BEY. BOR.] 



CRUSTACEA. 



535 



valve, magnified 25 

 diam - 



fcetoidea, White & St. John, 1868, Trans. 



Chi. Acad. Sci., p. 126, Up. Coal Meas. 

 granulosa, Hall, 28th Rep. N. Y. St. Mus. 



Nat. Hist., p. 186, Niagara Gr. 



granulata, Hall, 

 1859, Pal. N. Y., 

 vol. 3, p. 377, 

 Low. Held. Gr. 

 jonesi, Dawson, 

 1868, Acad. 

 Geol., p. 312, 

 Carboniferous. 

 kluBdeni var. aca- 

 dica, 1889, Ann. 

 and. Mag. Nat. 



Hist., 6th ser., vol. 3, p. 379, Low. 



Held. Gr. 

 lata, Vanuxem, 1842, (Agnostus latus,) 



Geo. Rep. N. Y., p. 80, and Pal. N. Y., 



vol. 2, p. 301, Clinton Gr. 

 lithofactor, White & St. John, 1868, Pre- 



lim. Notice of New Foss., Coal Meas. 

 logani, see Primitia logani. 

 logani var. leperditaides, see Primitia leper- 



ditoides. 

 logani var. reniformis, see Primitia reni- 



formis. 

 maccoyana, Jones, 1855, Ann. and Mag. 



Nat. Hist., 2d ser., vol. 16, p. 88, Onon- 



daga Gr. 

 notata, Hall, 1859, Pal. N. Y., vol. 3, p. 



379, Low. Held. Gr. 

 notata var. ventricosa, Hall, 1859, Pal. 



N. Y., vol. 3, p. 380, Low. Held. Gr. 

 novascotia, Jones & Kirby, 1884, Lond. 



Geo. Mag., 3d ser., vol. 1, p. 356, Car- 



boniferous. 

 occidentals, Walcott, 1885, Monogr. TJ. S. 



Sur., vol. 8, p. 204, Devonian. 

 oculifera, Hall, 1871, 24th Rep. N. Y. St. 



Mus. Nat. Hist., p. 232, Hud Riv. Gr. 

 oculina, Hall, 1859, Pal. N. Y., vol. 3, p. 



378, Low. Held. Gr. 

 pennsylvanica, Jones, 1858, Ann. and 



Mag". Nat. Hist., 3d ser., vol. 1, p. 253, 



Onondaga Gr. 

 persulcata, Ulrich, 1879, Jour. Gin. Soc. 



Nat. Hist., vol. 2, p. 12, Hud. Riv. Gr. 

 petrifactor, White & St. John, 1868, 



Trans. Chi. Acad. Sci., p. 125, St. 



Louis Gr. 

 petrifactor var. velata, White & St. John, 



1868, Trans. Chi. Acad. Sci., p. 126, St. 



Louis Gr. 

 plagosa, Jones, 1858, Ann. and Mag. Nat. 



Hist., 3d ser., vol. 1, p. 243, Niagara Gr. 

 punctulifera, Hall, 1862, 15th Rep. N. Y. 



St. Mus. Nat. Hist., p. 83, Ham. Gr. 

 pustulosa, Hall, 1860, Can. Nat. and 



Geo., vol. 5, p. 157, and 



Acad. Geol., p. 609, Up. 



Silurian. 

 quadrilirata, Hall & Whit- FlQ 978 _ B 



field, syn. for Beynchia richia richard- 



regularis. soni. Mag. 6^ 



regularis, Emmons, 1855, dlam - 



Am. Geo., p. 219, Hud. Riv. Gr. 

 richardsoni, S. A. Miller, 1874, Cin. Quar. 



Jour. Sci., vol. 1, p. 347, Hud. Riv. Gr. 



rugulifera, see Primitia rugulifera. 



sigillata, see Primitia sigillata. 



spinosa, Hall, 1852, (Cytherina spinosa,) 

 Pal. N. Y., vol. 2, p. 317, Niagara Gr. 



striato - margin- 

 ata, S. A. Mil- 

 ler, 1874, Cin. 

 Quar. Jour. 

 Sci., vol. 1, p. 

 233, Hud. 

 Riv.Gr. This 

 species prob- 

 ably belongs FIQ 97 9._ Be yrichia strlato- 

 to an unde- marginata. Mag. 20 diam. 

 fined genus. 



symmetrica, Hall, 1852, Pal. N. Y., vol. 2, 

 p. 317, Niagara Gr. 



trisulcata, Hall, 1859, Pal. N. Y., vol. 3, 

 p. 381, Low. Held. Gr. 



tumifrons, Hall, syn. for Beyrichia ciliata. 



venusta, Billings, 1868, Catal. Sil. Foss. 



Antic., p. 68. Anticosti Gr. 

 BEYRICHONA, Matthew, 1885, Trans. Roy. 

 Soc. Can., p. 65. [Ety. from the genus 

 Beyrichia.] Breadth and length nearly 

 equal, broad end anterior, subtrigonal 

 toward the base, rounded on the sur- 

 face and having two furrows, short and 

 faintly impressed. Type B. papilio. 



papilio, Matthew, 1885, Trans. Roy. Soc. 

 Can., p. 65, St. John Gr. 



tinea, Matthew, 1885, Trans. Roy. Soc. 



Can., p. 66, St. John Gr. 

 Brongniartia, Eaton, 1832, Geo. Text Book, 



syn. for Asaphus. 



BRONTEUS, Goldfuss, 1839, Nova. Act. Phys. 

 Med. Csesarae Leop. Carol. Nat. Cu- 

 rios, xix, p. 360. [Ety. mythological 

 name.] Glabella depressed, ovate, 

 widest in front, three pair, of segmental 

 furrows, anterior ones farthest apart; 

 eye-line proceeding upward from the 

 middle of each side of the posterior 

 margin, with a short, sigmoidal curve to 

 the eye-lobe, and thence curving in- 

 ward and forward to the front ; thorax 

 of ten segments, axial lobe equaling the 

 lateral lobes in width, lateral lobes flat, 

 without facets, bent backward at the 

 tip, no pleural groove ; pygidium semi- 

 orbicular with a flattened entire mar- 

 gin, axial lobe 

 short, sulci pro- 

 longed toward 

 the margin, lat- 

 eral folds broad, 

 not reaching the 

 margin. Type j 

 B. altaceus. 



acamas, Hall, syn. 

 for B. occasus. 



barrandi, Hall, 

 1859, Pal. N. Y., 

 vol. 3, p. 350, 

 Low. Held. Gr. 



canadensis, Logan, 

 1846, Rep. Geo. 

 Sur. Canada, App. G. G. G. of Legis- 

 lative Documents, Low. Held. Gr. 



