376 CALIFORNIA ACADEMY OF SCIENCES. 



BEYEICHIA. BOLLIA. 



TUMIFRONS H. & W., 1875; Pal. Ohio, vol. 2, p. 102, pi. 4, fig. 8. 



TUMIFRONS Miller, 1874; Cincinnati Quart. Jour. Sci., vol. 1, p. 119. 



This species is classed by Jones, 1890; Quart. Jour. Geol. Soc., 

 vol. 46, p. 19, as syn. Beyrichia ciliata Emmons. 



VENUSTA Bill., 1866; Catalogue Silurian Fossils Aiiticosti, p. 68. East 



Point, Chaloupe Kiver, Jumpers, etc., Div. 3, 4. 



BEYRICHNONA Matt., 1885; Trans. Koy. Soc. Canada, vol. 3, p. 65. 



PAPILIO Matt., 1885; Trans. Koy. Soc. Canada, vol. 3, p. 65, pi. 6, 



figs. 20a-b. Paradoxides zone. Div. 1 b 2 . Hanford brook, St. 

 Martin's, N. B. 



TINEA Matt., 1885; Trans. Koy. Soc. Canada, vol. 3, p. 66, pi. 6, figs. 



21, 21 a-b. Paradoxides zone. Div. 1 b 2 . Hanford brook, St. 

 Martin's, N. B. 



BOLLIA Jones and Holl, 1886; Annals Mag. Nat. Hist., 5th series, London, 

 vol. 17, p. 360. 



- BILOBATA Jones, 1890; Quart. Jour. Geol. Soc., vol. 46, p. 540, pi. 20, 



fig. 12. Ontario Co., N. Y. Devonian. 



HINDEI Jones, 1890; Quart. Jour. Geol. Soc. London, vol. 46, p. 540, 



pi. 20, fig. 5. 18 Mile Creek, N. Y. Devonian. 



GRANIFERA Ulrich, 1890; Jour. Cincinnati Soc. Nat. His., vol. 13, p. 



205, pi. 12, figs. 12, 12 a-b. Elizabethtown, Ky. St. Louis. 



Agnostus LATUS Van., 1842; Geol. New York, 3d Geol.Dist., p. 80. 



Clinton. 

 Beyrichia LATA Hall, 1852; Pal. New York, vol. 2, p. 301, pi. A 66, 



figs. 10 a-c. New Hartford, Oneida Co., N. Y. 



Beyrichia LATA Jones, 1858; Notes on Palaeozic Entomostraca, No. 2, 

 p. 168, pi. 6, fig. 13. 



- LATA Jones, 1890; Quart Jour. Geol. Soc., vol.46, p. 12, pi. 3, figs. 1-3. 



OBESA Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 13, p. 189, 



pi. 16, figs. 5, 5 a-b. Falls of the Ohio. Devonian. 



PERSULCATA Ulrich, 1890; Jour. Cincinnati Soc. Nat. Hist., vol. 13, 



p. 116, fig. 3. Covington, Ky. Cambrian. 



- PUMILA Ulrich, 1890; idem, p. 117, pi. 12, figs. 1, 1 a-b. Weisburg, 



Indiana. Cambrian. 



SEMILUNATA Jones, 1890; Quart. Jour. Geol. Soc. London, vol. 46, p. 



548, pi. 21, figs. 9, 9 a-b. Junction Cliff. Anticosti. Hudson. 



Beyrichia SYMMETRICA Hall, 1852; Pal. New York, vol. 2, p. 317, pi. 



67, fig. 16. Lockport, N. Y. Niagara. 



SYMMETRICA Jones, 1890; Quart. Jour. Geol. Soc., vol. 46, p. 12. This 



species is closely allied to Bollia lata. 



UNGULA (Claypole MS.) Jones, 1889; American Geologist, vol. 4, p. 



338, pi., figs, 10-13. Perry Co., near Bloomfield, Penn. Marcellus. 



- UNGULA Ulrich, 1890; Jour. Cincinnati Soc. Nat. His., vol. 13, p. 188 ; 



pi. 16. Falls of the Ohio. 



