DITHYROCARIS. 129 



Genus Dithyrocaris, Scolder, 1843. 



Argas, Scouler, 1835. 'Records of General Science' (Thomson's), vol. i, 



p. 136. 

 Dithyrocaris, R. Griffith, 1842. ' Notice of Mountain-Limestone Fossils, 



Ireland,' p. 22 (table). 



— Scouler, MS., 1843. In ' Portlock's Report Geology London- 



derry,' p. 313. 



— Morris, 1843. « Catal. Brit. Foss.,' p. 173. 



— M'Coy, 1844. ' Synops. Car. Carbonif. Foss. Ireland,' p. 163 ; 



and 1862, 2nd edit., p. 224. 



— Bronn, 1848. 'Index Palseont.,' vol. i, p. 135. 



— M'Coy, 1849. ' Ann. Mag. Nat. Hist.,' ser. 2, vol. iv, p. 395. 

 Morris, 1854. ' Catal. Brit. Foss.,' 2nd edit., p. 107. 



— F. A. Romer, 1855. ' Beitrag III, Harzgeb.,' p. 120. 



— R. Griffith, 1862. ' Journ. Geol. Soc. Dublin,' vol. ix, pp. 48, 



68, 100. 



— et Argas, J. W. Salter, 1863. ' Quart. Journ. Geol. Soc.,' 



vol. xix, pp. 90, 91. 



— Ludwig, 1864. ' Palgeontographica,' vol. xi, Lief. 6, pp. 309, 310. 



— J. W.Salter and H.Woodward, 1865. 'Chart Foss. Crust,,' p. 17. 



— Jones and Kirkby, 1866. 'Ann. Mag. Nat. Hist.,' ser. 3, vol. 



xvii, p. 40. 



— J. Young, 1868. ' Trans. Geol. Soc. Glasgow,' vol. i, p. 58. 

 Meek and Worthen, 1870. 'Proceed. Acad. Nat. Sci. Phila- 

 delphia,' vol. xxii, p. 55. 



— J. Armstrong, 1871. 'Trans. Geol. Soc. Glasgow,' vol. hi, 



Appendix, p. 29. 



— H. AVoodward, 1871. 'Geol. Magazine,' vol. viii, p. 106. 



— — 1872. ' Report Brit. Assoc' for 1871, p. 53. 



— Meek and Worthen, 1873. ' Geol Survey Illinois,' vol. v 



(Geol. and Palasont.), p. 618. 



— H. Woodward and R, Etheridge, jun., 1873. ' Mem. Geol. Survey 



Scotland,' Explan. Sheet 23, Appendix, p. 98. 



— — 1873. ' Geol. Mag ,' vol. x, p. 482. 

 _ _ 1874. Ibid., dec. 2, vol. i, p. 107. 



— J. R, S. Hunter, 1875. ' Palseont. Carbonif. Strat, West Scot- 



land,' part 1, p. 89. 



— Armstrong and Young, 1876. ' Catal. Foss. W. Scotland,' p. 45. 



— S. A. Miller, 1877. ' Americ. Pakeoz. Foss.,' p. 237. 



