376 CALIFORNIA ACADEMY OF SCIENCES. 



BEYKICHIA. BOLLIA. 



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



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



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

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



VENUSTA Bill., 1866; Catalogue Silurian Fossils Auticosti, 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. Roy. Soc. Canada, vol. 3, p. 65, pi. 6, 



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



Martin's, N. B. 



TINEA Matt., 1885; Trans. Roy. Soc. Canada, vol. 3, p. 66, jil. 6, figs. 



21, 21 a-b. Paradoxides zone. Div. 1 b'^ 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. 



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



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



GRANiFERA UWch, 1890; Jour. Cincinnati Soc. Nat. His., vol. 13, p. 



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



Agnosttis 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 Palfeozic 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. VVeisburg, 



Indiana. Cambrian. 



SEMiLUNATA Joues, 1890; Qiaart. 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. 



