BIBUOGRAPHIC LIST OF GENERA AND SPECIES. 23 



Agnostus communis Hall and Whitfield. 



Agnostua communis Hall and Whitfield, U. S. Geol. Expl. 40th Pari., 4, 1877, 



p. 228, pi. 1, figs. 28, 29.— Walcott, Mono. U. S. Geol. Surv., 8, 1884, p. 27.— 



Brogger, Geol. Foren. Stockholm Forhandl., 8, 1886, p. 207. — Vogdes, Amer- 



Geol., 9, 1892, p. 390, pi. 9, fig. 15. 



Cambrian and ?Ordovician (Pogonip): White Pine and Eureka Districts, Nevada. 



Agnostus cyclopyctE Tullberg. See Lejopyge cyclopyge. 



Agnostu.s fabius Billings. 



Agnostus Fabius Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 298, text fig. 



289.— Vogdes, Amer. Geol., 9, 1892, p. 396, pi. 9, fig. 10. 

 Chazyan (Quebec — N, P): Table Head, Pistolet Bay and four miles northeast Port. 



land Creek, Newfoundland. 



Agnostus galba Billings. See Aithi-orrachis galba. 



Agnostus latus VAnuxem. See Beyrichia lata. 



Agnostus orion Billings. 



Agnostus Orion Billings, Canadian Nat. Geol., 5, 1860, p. 304, fig. 2; Geol. Canada, 



Geol. Surv. Canada, 1863, p. 233, fig. 251.— Shumard, Trans. Acad. Sci. St. 



Louis, 2, 1863, p. 105.— Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 



397, fig. 373.— Vogdes, Amer. Geol., 9, 1893, p. 391, pi. 9, fig. 12. 

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



Agnostus pisiformis (Linnaeus). 



Entomolithus paradoxus pisiformis Linnteus, Inter Scan., 1757, p. 122. 



Agnostus pisiformis Brongniart, Crust, foss., 1822, p. 38. — Roemer, Leth. geog., 1. 

 Leth. Pal., Atlas, 1876, pi. 1, fig. 2a. — Tullberg, Sveriges Geol. Uuders., 

 Ser. C, No. 42, 1880, p. 25, pi. 2, fig. 14.— Salter, Mem. Geol. Surv. Great 

 Britain, 2d ed., 1881, p. 489.— Brogger, Die sil. Etagen 2-3, Kristiania, 1882, 

 p. 55 (cites bibliography). — Wallerius, Unders, Zonen med Agnostus 110%^- 

 gatus i Vestergotland, Lund, 1895, p. 43. — Koken, Die Leitfossilien, Leipzig, 

 1896, p. 11, fig. 6; p. 347, fig. 242, 1. 



Agnostus pisiformis var. Matthew, Trans. Roy. Soc. Canada, 9, sec. 4, 1892, p. 59, 

 pi. 13, fig. la, b; ibid., 1898, p. 138, pi. 2, figs. la-c. 



Lower Ordovician: Europe. 



Canadian (Bretonian — Div. C3a): Long Island, Kennebecasis River, New Bruns- 

 wick. 



Agnostus pisiformis afflnis Matthew. 



Agnostus pisiformis mut. affinis Matthew, Trans. Royal Soc. Canada, 2d ser., 4, 



sec. 4, 1898, p. 137, pi. 2, fig. 3. 

 Canadian (Bretonian — Div. C 3a): Kennebecasis Valley, New Brunswick. 



Agnostus pisiformis rugulosus Matthew. 



Agnostus pisiformis mut. rugulosus Matthew, Trans. Royal Soc. Canada, 2d ser. 



4, sec. 4, 1898, p. 137, pi. 2, fig. 2. 

 Canadian (Bretonian — Div. C 3a): Kennebecasis Valley, New Brunswick. 



Agnostus pisiformis valldus Matthew. 



Agnostus pisiformis mut. valida Matthew, Trans. Royal Soc. Canada, 2d ser., 4, 



sec. 4, 1898, p. 137. 

 Canadian (Bretonian — Div. C 3a): Kennebecasis Valley, New Brunswick. 



