BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1105 



RETIOLITES Continued. 



Retiolites Geiriitz, Amer. Jour. Sci. Arts, 2d ser., 14, 1852, p. 129; Bull. Soc. Geol. 

 France, 2d ser., 9, 1852, p. 187; Zeits. d. d. geol. Gesell., 3, 1852, p. 389. 

 Barrande, Neues Jahrb. f. Min., etc., 1852, p. 402. Hall, Geol. Surv. Canada, 

 dec. 2, 1865, p. 113. Nicholson, Quart. Jour. Geol. Soc. London, 24, 1868, 

 p. 529. Carruthers, Geol. Mag., 5, 1868, p. 73, 132. Hall, 20th Rep. New 

 York State Cab. Hist., 1868, p. 218; rev. ed., p. 251. Nicholson, Mon. British 

 Grapt., 1872, p. 120. Zittel, Handb. Pal., 1, 1879, p. 302. Tullberg, Sveriges 

 Geol. Unders., Ser. C, No. 55, 1883, p. 40. Spencer, Trans. Acad. Sci. St. 

 Louis, 4, 1884, p. 562, 566; Bull. Mus. Univ. State Missouri, 1, 1884, p. 16. 

 Jaekel, Zeits. d. d. geol. Gesell., 41, 1889, p. 686. Miller, N. A. Geol. Pal., 

 1889, p. 202. Koken, Die Leitfossilien, Leipzig, 1896, p. 329. Wiman, Nat. 

 Sci., 9, 1896, p. 240. Roemer and Freeh, Leth. geog., 1 Theil, Leth. Pal., 1, 

 3 Lief., 1897, p. 667. Zittel-Eastman Textb. Pal., 1, 1900, p. 119. Grabau 

 and Shimer, N. A. Index Fossils, 1, 1906, p. 34. Ruedemann, Mem. New 

 York State Mus., 11, pt. 2, 1908, pp. 467, 469; Zittel-Eastman Textb. Pal., 2d 

 ed., 1913, p. 132. 



RETIOLITES ENSIPORMIS Hall. See Trigonograptus ensiformis. 



Retiolites geinitzianus venosus (Hall). 



Graptolithus venosus Hall, Pal. New York, 2, 1852, p. 40, pi. 17A, fig. 2a-c. 

 Retiolites venosus Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 81 



(gen. ref.); Pal. New York, 3, 1859, p. 518; Geol. Surv. Canada, dec. 2, 1865, 



pp. 22, 47, 113, 114, pi. B, figs". 20-21; 20th Rep. New York State Cab. Nat. 



Hist., 1868, pi. 1, figs. 20, 21; rev. ed., 1870, p. 213, pi. 1, figs. 20, 21; p. 



224. Nicholson, Mon. British Grapt., 1872, p. 42, fig. 12. Roemer, Leth. 



geog., 1, Leth. Pal., Atlas, 1876, pi. 3, fig. 7. Roemer and Freeh, ibid., 1, 



3 Lief., 1897, p. 669, fig. 221. Elles and Wood, Mon. British Grapt,, Pal. 



Soc., 1903, p. xxxiii. Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 



34, fig. 55a. 



Gladiolites venosus Gurley, Jour. Geol., 4, 1896, p. 79, 308. 

 Retiolites geinitzianus var. venosus Ruedemann, Mem. New York State Mus., 11, 



pt. 2, 1908, p. 469, pi. 29, figs. 7, 8; pi. 31, figs. 6-8, figs. 449-455. 

 Not Retiolites venosus Spencer, Bull. Mus. Univ. State Missouri, 1, 1884, p. 16, pi. 



1, fig. 2; Trans. Acad. Sci. St. Louis, 4, 1884, pp. 564, 566, pi. 1, fig. 2. 



Miller, N. A. Geol. Pal., 1889, p. 202, fig. 215. (Probably not a graptolite.) 

 Clinton: Rochester, etc., New York; Arisaig, Nova Scotia. 



Retiolites (Gladiograptus) perlatus (Nicholson). 



Retiolites perlatus Nicholson, Quart. Jour. Geol. Soc., 24, 1868, p. 530, pi. 19 



figs. 21, 22. 



Retiolites cfr. perlatus Tornquist, Acta Univ. Lund., 26, 1890, p. 11, fig. 26, pi. 2. 

 Retiolites (Gladiograptus) perlatus Elles and Wood, Mon. British Grapt., 8, 1911, 



p. 338, pi. 34, figs. lOa-f. 

 Silurian: Ireland and Scotland (Llandovery-Birkhill and Skelgill); Blaylock 



Mountain, Montgomery County, Arkansas (Blaylock) [Ulrich]. 



RETIOLITES VENOSUS Hall. See Retiolites geinitzianus venosus. 



RETZIA Billings. See Rhynchospira Hall. 



KETZIA EVAX Hall. See Homoeospira evax. 



RETZIA FORMOSA Whitfield. See Rhynchospira prseformosa. 



RETZIA (TREMATOSPIRA) GRANULIFERA Meek. See Trematospira granulifar*. 



