14 CAMBEIAN BRACHIOPODA 



BlGSBY, J. J.: 



■ 1868. Thesaurus Siluricus: The flora and fauna of the Silurian period, with addenda, 1868. 4°. London. 

 Billings, E.: 



1856. The Canadian Naturalist and Geologist, 1st ser., vol. 1, 1856 (Feb.), pp. 32-39: Fossils of the Potsdam 



sandstone. 



1857. Geological Survey of Canada, Eeport of progress for the years 1853-1856, 1857, pp. 247-345: Report of 



paleontologist for 1856. 

 1859. The Canadian Naturalist and Geologist and Proceedings of the Natural History Society of Montreal, 1st 



ser., vol. 4, No. 6, 1859 (Dec), pp. 426-470: Fossils of the Chazy limestone, with descriptions of new 



species. 

 1861a. The Canadian Naturalist and Geologist, 1st ser., vol. 6, No. 4, 1861 (Aug.), pp. 310-328: On some of the 



rocks and fossils occurring near Phillipsburg, Canada East. 

 1861b. Geological Survey of Canada, Paleozoic fossils, vol. 1, 1861 (Nov.), pp. 1-24. 

 1861c. Report on the geology of Vermont, vol. 2, 1861, pp. 942-960, appendix: On some new or little known Lower 



Silurian fossils from the Potsdam group (Primordial zone). 4°. Claremont, New Hampshire. 

 1862a. Geological Survey of Canada: Paleozoic fossils, vol. 1, 1862 (Jan.), pp. 25-56. 

 1862b. The American Journal of Science and Arts, 2d ser., vol. 33, 1862 (May), pp. 100-105: Further observations 



on the age of the Red sand-rock formation (Potsdam group) of Canada and Vermont. 

 1862c. The American Journal of Science and Arts, 2d ser., vol. 33, 1862 (May), pp. 420-421: On the date of the 



recently published report of the superintendent of the Geological Survey of Wisconsin, exhibiting the 



progress of the work, Jan. 1, 1861. 

 1862d. Geological Survey of Canada, Paleozoic fossils, vol. 1, 1862 (June), pp. 57-168. 

 1862e. Report on the economical geology, physical geography, and scenery of Vermont, by A. D. Hager, 1862, 



pp. 214-227, appendix: On some new or little known species of Lower Silurian fossils from the Potsdam 



group (Primordial zone). 4°. Claremont, New Hampshire. 

 1863. Fifteenth report of progress, Geological Survey of Canada, from its commencement to 1863, 1863. 

 1865a. Geological Survey of Canada, Paleozoic fossils, vol. 1, 1865 (Feb.), pp. 169-344. 

 1865b. Geological Survey of Canada, Paleozoic fossils, vol. 1, 1865 (Oct. ?), pp. 345-426. 

 1868. Acadian geology, by J. W. Dawson, 2d ed., 1868, p. 643: Description of Eocystites primxvus. 

 1872a. The Canadian Naturalist and Quarterly Journal of Science, new (2d) ser., vol. 6, No. 2, 1872, pp. 213-222: 



On some new species of Paleozoic fossils. 

 1872b. The Canadian Naturalist and Quarterly Journal of Science, new (2d) ser., vol. 6, No. 4, 1872, pp. 465^80: 



On some fossils from the Primordial rocks of Newfoundland. 

 1872c. The American Journal of Science and Ai-ts, 3d ser., vol. 3, 1872 (May), pp. 352-360: On some new species 



of Paleozoic fossils. 

 1874. Geological Survey of Canada, Paleozoic fossils, vol. 2, pt. 1, 1874 (Aug.). 

 1876. The American Journal of Science, 3d ser., vol. 9, 1876 (Mar.), pp. 176-178: On the structure of Obolella 



chromatica. 

 1882. Geological Survey of Newfoundland, Report of progress for 1881, 1882, appendix. 

 Blackwelder, Eliot (see also Willis and Blackweldbr) : 



1907a. Carnegie Institution of Washington, Research in China, vol. 1, 1907 (Apr.), chap. 2, pp. 19-58: Stratig- 

 raphy of Shan-tung. 

 1907b. Carnegie Institution of Washington, Research in China, vol. 1, 1907 (Apr.), chap. 12, pp. 265-279: Stratig- 

 raphy of the Middle Yang-tz'i Province. 

 Blochmann, Fr.: 



1900. Untersuchungen liber den Ban der Brachiopoden, pt. 2: Die Anatomie von Discinisca lamellosa (Broderip) 



und Lingula anatina Bruguiere, mit einem Atlas, 1900. 4°. Jena. 



BORNEMANN, J. G.: 



1891. Nova Acta Academic Csesarese Leopoldino-Carolinae Germanicae Naturae Curiosorum, Bd. 56, No. 3, 1891: 

 Die Versteinerungen des cambrischen Schichtensystems der Insel Sardinien, Abth. 2. 

 Broggbr, W. C: 



1878. NytMagazin for Naturvidenskaberne, Bd. 24, Hft. 1, 1878, pp. 18-88: On paradoxidesskifrene ved Ivrekling. 

 1882. Die silurischen Etagen 2 und 3 im Kristianiagebiet und auf Eker, etc., 1882. 4°. Christiania. 

 BucH, C. L. von: 



1834. Physikalische Abhandlungen der Koniglichen Akademie der Wissenschaften zu Berlin, 1834. 

 1841. Archiv ftlr Mineralogie, Geognosie, Bergbau, und Hilttenkunde, Bd. 15, Hft. 1, Abh. 1, No. 1, 184], pp. 

 1-128: Beitrage zur Bestimmung der Gebirgsformationen in Russland. 



