GRAPTOLITES. 



1858. Carruthers, W., " Dumfriesshire Graptolites, with descriptions of 

 three new species," Proc. Royal Physical Soc. Edin., vol. i., p. 466. 



1859. Carruthers, W., "On the Graptolites from the Silurian Shales of 

 Dumfriesshire, with a description of three new species," Ann. and May. 

 Nat. Hist., 3rd ser., vol. iii., p. 23. 



1866. Nicholson, H. A., "On some Fossils from the Graptolitic Shales of 

 Dumfriesshire," Geol. Mag., dec. 1., vol. iii., p. 488. 



1867. Carmtliers, W., "Graptolites, including Scottish species," Intellectual 

 Observer, May, pp. 283-292, and June, pp. 365-374. 



1867. Nicholson, H. A., "On a new genus of Graptolites, with notes on 

 their Reproductive Bodies," Trans. Oeol. Soc. Edin., vol. i., p. 57. 



1867. Nicholson, H. A., and Carruthers, W., "Graptolites of the Moffat 

 Shales," Geol. Mag., dec. 1, vol. iv., pp. 70, 108, and 135. 



1868. Carruthers, W., "A Revision of the British Graptolites, with descrip- 

 tions of the new species, and notes on their affinities," Geol. Mag., p. 64. 



1869. Dairon, J., "On Graptolites from the Silurian Shales of the Moffat 

 district," Proc. Nat. Hist. Soc. Glasgow:, vol. i., p. 268. 



1869. Nicholson, H. A., " New species of Graptolites," Ann. and Mag. Nat. 

 Hist., 4th ser., vol. iv., p. 231. 



1870. Nicholson, H. A., "On the genus Climacograptus, with notes on the 

 British species of the genus," Ann. and Mag. Nat. Hist., 4th ser., 

 vol. vi., p. 370. 



1870. Hopkinson, J., " On the structure and affinities of Dicranograptus, 

 Geol. Mag., dec. 1, vol. vii., p. 353. 



1871. Hopkinson, J., "On Dicellograptus, a new genus of Graptolites," 

 Geol. Mag., dec. 1, vol. viii., p. 20. 



1872. Lapworth, C., "On the Silurian rocks of the South of Scotland," 

 Trans. Ueol. Soc. Glasgow, vol. iv., p. 164. 



1872. Hopkinson, J., " On some new species of Graptolites from the South 



of Scotland," Geol. Mag., dec. 1, vol. ix., p. 501. 

 1872. Young, J., "On Graptolites from the Silurian strata of Girvan," 



Proc. Nat. Hist. Soc. Glasgow, vol. ii., p. 179. 



1872. Nicholson, H. A., "Monograph of the British Graptolitidae," part 1, 

 Edin. 



1873. Lapworth, C., "An improved classification of the Rhabdophora," 

 Geol. Mag., dec. 1, vol. x., pp. 500 and 555. 



1876. Lapworth, C., "On Scottish Monograptidae," Geol. Mag., dec. ii., 



vol. iii., pp. 308, 350, 499, 544. 

 1876. "Notes on Graptolites from Girvan collected by Mrs. Gray," Proc. Nat. 



Hist. Soc. Glasgow, vol. ii., pt. ii., p. 182. 

 1876. Young, J., "Notes on a series of Fossils from the Silurian rocks of the 



Girvan Valley," Proc. Nat. Hist. Soc. Glasgow, vol. ii., pt. ii., p. 166. 



1876. Armstrong, J., J. Young, D. Robertson, and C. Lapworth. "Cata- 

 logue of the Western Scottish Fossils." 



1877. Lapworth, C., "On the Graptolites of County Down," Proc. Belfast 

 Nat. Field Club, 1876-1877, Appendix, pp. 125-144, plates v., vi., vii. 



1878. Lapworth, C., "The Moffat Series," Q. J. G. S., vol. xxxiv., pp. 

 240-346. 



1878. Etheridge, R., and Newton, E. T., "A Catalogue of the Cambrian 

 and Silurian Fossils in the Museum of Practical Geology." 



1879. Lapworth, C., "On the Geological Distribution of the Rhabdophora," 

 Ann. and Mag. Nat. Hist., 5 ser., vol. iii., pp. 245 and 449 ; vol iv., 

 pp. 333 and 423. 



1879. Dairon, J., "On the Rocks and Graptolitic Shales of the Moffat 

 district," Trans. Geol. Soc. Glasgow, vol. vi., p. 178. 



1879. Dairon, J., "Note on the Reproduction and Development of Grap- 

 tolites," Trans. Geol. Soc. Glasgow, vol. vi., p. 206. 



