BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 399 



DENDROGRAPTUS ARUNDINACEUS Gurley. See Mastigograptus arundinaceus. 

 DENDROORAPTUS COMPACTUS Walcott. See Callograptus compactus. 



Dendrograptus dawsonl Spencer. 



Dendrograptus dawsoni Spencer, Canadian Nat., 10, 1882, p. 165; Trans. Acad. 

 Sci. St. Louis, 4, 1884, p. 568, pi. 1, fig. 5; Bull. Mus. Univ. Missouri, 1, 1884, 

 p. 18, pi. 1, fig. 5. Gurley, Jour. Geol., 4, 1896, pp. 94, 308. Bassler, Bull. 

 U. S. Nat. Mus., 65, 1909, p. 6, fig. 1. 



Niagaran dolomite: Hamilton, Ontario. 



DENDROGRAPTUS? (CALLOGRAPTUS?) diffusus Hall. See Callograptus diffusua. 



Dendrograptus divergens Hall. 



Dendrograptus divergens Hall, Geol Surv. Canada, dec. 2, 1865, p. 129, pi. 17, 

 figs. 3, 4. Hoplunson, Quart. Jour. Geol. Soc. London, 31, 1875, p. 664, pi. 

 36, figs. 6a, b. 

 Canadian (Levis, Didymograptus zone): Point Levis, Quebec. 



Dendrograptus dubius Miller. 



Dendrograptus simplex Spencer, Canadian Nat., 10, 1882, p. 165 (nom. mid.); 



Trans. Acad. Sci. St. Louis, 4, 1884, p. 567, pi. 1, fig. 4; Bull. Mus. Univ. 



State Missouri, 1, 1884, p. 17, pi. 1, fig. 4. 

 Dendrograptus dubius Miller, N. A. Geol. Pal., 1889, p. 184. Gurley, Jour. 



Geol., 4, 1898, pp. 94, 308. Bassler. Bull. U. S. Nat. Mus., 65, 1909, pp. 7, 8, 



figs. 2, 8. 

 Niagaran dolomite: Hamilton, Ontario. 



Dendrograptus erectus Hall. 



Dendrograptus erectus Hall, Geol. Surv. Canada, dec. 2, 1865, p. 130, pi. 17, fig. 7. 

 Canadian (Levis, Didymograptus zone): Point Levis, Quebec. 



Dendrograptus flexuosus Hall. 



Dendrograptus flexuosus Hall, Geol Surv. Canada, Can. Org. Bern., dec. 2, 1865. 

 p. 127, pi. 17, figs. 1, 2, p. 128, fig. 3; 20th Hep. New York S'tate Cab. Nat. 

 Hist., 1868, p. 177, fig. 9; rev. ed., 1870, p. 209, fig. 9, p. 224. Hopkinson 

 and Lapworth, Quar. Jour. Geol. Soc., 31, 1875, p. 662, pi. 36, figs. 3a-3d. 

 Roemer and Freeh, Leth. Pal., 1, 1897, p. 578. Ruedemann, Mem. New 

 York State Mus., 7, 1904, p. 579, pi. 4, figs. 5, 6, 8-10. Grabau and 

 Shimer, N. A. Index Fossils, 1, 1906, p. 26, fig. 37. 



Dendrograptus cf. gracilis Ruedemann, New York State Pal. Ann. Rep., 1902, 

 p. 555. 



Canadian: Point Levis, Quebec (Levis, Diplograptus dentatus zone); DeepkilL 

 New York (Deepkill, D. dentatus zone). Lower and Middle Arenig of 

 Wales. 



Dendrograptus fluitans Ruedemann. 



Dendrograptus n. sp. Ruedemann, New York State Pal. Ann. Rep., 1902, p. 555. 

 Dendrograptus fluitans Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904> 



pp. 582-583, pi. 4, figs. 11, 12. 

 Canadian (Deepkill): Deepkill, Rensselaer County, New York (Tetragraptus 



zone). 



Dendrograptus frondosus Spencer. 



Dendrograptus frondosus Spencer, Canadian Nat., 10, 1882, p. 165 (nom. mid.); 

 Trans. Acad. Sci. St. Louis, 4, 1884, p. 568, pi. 1, fig. 6; Bull. Mus. Univ. 

 State Missouri, 1, p. 18, pi. 1, fig. 6, 6a. Gurley, Jour. Geol., 4, 1896, pp. 64, 

 308. Bassler, Bull. U. S. Nat. Mus., 65, 1909, p. 8, fig. 7. 



Niagaran dolomite: Hamilton, Ontario. 



