BIBLIOGRAPHY. 271 



Grabau, A. W., and Shimer, H. W. 



North American index fossils: invertebrates: New York, A. G. Seiler & 



Company, I, Protozoa, Hydrozoa, Anthozoa, Bryozoa, Brachipoda, 



Pelecypoda, Scaphopoda, and Gastropoda, VIII, 853 pp., 1,210 figs., 



1909. 

 North American index fossils; invertebrates: II, New York, A. G. Seiler 



& Company, XV, 909 pp., 726 figs., 1910. 

 Greger, D. K. 



A new Devonian brachiopod retaining the original color markings: Am. 



Jour. Sci., 4th ser., XXV, pp. 313-314, 7 figs., 1908. 

 The Devonian of central Missouri: Am. Jour. Sci., 4th ser., XXX, pp. 



374-378, 1909. 

 On the retention of the original color ornamentation in fossil brachiopods: 



Nautilus, XXVIII, No. 8, pp. 93-95, 1914. 

 Devonian of central Missouri (abstract): See Branson and Greger, 1915. 

 Devonian of central Missouri: Fauna of the Cooper Limestone. — Bull. 



Geol. Soc. Am., XXVIII, p. 209 (abstract), 1917. 

 The Devonian of Central Missouri, II, Am. Jour. Sci., 4th ser., XLIX, 



1920, pp. 265-266. 

 The Devonian of central Missouri (III): The Cooper Limestone, Am. 



Jour. Sci., 4th ser., L, 1920, pp. 20-24. 

 Hall, James. 



Preliminary notice of Newberria, a new genus of brachiopods: N. Y. 



State Geol., 10th Ann. Rept., pp. 91-98, pi. 5, 1891. 

 Hall, James, and Clark, John M. 



An introduction to the study of the genera of Paleozoic Brachiopoda: 



Nat. Hist, of N. Y., Paleontology, VIII, pt. 2, pp. 1-394, pis. 21-84, 



(pi. 78, figs. 21-23), 1893. 

 Hall, James, and Whitfield, R. P. 



Descriptions of new species of fossils from the Devonian rocks of Iowa. 



New York State Cabinet of Nat. Hist. 23d Ann. Rept. pp. 223-243, 



pis. 9-12, 1873. 

 Hershey, Oscar H. 



The Devonian series in southwestern Missouri: American Geologist, 



XVII, pp. 294-300, 1895. 

 Keyes, C. R. 



Principal Mississippian section: Bull. Geol. Soc. America, III, pp. 



283-300, 1892. 

 Classification of Lower Carboniferous rocks of Mississippi Valley, Pam- 

 phlet, 24 pp., Washington, 1892. 

 Present basal line of delimitation of Carboniferous in northern Missouri: 



Am. Geol., X, pp. 380-384, 1892. 

 Paleontology of Missouri, Part I: Geol. Surv. Mo., IV, 271 pp., pis. 1-32, 



figs. 1-9, with geologic map of state, 1894. 

 Paleontology of Missouri, Part II: Geol. Surv. Mo., V, 266 pp., pis. 33-56, 



figs. 10-11, 1894. 

 Characteristics of Ozark Mountains: Geol. Surv. Mo., VIII (339, 340 and 



348), 1895. 

 Thickness of the Paleozoic rocks of the Mississippi Basin ■ Am. Geologist, 



XVII, pp. 169-173, 1896. 

 Geological occurrence of clays (in Missouri): Geol. Surv. Mo., XI. 



(pp. 41-42, pi. 78, figs. 21-23), 1896. 

 Bibliography of Missouri geology: Geol. Surv. Mo., IX, pp. 221-523, 



1896. 



