214 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bull.87. 



Dignomia alveata Hall — Continued. 



Digiioniia alvoatii Hall, Notes on some New or Iini)erfootly Known ForniH among 

 the Brach., 1872, j). 2, jil. 11^, fig. 3; — Twenty-third Kej). New York State 

 Cab. Nat. Hist., 1873, pi. 13, iig. 3.— Hall and Claike, Pal. New York, VIII, 

 Ft. I, 1892, p. 14, pi. 1, ligs. 24, 25.— Clarke, Thirteenth Ann. Rep. New York 

 State Ceologist, 1895, p. 187, pi. 4, fig. 1. 

 Lor. Canand.iigiui Ijake, etc.. New York. 



DINOBOLUS II all. Genotype Obolus conradi Hall. 



Dinobolus Hall, Notes on some New or Imperfectly Known Forms among the 

 Brach., (March) 1871, p. 4;— Ibidem, 1872, p. 4 ;— Twenty-third Rep. 

 New York State Cab. Nat. Hist., 1873, p. 247.— Hall and Whitfield, Pal. 

 Ohio, II, 1873, p. 130.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, 

 pp. 36, 4G, 164 ;— Eleventh Ann. Rep. New York State Geologist, 1894, p. 237. 



Obolellina Billings, Canadian Nat. Geol., VI (December) 1871, p. 222;— Ibidem, 

 VI, 1872, p. 326, figs. 1, 2;— American Jonr. Sci., 3d ser.. Ill, 1872, p. 270. 



Conradia Hall (non Adams), Twenty-third Rep. New York State Cab. Nat. Hist., 



1873, p. 250. — Davidson and King, Quart. .Tour. Geol. Soc. London, XXX, 



1871, p. 159. 



Dinobolus canadaensis (Billings). Black Elver and Trenton (Ord.). 



Obolus canadensis Billings, Canadian Nat. Geol., Ill, 1858, p. 441, fig. 20-23 (non 

 fig. 19 = D. maguificus) ; — Geol. Survey Canada; Rep. Prog, for 1857, 1858, p. 

 189, figs. 20-23 (non fig. 19) ;— Geol. Canada, 1863, p. 142, figs. 75. 



Obolellina canadensis Billings, Canadian Nat. Geol., VI, 1871, p. 222; — Ibidem, 



1872, p. 326, fig. 15; fig. 6, p. 329. 



Dinobolus canadensis Davidson and King, Quart. .lour. Geol. Soc. London, XXX, 



1874, p. 162, pi. 19, fig. 7. 



Loc. Pauqnette Rapids, etc., Canada. 



Dinobolus conradi Hall. Magara (Sil.). 



Obolus conradi Hall, Twentietli Rep. New York State Cab. Nat. Hist., 1868, p. 



368, pi. 13, figs. 1, 2. 

 Obolus (Trimerella ?) conradi Meek and Worthen, Geol. Survey Illinois, III, 1868, 



p. 351, pi. 5, fig. 7. 

 Trimerella conradi Dall, American Jour. Conch., VII, 1871, p. 83. 

 Dinobolus conradi Hall, Twenty-third Rep. New York State Cab. Nat. Hist., 



1873, p. 247 (also extracts 1871, 1872). — Davidson and King, Quart. Jour. 

 Geol. Soc. London, XXX, 1874, p. 160, pi. 18, figs. 1-5.— Hall and Whitfield, 

 Pal. Ohio, II, 1875, p. 130, pi. 7, figs. 3, 4.— Hall and Clarke, Pal. New York, 

 VIII, Pt. I, 1892, p. 38, pi. 4B, figs. 13-24. 



Loc. Port Byron, Illinois; Leclaire, Iowa; Racine and Grafton, Wisconsin; 

 Crawford, Ohio; England; Gotland. 



Dinobolus magnificus (Billings). Black Eiver-Trenton (Ord.). 



obolus canadensis Billings (partim), Geol. Surv. Canada, Rep. Prog, for 1857, 1858, 

 p. 189, fig. 19 (non 20-23) ;— Canadian Nat. Geol., Ill, 1858, p. 441, fig. 19 (non 

 figs. 20-23 = D. canadensis). 



Obolellina maguificus Billings, Ibidem, n. ser., VI, 1872, p. 329, fig. 7. 



Dinobolus magnilicus Davidson and King, Quart. Jour. Geol. Soc. London, XXX, 



1874, p. 164, pi. 19, fig. 8.— Nicholson, Pal. Prov. Ontario, 1875, p. 17, fig. 6. 

 Loc. Pauqnette Rapids, etc., Canada. 



Dinobolus(?) parvus Whitfield. Galena (Ord.). 



]»inobolusf parvus Whitfield, Geol. Wisconsin, IV, 1882, p. 347, pi. 27, figs. 



8-10. — Winchell and Schuchert, Minnesota Geol. Survey, III, 1893, p. 356, 



fig. 27.— Whiteaves, Pal. Foss., Ill, Pt. HI, 1897, ]>. 166. 

 Loc. Whitewater, Wisconsin; Wykoti', Minnesota ; Lake Winnipeg, Canada. 



