OSTKACODA, SH 



Beyrichia arcuata, Bean, sp., 183G. Coal-measures, England; Upper 



Coal-measures, Scotland ; " Millstone-grit " Shales, Lanca- 

 shire ; Lower Carbonif. Shales, Scotland. 

 Beyrichia arcuata, Bean, 1836, Ann. & Mag. Nat. Hist. vol. ix. p. 377. fig. 55. 



Beyrichia Barrandiana, Jones, 1855. Lower Llandeilo, Mynydd-Garw, 



Beddgelert, N. Wales. 

 Beyrichia Barrandiana, Jones, 1855, Ann. & Mag. Nat. Hist. ser. 2, vol. xvi. 

 p p. 170, pi. \\. iig. 17. 



Beyrichia bituberculata, M'Coy, sp., 1844. Lower Carb. Yellow Sand- 

 stone, Cultra, Holy wood. 

 Cythere bituberculata, M'Coy, 1844, Syn. Carb. Foss. Irel. p. 165, pi. xxiii. 

 fig. 10; Jones & Kirkby, 1866, Ann. & Mag. Nat. Hist. ser. 3, vol. xviii. 

 p. 46 ; Jones, 1867, Trans. Geol. Soc. Glasgow, vol. ii. p. 280. 



Beyrichia colliculus ?, D'Eichwald, Jones, 1867. Lower Carb., Carluke. 



Beyrichia colliculus?, Jones, 1867, Trans. Geol. Soc. Glasgow, vol. ii. p. 280; 

 id. 1870, Cat. West. Scot. Foss. p. 43. 



Beyrichia complicata, Salter, 1866. Caradoc, Abermarchant ; Llandeilo 



Rocks, S. Wales. 

 Beyrichia complicata, Salter, 1866, Mem. Geol. Surv. vol. ii. pt. 1, p. 352, pi. viii. 

 fig. 16, & vol. iii. p. 295, pi. xix. fig. 9 ; Jones, 1855, Ann. & Mag. Nat. Hist, 

 ser. 2, vol. xvi. p. 163, pi. vi. figs. 1-5. 



Beyrichia complicata, var. decorata, Jones, 1855. Lower Silurian, 



Abermarchant. 



Beyrichia complanata, var. decorata, Jones, 1855, Ann. & Mag. Nat. Hist. 

 ser. 2, vol. xvi. p. 165, pi. vi. fig. 6. 



Beyrichia fastigiata, Jones, 1867. Lower Carb. Series, Craigenglen, 



Beyrichia fastiyiata, Jones, 1867, Trans. Geol. Soc. Glasgow, vol. ii. p. 280; 

 id. 1876, Cat. West. Scot. Foss. p. 43. 



Beyrichia gibba, Salter, 1848. Llandeilo Slate-Mill, Marloes District. 



Bci/richid (/ihba, Salter, 1848, Mem. Geol. Surv. vol. ii. pt. 1, p. 352, pi. viii. 

 figs. 17 ■& 18. 



Beyrichia impendens, Jones, 1870. Upper Silurian, Pcntland Hills. 



Beyrichia iinpoidens, Jones, 1870, Pal. Biv. Entom., Proc. Geol. Assoc, p. 11, & 

 p. 13. figs. 4 a & 4 6. 



Beyrichia Jonesii, Boll, 1856. Upper Silurian, Malvern, Gotland, 



Germany, and X. .A.merica. 

 Beyrichia Jonesii, Boll, 1856, Zeitach. d. geol. Gesell. viii. p. 322, figs. 1 & 2: 

 Jones, 1870, Pal. Biv. Entom., Proc. Geol. Assoc, pp. 12 & 15, fig. 17. 



