BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 17 



Actiiiopterla dispar Williams. 



Actinopteria dispar Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 343, pi. 30, 



figs. 20, 21. 



Silurian (Pembroke): Leighton Cove, Washington County, Maine. 

 Cotypes. Cat. No. 58966, U.S.N.M. 



A< TINOPTERIA EMACERATA Whitfield and Hovcy. See Pterim-u emarorata. 



Actinopteria fornicata Williams. 



Actinopteria fornicata Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 343, pi. 30, 



figs. 14-16. 



Silurian (Pembroke): Youngs Cove, Washington County, Maine. 

 Holotype.Czt. No. 58965, U.S.N.M. 



Actinopteria reticulata Weller. 



Actinopteria reticulata Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 245, pi. 

 22, fig. 3. Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 459, pi. 76, 

 fig. 6. 



Helderbergian : Near Tri States, New York (Decker Ferry) ; Keyser, West Virginia 

 (Keyser). 



ACTINOSTOMA Young and Young. See Fenestella Lonsdale. 



ACTINOSTROMA Nicholson. Genotype: A. clathratum Nicholson. 



Actinostroma Nicholson, Mon. British Strom., Pal. Soc., 1886, p. 75. Ulrich, 



Geol. Surv. Illinois, 8, 1890, p. 221. Pocta, Syst. Sil. Centre Boheme, 8, pt. 



1, 1894, p. 142. Zittel-Eastman Textb. Pal., 1, 1900, p. 112; 2d ed., 1913, p. 



122. 



Actinostroma franklineuso Parks. 



Clathrodictyon franklinense Ami., Cruise of the "Neptune," 1906, p. 329 (nom. 

 mid.). Actinostroma franklinense Parks, Univ. Toronto Studies, Geol. Ser. No. 6, 



1909, p. 27, pi. 19, figs. 3, 4. 

 Niagaran: Beechy Island, Lancaster Sound, Canada. 



ACTINOSTROMA INFLECTUM Parks. See Actinostroma tenuifilatuni inflectum. 



Actinostroma matutinum Nicholson. 



Actinostroma matutinum Nicholson, Ann. Mag. Nat. Hist., 6th ser., 7, 1891, p. 322, 



pi. 9, figs. 1, 2. Whiteaves, Canadian Bee. Sci., 7, 1895, p. 134. Parks, 



Univ. Toronto Studies, Geol. Ser., No. 5, 1908, p. 14. 

 Silurian: L'Anse au Gascon, Baie de Chaleur, Quebec. 



Actinostroma tenuifilatum Parks. 



Actinostroma tenuifilatum Parks, Univ. Toronto Studies, Geol. Ser., No. 5, 1908, 



p. 10, pi. 9, figs. 1-3; Ibid., No. 6, 1909, p. 25. 

 Niagaran: Ann Arbor, Michigan (drift); Drummonds Island, Lake Huron, I'agwa- 



chuan River, and Southampton Island, Hudson Bay, Canada. 

 Cotypes.C&t. Nos. 36828, 36829, U.S.N.M. 



Actinostroma tenuifilatum cylindricum Parks. 



Actinostroma tenuifilatum var. cylindricum Parks, Univ. Toronto Studies, Geol. 



Ser., No. 6, 1909, p. 26. 

 Niagaran: Southampton Island, Hudson Bay, Canada. 



Actinostroma tenuifilatum inflectum Parks. 



Actinostroma inflectum Parks, Ottawa Nat., 22, 1898, p. 27; Univ. Toronto 

 Studies, Geol. Ser., No. 5, 1908, p. 11. 



84243 Bull. 9215 2 



