BIBLIOGRAPHIC LIST OF GENEEA AND SPECIES. 453 



DIplograptus foliaceus — Continued. 



Diplograptus pristia Marcou, Geol. Map United States, 1853, p. 24, pi. 1, fig. 10. — 

 Hopldnson, Micro. Club Jour., 1, 1869, pi. 8, fig. 11a. — Can-utliers, Geol. 

 Mag., 5, 1868, p. 130, pi. 5, figs. 13a-d.— Nicholson, Mon. British Grapt., 

 1872, fig. 22, p. 54; p. 58, fig. 26; p. 69, fig. 39A; p. 116, fig. 58.— Hopldnson 

 and Lapworth, Geol. Soc. London Quart. Jour., 31, 1875, pp. 656-657, pi. 35, 

 figs. 7a-g.— Walcott, Alb. Inst. Trans., 10, 1883 (adv. sheets, 1879, p. 34), 

 p. 4 (loc. occ.).— Whitfield, Amer. Jour. Sci., 3d ser., 1883, 26, p. 380.— 

 Tullberg, Zeittschr. d. deutsch. geol. Gesell., 35, 1883, p. 241.— Walcott, 

 Bull. Geol. Soc. Amer., 1, 1890, p. 339.— Ruedemann (part), New York 

 State Geol. Rep., 1897, p. 219, pi. 4.— Grabau and Sliimer, N. A. Index 

 Fossils, 1, 1906, p. 33, fig. 54. 



Graptolithus folium et G. pristis Salter, Geol. Soc. London Quart. Jour., 5, 1849, 

 p. 15, pi. 1, figs. 5, 6. 



Diplograptus rugosus Emmons, Amer. Geol., 1, pt. 2, 1856, p. 105, pi. 1, fig. 

 26.— Lapworth, Ann. Mag. Nat. Hist., 5th ser., 5, 1880, p. 168. 



Diplograptus dissimilaris Emmons, Amer. Geol., 1, pt. 2, 1855, p. 105, pi. 1, 

 fig. 5. 



Dicranograptus dissimilaris Gurley, Jour. Geol., 4, 1896, p. 95 (gen. ref.). 



Diplogi-aptus secaUnus Hall, Pal. New York, 1, 1847, p. 267, pi. 72, figs. 2a-c. 



Diplograptus barbatulus Salter, Mem. Geol. Surv. Great Britain, 3, 1866, pi. 2a, 

 figs. le-d. 



Graptolithus (Diplograptus) hypniformis Wlute, Geogr. and Geol. Expl. West 

 100th Merid., Prel. Rep., 1874, p. 12; ibid., 4, War Dep., 1877, p. 63, pi. 4, 

 fig. 4a, b. 



Diplograpsus obliquis Emmons, Amer. Geol., 1, pt. 2, 1855, p. 106, pi. 1, fig. 22. 



Diplograpsus laciniata Emmons, Amer. Geol., 1, pt. 2, 1855, p. 236, pi. 1, fig. 24. 



Middle Ordovician: Great Britain (Glenkiln and Hartfeil); Scandinavia, Aus- 

 tralia, Nevada, Oklahoma, Arkansas, Canada, New York, etc. (Normans- 

 kill, etc.). 



Plesiotype.—Gsit. No. 8556, U.S.N.M. (Holotype of G. hypniformis). 



Diplograptus foli.\ceus Ruedemann (part). See Glossograptus (Orthograptus) 

 quadrimucronatus. 



Diplograptus foliaceus acutus Lapworth. 



Graptolithus pristis Hall (?Hisinger), Pal. New York, 1, 1847, pi. 72, fig. 10, Ip. 

 Diplogi'aptus foliaceus var. acutus (Lapworth MS.) Ruedemann, Mem. New 



York State Mus., 11, pt. 2, 1908, pp. 349-351, pi. 25, figs. 1, 2, text figs. 288-293. 

 Middle Ordovician: Stockport, etc.. New York (Normanskill); Canada; Scotland 



(Glenkiln); Shropshire (Upper Llandeilo). 



Diplograptus foliaceus alabamensis Ruedemann. 



Diplograptus foliaceus var. alabamensis Ruedemann, Mem. New York State 



Mus., 1], pt. 2, 1908, p. .352, pi. 25, fi.g. 3. 

 Chazyan (Athens): Pratta Ferry, Bibb County, Alabama. 



Diplograptus foliaceus mut. amplexicaule Gurley. See Diplograptus (Glypto- 

 graptus) amplexicaulis. 



Diplograptus foliaceus Inclsus Lapworth. 



Graptolithus pristis Hall (not Hisingcr), Pal. New York, 1, 1847, pi. 72, fig. 11. 

 Diplogi-aptus foliaceus var. incisus (Lapworth MS.) Ruedemann, Mem. New 



York State Mus., 11, pt. 2, 1908, pp. 3-47-349, pi. 24, figs. 198, text figs. 283-287. 

 Chazyan: One-half mile beiow Little Mechin Point, Quebec; Stockport and 



Glenmont, New York (Normanskill). 



