1254 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 

 SYRINGOPORA TENELLA Rominger. See Ceratopora tenella. 



Syringopora verticillata Goldfuss. 



Syringopora verticillata Gold fuss, Petrefacta Germ., 1826, p. 76, pi. 25, figs. 6a, b; 

 2d ed., 1862, p. 71. Eaton, Geol. Textb., 2d ed., 1832, p. 41, pi. 5, fig. 63. 

 Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. 

 d'Hist. Nat., 5), p. 291. Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 

 1858, p. 170; Canadian Nat. Geol, 3, 1858, p. 423. Milne-Edwards, Hist. Nat. 

 d. Corall., 3, 1860, p. 291. Billings, Geol. Canada, Geol. Surv. Canada, 1863, 

 p. 306, fig. 305. Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 80, pi. 30, 

 figs. 1, 2. Whitfield, Geol. Wisconsin, 4, 1882, p. 272, pi. 14, fig. 6. Chamber- 

 lin, Geol. Wisconsin, 1, 1883, p. 190, fig. Hall, 12th Ann. Rep. Indiana 

 Dep. Geol. Nat. Hist., 1883, p. 254, pi. 3, fig. 5. Lambe, Cont. Can. Pal., 

 Geol. Surv. Canada, 4, pt. 1, 1899, p. 50. Lesley, Geol. Surv. Pennsylvania, 

 Rep. P 4, 1890, p. 1148, fig. Grabau and Shimer, N. A. Index Fossils, 1, 

 1906, p. 82. Lambe, Cruise of the "Neptune," App. 4, 1906, p. 325. 

 Niagaran: Drummond Island, Lake Huron; Point Detour, etc., Michigan; Wis- 

 consin; Lake Temiscaming, Quebec; Anticosti; Southampton Island, Arctic 

 America. 



STRINGOSTROMA Nicholson. Genotype: S. columnare Nicholson. 



Syringostroma Nicholson, Geol. Surv. Ohio, Pal., 2, 1875, p. 251. Dawson, 

 Quart. Jour. Geol. Soc. London, 35, 1879, p. 56. Nicholson, Mon. British 

 Strom., Pal. Soc., 1886, p. 97. Miller, N. A. Geol. Pal., 1889, p. 166. Girty, 

 48th Rep. New York State Mus., 2, 1895, p. 289; 14th Rep. State Geol. New 

 York for 1894, 1897, p. 289. Parks, Univ. Toronto Studies, Geol. Ser., No. 6, 

 1909, p. 8. 



Syringostroma barretti Girty. 



Syringostroma barretti Girty, 48th Rep. New York State Mus., 2, 1895, p. 296, pi. 

 7, figs. 5, 6. Parks, Univ. Toronto Studies, Geol. Ser., No. 6, 1909, pp. 16-19. 

 Swartz, Maryland Geol. Surv., Low. Dev., 1913, p. 224, pi. 28, figs. 3, 4. 



Stromatopora (Syringostroma) barretti Grabau and Shimer, N. A. Index Fossils, 

 1, 1909, p. 45, fig. 72. 



Helderbergian: Indian Ladder, New York (Coeymans); south of Cookerly, Mary- 

 land (Keyser). 



Syringostroma centrotum Girty. 



Syringostroma centrotum Girty, 48th Rep. New York State Mus., 2, 1894, p. 293, 

 pi. 7, figs. 1, 2. Parks, Univ. Toronto Studies, Geol. Ser., No. 6, 1909, p. 

 12-14. Swartz, Maryland Geol. Surv., Low. Dev., 1913, p. 225, pi. 28, figs. 

 5, 6; pi. 30, fig. 2. 



Stromatopora (Syringostroma) centrota Grabau and Shimer, N. A. Index Fossils, 

 1, 1909, p. 45, fig. 72. 



Helderbergian: Herkimer County, New York; near signal station, Warrior Moun- 

 tain, Maryland (Keyser). 



Syringostroma niagarense Parks. 



Syringostroma niagarense Parks, Univ. Toronto Studies, Geol. Ser., No. 5, 1908, 



p. 52, pi. 10, figs. 1, 2, 5, 7. 

 Niagaran: North shore of Lake Michigan; Drummond Island ; drift at Ann Arbor, 



Michigan. 

 Holotype Cat. No. 36933, U.S.N.M. 



