BIBLIOGRAPHIC UST OF GENERA AND SPECIES. 23 



Agnostus communls Hall and Whitfield. 



Agnostus communis Hall and Whitfield, U. S. Geol. Expl. 40th Parl., 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. 



AC-NOSTUS CYCLOPYGE Tullberg. See Lejopyge cyclopyge. 



Agnostus 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 Arthrorrachis 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? (Le vis-erratic): Point Levis, Quebec. 



Agnostus pisiformis (Linnaeus). 



Entomolithus paradoxus pisiformis Linnaeus, 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. Unders., 

 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 Isevi- 

 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 validus Matthew. 



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



sec. 4, 1898, p. 137. 

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



