BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 789 



Mastigograptus arundinaceus— Continued. 



Dendrograptus arundinaceus Gurley, Jour. Geol., 4, 1896, 84. 



Mastigograptus arundinaceus Ruedemann, Mem. New York State Mus., 11, pt. 



2, 1908, pp. 221, 222, pi. 12, fig. 6, fig. 119. 

 Utica: Turin, Lewis County, New York. 



Mastigograptus circinalis Ruedemann. 



Dendrograptus sp. Ruedemann, Bull. New York State Mus. , 42, 1901, p. 528. 

 Mastigograptus circinalis Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, 



pp. 222, 223, pi. 10, fig. 3; pi. 12, figs. 7, 8. 

 Trenton (Canajoharie) : Rural cemetery, near Albany, New York. 



Mastigograptus? flaccidus Ruedemann. 



Mastigograptus? flaccidus Ruedemann, Bull. New York State Mus., 133, 1909, 



p. 207, pi. 3, fig. 6. 

 Black River (Lowville): Glens Falls, New York. 



Mastigograptus gracillimus (Lesquereux). 



Psilophytum gracillimum Lesquereux, Proc. Amer. Phil. Soc, 17, 1877, p. 164, 



pi. 1, fig. 2. 

 Psilophyton gracillimum Miller, Proc. Davenport Acad. Sci., 2, 1878, p. 206. — 



Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 805, figs. 

 Dendrograptus (Psilophyton) gracillimus Walcott, Trans. Alb. Inst., 10, 1883, 21. 

 Dendrograptus gracillimus Ulrich, Cat. Foss. Cincinnati Group, 1880. — James, Jour. 



Cincinnati Soc. Nat. Hist., 1885, p. 160; pi. 9, .figs. 5, 6; ibid., 14, pt. 2, 1892, 



p. 149. — Gurley, Jour. Geol., 4, 1896, 95. — Nickles, Jour. Cincinnati Soc. 



Nat. Hist., 20, 1902, p. 68. 

 Mastigograptus gracillimus Ruedemann, Mem. New York State Mus., 11, pt. 2, 



1908, pp. 219-221, figs. 116-118. 

 Eilen and Maysville (Fairmouut): Cincinnati, Ohio, and vicinity. 



Mastigograptus simplex (Walcott). 



Dendrograptus simplex Walcott, Trans. Alb. Inst., 10, 1883, p. 20; pi. 1, figs. 

 5, 5a, 5b, 6 (adv. sheets, 1879); Bull. Geol. Soc. Amer., 1, 1890, p. 347.— 

 Ami, Can. Rec. Sci., 5, 1892.— Gurley, Jour. Geol., 4, 1896, p. 300. 



Mastigograptus simplex Ruedemann, Mem. New York State Mus., II, pt. 2, 1908, 

 pp. 218, 219, pi. 9, fig. I; pi. 12, figs. 3-5; fig. 115. 



Utica: Holland Patent, Oneida County, New York; Canada. 



Mastigograptus tenuiramosus (Walcott). 



Dendrograptus tenuiramosus Walcott, Trans. Alb. Inst., 10, 1881, p. 21, pi. 1, 

 fig. 4 (adv. sheets, 1879). — Ulrich, Cat. Foss. Cincinnati Group, 1880. — 

 James, Cincinnati Soc. Nat. Hist., Man. Pal. Cincinnati Group, pt. 2, 1892, p. 

 152. — Gurley, Jour. Geol., 4, 1896, p. 300. — Ruedemann, Bull. New York 

 State Mus., 8, 1901, p. 528, footnote. — Nickles, Jour. Cincinnati Soc. Nat. 

 Hist., 20, 1902, p. 70. 



Mastigograptus tenuiramosus, Ruedemann, Mem. New York State Mus., 11, pt. 

 2, 1908, pp. 216-218, pi. 9, figs. 2, 3; pi. 11, figs. 2-4; pi. 12, figa. 1, 2; fig. 114. 



Utica: Holland Patent, New York; Covington, Kentucky, etc. 



Plesiotype— Gat. No. 54275, U.S.N. M. 



MATHERELLA Walcott. Genotype: Trochus saratogensis Walcott. 



Billingsia Walcott (not Dekoninck, 1876), Bull. U. S. Geol. Surv., 30, 1886, pp. 



5, 21, 6062; Bull. U. S. Geol. Surv., 81, p. 346.— Miller, N. A. Geol. Pal., 



p. 398. 

 Matherella Walcott, Smiths. Misc. (oil., 57, 1912, p. 263. 



