BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 103 



Basilicus marginalis Continued. 



Basilicus marginalis Raymond, 7th Rep. State Geol. Vermont, 1910, p. 220, pi. 

 32, figs. 17-20; pi. 34, figs. 8-10; pi. 37, fig. 6; pi. 39, figs. 1-2; Ann. Carnegie 

 Mus., 7, No. 1, 1910, p. 62, fig. 1; pi. 17, fig. 6; pi. 19, figs. 1, 2. 

 Asaphus alpha Raymond, Ann. Carnegie Mus., 3, 1905, p. 342, pi. 12, fig. 9. 

 Asaphus gamma Raymond, Ann. Carnegie Mus., 3, 1905, p. 342, pi. 12, fig. 10. 

 Chazyan (Day Point, Crown Point): Chazy, Valcour Island, etc., New York. 



Observation. See also Gerasaphes ulrichana Ruedemann (not Clarke) for a 

 possible synonym. 



Basilicus? vetustus (Hall). 



Ogygia? vetusta Hall, Pal. New York, 1, 1847, p. 227, pi. 60, fig. 1. Emmons, 



Amer. Geol., 1, pt. 2, 1855, p. 216, fig. 72. 

 Asaphus vetustus Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 72 



(gen. ref.). 

 Black River (Lowville): Mohawk Valley, New York. 



BATHYCCELIA Foerste. See Pianodema Foerste. 



BATHYTJRELLUS Billings. Genotype: Bathyurellus abruptus Billings. 



Bathyurellus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, pp. 262, 263. 

 Walcott, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1877, p. 94, 

 footnote; mus. ed., 1879. Dames, Richthofen's China, Berlin, 4, 1883, p. 5. 

 Zittel, Handb. Pal., 2, 1885, p. 602. Miller, N. A. Geol. Pal., 1889, p. 533. 

 Raymond, Ann. Carnegie Mus., 3, No. 2, 1905, p. 337; Zittel-Eastman Textb. 

 Pal., 1913, p. 718. 



Bathyurellus abruptus Billings. 



Bathyurellus abruptus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 263, 



fig. 247 (?250). 

 Canadian (Quebec F, G, H): Port aux Choix and Keppel Island, Newfoundland. 



Bathyurellus brevispinus Raymond. 



Bathyurellus brevispinus Raymond, Ann. Carnegie Mus., 3, 1905, p. 337, pi. 10, 



figs. 13-15; 7th Rep. State Geol. Vermont, 1910, p. 218, pi. 32, figs. 13-15. 

 Chazyan: Three miles east of Chazy, New York (Day Point); Mingan Islands, 



Canada (Mingan). 



Bathyurellus expansus Billings. 



Bathyurellus expansus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 318, 



fig. 306a, b. 

 Canadian (Beekmantown): Stanbridge, Quebec. 



Bathyurellus formosus Billings. 



Bathyurellus formosus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 206, 



fig. 250. 



Chazyan (Quebec P): Cow Head, Newfoundland. 

 Observation. Compare Bathyurellus brevispinus Raymond. 



Bathyurellus fraternus Billings. 



Bathyurellus fraternus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 267, 



fig. 251, a, b. 

 Chazyan: Cow Head, Newfoundland (Quebec P); Mingan Islands, Canada 



(Mingan). 



Bathyurellus litoreus Billings. 



Bathyurellus litoreus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 320. 

 Ozarkian? (Levis-erratic): Point Levis, Quebec. 



