet., 1842, p. 279, fig. 2.— Hall, ibid., 4th 

 Dist., 1843, p. 29. 



