228 SYNOPSIS OF AMERICAN FOSSIL BRACJIIOPODA. [bull. 87. 



Hebertella battis (nilliii^s). Calcilerous (Ord.). 



Orthis biittis Hillings, Pal. Fossils, I, 1865, p. 185. 



lliibortflla Hall and Clarke, Pal. New York, VIII, Pt. T, 1892, p. 221'. 



l.oc. Pt)int Levis, Canada. 



Hebertella bellirugosa (Conrad). Trenton (Ord.l. 



Orthis bellarugosa Conrad, Proc. Acad. Nat. Sei. Philadelphia, I, 1843, p. 333.— 

 Hall, Pal. New York, I, 1847, p. 118, pi. 32, fig. 3. 



Hebertella bellarngosa Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 222. 



Orthis (Hebertella?) bellarugosa Wiuchell and Schuchert, Minnesota Geol. Sur- 

 vey, III, 1893, p. 434, pi. 33, tigs. 1-1. 



Loc. ^Mineral Point, .Jauesville, Neonah, etc., Wisconsin; Minneapolis, St. Paul, 

 Cannon Falls, etc., Minnesota; Decorah and McGregor, Iowa; Curdsville, 

 Kentuckj- ; Rutherford County, Tennessee. 



Hebertella borealis (Billiugs). Cliazy-Trenton (Ord.). 



Orthis borealis Billings, Canadian Nat. Geol., IV, 1850, p. 436, fig. 14;— Geol. 

 Canada, 1863, p. 129, fig. m- p. 167, tig. 148.— Meek, I'al. Ohio, I, 1873, p. 101, 

 pi. 8, tig. 4. — Miller, Cincinnati Quart. .Jour. Sei., II. 1875, p. 28. — Nettelroth, 

 Kentucky Fossil Shells' Mem. Kentucky Geol. Survey, 1889, p.36, pi. 34, figs. 

 14-20. 



Hebertella borealis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 222. 



Orthis (Hebertella) borealis Wincliell and Schuchert, Minnesota Geol. Survey, 

 III, 1893, p. 433, fig. 33. 



Loc. Caughnawaga, St. Genevieve, Isle Bizard, and Cornwall, Cnnada; Frank- 

 fort, Kentucky; Nashville, Tennessee; Cannon Falls, etc., ^Minnesota; Wis- 

 consin (Whitfield). 



Hebertella daytonensis (Foerste). Clinton (Sil.). 



Orthis daytonensis Foerste, Bull. Denison Univ., I, 1885, p. 87, pi. 13, figs. 13, 



20, 21. 

 Hebertella daytonensis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 222. 

 Orthis (Hebertella) daytonensis Foerste, Geol. Ohio, VII, 1895, p. 575, pi. 25, 



figs. 13, 20, 21. 

 Loc. Dayton, Ohio. 



Hebertella fausta (Foerste). Clinton (Sil.). 



Orthis fausta Foerste, Bull. Denison Univ., I, 1885, p. 85, pi. 13, figs. 15, 16. 

 Hebertella fausta Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 222. 

 Orthis (Hebertella) fausta and var. squamosa Foerste, Geol. Ohio, VII, 1895, pp. 



573, 574, pi. 25, figs. 15a-15d, 16a, 16b; pi. 37A, figs. 19a, 19b. 

 Loc. Dayton, Ohio. 



Hebertella imperator (Billings). Chazy (Ord,). 



Orthis imperator Billiugs, Canadian Nat. Geol., IV, 1859, p. 435, figs. 11-13; — 



Geol. Canada, 1863, p. 129, fig. 55. 

 Hebertella imperator Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 222. 

 Loc. Hawkesbury and Cornwall, Canada. 



Hebertella insculpta Hall. Lorraine (Ord.). 



Orthis insculpta Hall, Pal. New York, I, 1847, p. 125, pi. 32, fig. 12.— Billings, 

 Geol. Canada, 1863, p. 167, fig. 150.— Meek, Pal. Ohio, I, 1873, p. 99, pi. 9, 

 fig. 1. — Miller, Cincinnati Quart. Jour. Sei., II, 187.5, p. 40. 



Orthis bellarugosa Hall (nou Conrad), Second Ann. Rep. New York State Geol., 

 1883, pi. 35, fig. 22. 



Hebertella insculpta Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 222, 

 pi. 5A, fig. 13. 



