BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 401 



Deudrograptus rectus Ruedemanu. 



Deudrograptiis rectua Ruedemann, Mem. New York State Mua., 11, 1908, p. 145, 



pi. 8, fig. 2, text fig. 51. 

 Upper Clinton: Clinton, Oneida County, New York. 



Dendrograptus serpens Hopkinson. 



Dendrograptus serpens Hopkinson, Quart. Jour. Geol. Soc. London, 31, 1875, 



p. 665, pi. 37, fig. 3. 

 Dendrograptus cf. serpens Gm-ley, Joiu*. Geol., 4, 1896, p. 84. 

 Canadian: Europe; Summit, Nevada. 



Dendrograptus simplex Spencer. See Dendrograptus dubius. 



Dendrograptus simplex Walcott. See Mastigograptus simplex. 



Dendrograptus splnosus Spencer. 



Dendrograptus spinosua Spencer, Canadian Nat., 10, 1882, p. 165 (nom. nud.); 

 Trans. Acad. Sci. St. Louis, 4, p. 569, pi. 1, fig. 8; Bull. Mus. Univ. State 

 Missouri, 1, pp. 14, 19, pi. 1, fig. 8.— Gmley, Jour. Geol., 4, 1896, pp. 95, 

 308.— Bassler, Bull. U. S. Nat. Mus., 65, 1909, p. 10, fig. 5. 



Niagaran dolomite: Hamilton, Ontario. 



Dendrograptus striatus Hall. 



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



figs. 5-6. 

 Canadian (Levis, Didymograptus dentatus zone): Point Le\ds, Quebec. 



Dendrograptus(?) succulentus Ruedemann. 



Dendrograptus n. sp. Ruedemann, New York State Pal. Ann. Rep., 1902, p. 570. 

 Dendrograptus(?) succulentus Ruedemann, Mem. New York State Mus., 7, pt. 



1, 1904, pp. 581-582, pi. 4, figs. 1-4, text figs. 16, 17. 

 Canadian: Deepkill, Rensselaer County, New York (Deepkill, Diplograptus 



dentatus zone); Point Levis, Quebec (Levis, D. dentatus zone). 



Dendrograptus tenuiramosus Walcott. See Mastigograptus tenuixamosus. 



Dendrograptus unilateralis Gurley. 



Dendrograptus imilateralis Gurley, Jour. Geol., 4, 1896, p. 84. 

 Trenton (Magog): Magog, Quebec. 



DEOCRINUS Hudson. Genotype: Rhodocrinus asperatus Billings. 



Deocrinus Hudson, Bull. New York State Mus., 107, 1907, p. 121. 



Deocrlnus asperatus (Billings). 



Rhodocrinus asperatus Billings, Geol. Sui^v. Canada, dec. 4, 1859, p. 27, pi. 1, 

 figs. 4a-4e. 



Archaeocrinus asperatus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1886, p. 301. 



Deocrinus asperatus Hudson, Bull. New York State Mus., 107, 1907, p. 122, fig. 

 5, pi. 8. 



Chazyan (Aylmer): Near Montreal, Quebec. 



DERMATOSTROMA Parks. Genotype: Stromatopora papillatum James. 



Dermatostroma Parks, Univ. Toronto Studies, Geol. Series, 7, 1910, p. 29. 



Dermatostroma canallculatum Parks. 



Dermatostroma canaliculatum Parks, Univ. Toronto Studies, Geol. Series, 7, 



1910, p. 35, pi. 24, figs. 8, 9. 

 Richmond (Waynesville) : Waynesville, Ohio. 

 Eolotype.—C&t. No. 40082, U.S.N.M. 



84243°— Bull. 92—15 26 



