BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 691 



Laslograptus blmucronatus — Continued. 



Graptolithus whitfieldi (part) Hall, Geol. Surv. Canada, Canadian Org. Rem., dec. 



2, 1865, pi. B, figs. 6-11. 

 Ordovician: Scotland (Glenkiln); Wales; Ireland; Scania; Kenwood, Stockport, 



etc., New York (Xormanskill); Arkansas. 



Laslo^raptiis blmucronatus timidus Ruedemann. 



Lasiograptiis bimucronatus mut. timidus Ruedemann, Mem. New York State 



Mus., 11, pt. 2, 1908, pp. 483-484, pi. 29, figs. 19, 20; text figs. 464, 465. 

 Utica: Flat Creek, near Mohawk, and Holland Patent, New York; Cincinnati, 

 Ohio. 



Laslograptus (Thysanograptus) eucharis (Hall). 



Retiograptus euchaiis Hall, Geol. Surv. Canada, Can. Org. Rem., dec. 2, 1865, p. 



146, pi. 14, fig. 9; New York State Cab. Nat. Hist., 20th Ann. Rep., 1868, 



pp. 206, 224, pi. 4, fig. 9.— Walcott, Trans. Alb. Inst., 10, 1881 (adv. sheets, 



1879, p. 35).— Ami, Can. Geol. Surv. Ann. Rep., pt. 11, 1889, pp. 23K, 117K; 



Can. Rec. Sci., 5, 1893, pp. 180, 236.— Roemer and Freeh, Leth.geog., ITheil., 



Leth. Pennsylvania, 1, 3 Lief., 1897, p. 608, fig. 173. 

 Retiograpsus eucharis Nicholson, Mon. British Grapt., 1872, p. 124, fig. 63. 

 Glossograptus? eucharis Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, 



pp. 397-400, pi. 26, figs. 18, 19; pi. 27, figs. 11-13, text figs. 346-352. 

 Diplograptus pristiniformis Ruedemann, Amer. Jowr. Sci., 3d ser., 18, 1895, pp. 



453, 455, figs. 2, 3.— Wiman, Bull. Geol. Inst. Upsala, 2, pt. 2, 1895, pp. 69, 



71, figs. 2, 3. 

 Diplograptus ruedemanni Gurley, Jour. Geol., 4, 1896, pp. 298, 307. — Ruedemann, 



14th Rep. State Geol. New York for 1894, 1897, p. 219, pi. 1, figs. 2-4, 6-7, 10; 



pi. 2, figs. 1-4; pi. 5, fig. 1.— Tornquist, Zoolog.Centralbl., 4, 1897, p. 5.— 



Ruedemann, Bull. New York State Mus., 42, 1901, p. 523 ff. 

 Diplograptus cf. aculeatus Freeh, Roemer and Freeh, Leth. Pal., 1, 1897, p. 632, 



pi. A, fig. 2. 

 Laslograptus (Thysauograptus) eucharis Ruedemann, Bull. New York State Mus., 



162, 1912, p. 84, figs. 24-28. 

 Trenton: Lake St. John, etc., Quebec (Collingwood); Vermont; Mohawk and 



Hudson Valleys, New York (Snake Hill, Canajoharie, and Schenectady). 



Laslograptus mucronatus (Hall). 



Graptolithus mucronatus Hall, Pal. New York, 1, 1847, p. 268, pi. 73, figa. la-d. 



Diplograptus mucronatus Geinitz, Die Graptolithen, 1852, p. 23. — Carruthers, 

 Mem. Geol. Surv., 3, 1866, 330, pi. IIA, fig. 6; pi. 12, fig. 1; ibid. 5, 1868, p. 

 131, pi. 5, fig. 2. — Nicholson, Geol. Mag., 4, 113, pi, 7, figs. 5, 5a; Quart. Jour. 

 Geol. Soc. London, 24, 1868, p. 139.— McCoy, Pal. Victoria, Prodr., doc. 1, 

 1874, p. 10, pi. 1, fig. 5.— Walcott, Trans. Alb. Inst., 10, 1883 (adv. sheets, 

 1879, p. 34).— Ami, Can. Geol. Surv. Rep., 2d eer., 3, pt. 2, 1889, p. 117K.— 

 Walcott, Bull. Geol. Soc. Am., 1, 1890, p. 339.— Clark, Geol. Mag., 4th ser., 

 9, 1902, p. 498. 



Diplograptus (Laslograptus) mucronatus Lapworth, Belfast Nat. Field Club Ann. 

 Rep., 1, 1877, p. 134, pi. 6. 



Laslograptus mucronatus Lapworth, Proc. and Trans. Roy. Soc. Canada, 4, 1887, 

 178f. — Gurley, Geol. Surv. Arkansas, Ann. Rep., 3, 1892, p. 413. — Ruedemann 

 Bull. New York State Mus., 42, 1901, p. 644.— Wcller, Geol. Surv. New 

 Jersey, Pal., 3, 1902, p. 212, pi. 16, figs. 16, 17.— Dale, Bull. U. S. Geol. Surv., 

 242, 1904, p. 33.— Ruedemann, Mom. New York State Mus., 11, pt. 2, 1908, 

 pp. 479-481, pi. 29, figs. 9-11; pi. 30, figs. 1-5; pi. 31, figs. 1-3; figs. 456, 457. 



Chazyan (Normanskill): Mt. Moreno, Kenwood, Glenmont, etc., New York; 

 Arkansas; Quebec. Glenkiln shale of Great Britain. 



