226 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CiiATHKODicTYON FRANKLiNENSE Ami. See Actinostroma franklinense. 



Clathrodictyon ostlolatuin (Nicholson). 



Stromatopora ostiolata Nicholson, Ann. Mag. Nat. Hist., 4th ser., 12, 1873, p. 90, pi. 

 4, fig. la; Pal. Prov. Ontario, 1874, pi. 1, fig. 1, la; pt. 2, 1875, p. 63.— 

 Nicholson and Murie, Jour. Linn. Soc. London, Zool., 14, 1878, p. 219, pi. 2, 

 figs. 1, 2.— Nicholson, Ann. Mag. Nat. Hist., 4th ser., 12, 1890, pi. 5, fig. la. 



Clathrodictyon (Stromatopora) ostiolatum Nicholson, Mon. British Strom., pt. 1, 

 1886, p. 14. 



Clathrodictyon ostiolatum Nicholson, Ann. Mag. Nat. Hist., 5th ser., 19, 1887, 

 p. 11, pi. 3, figs. 1-3.— Whiteaves, Pal. Foss., 3, pt. 2, 1895, p. 52; Can. Rec. 

 Sci., 7, 1896, p. 135.— Ruedemann, Mem. New York State Mus., 5, 1903, p. 37, 

 pi. 1, figs. 10-12.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 41.— 

 Whiteaves, Pal. Foss., 3, pt. 4, 1906, p. 328.— Parks, Univ. Toronto Studies, 

 Geol. Ser., No. 4, 1907, p. 12, pi. 2, figs. 1-2; pi. 5, figs. 7, 8; No. 5, 1908, p. 

 26.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 87, pi. 8, fig. 6; 

 pi. 13, fig. 1; pi. 16, fig. 18. 



Niagaran: Ontaiioand Shelby and Rochester, New York (Guelph); Owen Sound 

 and Manitoulin Island. 



Upper Monroan (Anderdon) : Detroit River, Canada. 



Clathrodictyon rectum Parks. 



Clathrodictyon rectum Parks, Univ. Toronto Studies, Geol. Ser., No. 5, 1908, 



p. 28, pi. 14, figs. 5, 7. 

 Niagaran (Louisville): Louisville. Kentucky. 



Clathrodictyon striatellum (D'Orbigny). 



Stromatopora concentrica Lonsdale, Sil. Syst., 1839, p. 680, pi. 15, fig. 31. 

 Stromatopora striatella D'Orbigny, Prod. Pal., 1, 1850, p. 51. — Nicholson and 



Hinde, Canadian Jour., n. s., 14, 1874, p. 145. — Nicholson, Rep. Pal. Prov. 



Ontario, pt. 2, 1875, p. 49.— Roemer, Leth. Geog., pt. 1, Leth. Pal., 1883, 



p. 540.— Whiteaves, Canadian Rec. Sci., 7, 1896, p. 144. 

 Stromatopora mammillata Schmidt, Sil. Form von Esthland, 1858, p. 232. — Von 



Rosen, Ueber die Natur. der Strom., 1867, p. 71, pi. 8, figs. 1-5.— Roemer, 



Leth. Geog., pt. 1, Leth. Pal., 1, 1883, p. 531, fig. 125. 

 Coenostoma botryoideum Spencer, Bull. Mus. Univ. State Missouri, 1, 1884, p. 59, 



pi. 6, figs. 13-13b; Trans. Acad. Sci. St. Louis, 4, 1884, p. 600, pi. 6, figs. 



13-13b. 

 Clathrodictyon striatellum Nicholson, Ann. Mag. Nat. Hist., 5th ser., 19, 1887, p. 



6, pi. 1, figs. 9, 10; Mon. British Strom., 1886, p. 156, pi. 1, fig. 1, pi. 5, fig. 3; 



pi. 19, figs. 6-12.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 40, fig. 



61b.— Parks, Univ. Toronto Studies, Geol. Ser., No. 4, 1907, p. 14, pi. 1, figs. 



3, 4; pi. 6, fig. 8; No. 5, 1908, p. 25; No. 6, 1909, p. 28. 

 Silurian: England, Gotland, and Esthonia. 



Niagaran: Guelph, Hamilton, Owen Sound, islands of Lake Huron, Southamp- 

 ton Island, Hudson Bay, etc., Canada. 



Clathrodictyon variolare (Von Rosen). 



Stromatopora variolaris Von Rosen, Ueber die Natur der Stromatoporen, 1867, 

 p. 61, pi. 2, figs. 2-5. 



Clathrodictyon variolare Nicholson, Ann. Mag. Nat. Hist., 5th ser., 7, 1887, p. 4, 

 pi. 1, figs. 4-6; Mon. British Strom., 1892, p. 150, pi. 18, figs. 1-5, pi. 17, 

 fig. 14.— Whiteaves, Canadian Rec. Sci., 7, 1897, p. 130.— Parks, Univ. 

 Toronto Studies, Geol. Ser., No. 5, 1908, p. 19, pi. 7, fig. 2, pi. 8. figs. 1, 9.— 

 1, 9.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 89, pi. 9, figs. 1, 2. 



