26 CAMBRIAN BRACHIOPODA. 



Wallbrius, I. D.: 



1895. Undersokningar ofver Zonen med ^^nosiMS tewjraius i Vestergotland, etc.; 1895. 8°. Lund. 

 Weed, W. H.: 



1900. Twentieth Annual Report United States Geological Survey, 1900, pt. 3, pp. 257-461: Geology of the Little 

 Belt Mountains, Montana. 

 Weller, Stuart: 



1903. Geological Survey of New Jersey, Report on paleontology, vol. 3, 1903: The Paleozoic faunas. 

 WesteegArd, a. H.: 



1909. Meddelande fr^n Lunds Geologiska Faltklubb, Ser. B, No. 4 (Aftryck ur Kongl. Fysiografiska Sallskapets 

 Handlingar, N. F., Bd. 20), 1909, pp. 1-79: Studier ofver Dictyograptusskiffern och dess granslager med 

 Sarskild hansyn till i Sk^ne forekommande bildningar. 

 White, C. A.: 



1874. Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian, Preliminary 



report upon invertebrate fossils, 1874 (Dec), pp. 5-27. 



1877. Report upon United States Geographical Surveys West of the One Hundredth Meridian, vol. 4, pt. 1, 



Paleontology, 1877, pp. 1-219. 

 1880. Proceedings of the United States National Museum, vol. 3, 1880 (May 6), p. 47: Note on Acrothele. 

 Whiteaves, J. F.: 



1878. The American Journal of Science and Arts, 3d ser., vol. 16, 1878 (Sept.), pp. 224-226: On some Primordial 



fossils from southeastern Newfoundland. 

 Whitfield, R. P. (see also Hall and Whitfield): 



1862. The American Journal of Science and Arts, 2d ser., vol. 34, 1862 (July), p. 136: Note on the description of 

 Lingula polita. 



1875. Report of a reconnaissance of the Black Hills of Dakota, made in 1874, by William Ludlow, 1875, pp. 103- 



104: Descriptions of new fossils. 



1877. United States Geographical and Geological Survey of the Rocky Mountain Region: Report on the geology 



of the Black Hills of Dakota, Preliminary Report, 1877. 



1878. Annual Report of the Wisconsin Geological Survey for 1877; 1878, pp. 50-89: Preliminary descriptions of 



new species of fossils from the lower geological formations of Wisconsin, 

 1880. United States Geographical and Geological Survey of the Rocky Mountain Region; Report on the geology 



and resources of the Black Hills of Dakota, by Newton and Jenney, 1880, pp. 329-468: Paleontological 



report. 

 1882. Geology of Wisconsin, vol. 4, 1882, pt. 3, pp. 161-363: Paleontology 

 1884. Bulletin of the American Museum of Natural History, vol. 1, No. 5, 1884 (Feb. 13), pp. 139-154: Notice 



of some new species of Primordial fossils in the collections of the museum, and corrections of previously 



described species. 

 1886. Bulletin of the American Museum of Natural History, vol. 1, No. 8, 1886 (Dec. 28), pp. 293-345: Notice 



of geological investigations along the eastern shore of Lake Champlain, ^vith descriptions of new fossils. 

 Willis, Bailey, and Blackwelder, Eliot:" 



1907. Carnegie Institution of Washington. Research in China, vol. 1, 1907 (Apr.), chap. 6, pp. 99-152: Stratigra- 

 phy of western Chili and central Shansi. 



WiMAN, C: 



1902. Bulletin of the Geological Institution of the University of Upsala, vol. 6, pt. 1, No. 11, 1902, pp. 12-76: 

 Studien uber das nordbaltische Silurgebiet. 



WiNCHELL, A.: 



1864. The American Journal of Science and Arts, 2d ser,, vol. 37, 1864 (Mar.), pp. 226-232: Notice of a small 

 collection of fossils from the Potsdam sandstone of Wisconsin and the Lake Superior sandstone of Michigan. 

 WiNCHELL, N. H.: 



18S6. Fourteenth Annual Report of the Geological and Natural History Survey of Minnesota for 1885; 1886, pp. 

 313-318: New species of fossils, 

 WiNCHELL, N, H., and Schucheet, C: 



1895. The Geological and Natural History Survey of Minnesota, The geology of Minnesota, vol. 3, pt. 1, Paleon- 

 tology, 1895, pp. 333^74: The Lower Silurian Brachiopoda of Minnesota. 

 Wtsogorski, Johann: 



1900. Zeitschrift der deutschen geologischen Gesellschaft, Bd. 52, Hft. 2, 1900, pp. 220-226: Zur Entwicklungs- 

 geschichte der Orthiden im ostbaltischen Silur. 

 Zittel, K. a. von: 



1880. Handbuch der PalKontologie, Bd. 1, Palseozoologie, Abth. 1, 1880. 8°. Miinchen und Leipzig. 



o Since this reference was made and iised in the monograph it has been noticed that the section on the Paleozc'c (pp, 136-152) is credited to 

 Blackwelder. 



