368 f'roiCi-diiujs of ihr Ohio Stafr .laidciiiv of Science. 



1873. Ifciiiiproiiifes crassiis. Meek and W'orthen, Geol. Surv. 111., \^ol. 

 V, p. 5711, pi. -jr,, \];j. 12. 

 Upper Coal Measures: Lasalle, Illinois. 



1876. Hemipronifes creiiisfria. White, Powell's Rep. Geol. Unita Mts., 



pp. 90, !U. 

 Lower and Upper Aubrey group: Utah. 



1877. Hemipronitcs crciiistria. White, U. S. Geog. Surv. W. lOn Merid., 



Vol. IV, p. 1-24, pi. 10, fig. 9a. 

 Carboniferous: Utah, Nevada. 



1883. Streptorhyi!clnt.<! Richuiondi. Hall, Rep. N. Y. State Geol. for 



1882, pi. (10) 40, figs. 10, 11. 

 Coal Measures : Iowa. 



1884. Heiiiiproiiites crassiis. White, Ind. Geol. Nat. Hist., 13th Rep. pt. 



II, p. 129, pi. -20, figs. 4-11. 

 Coal Measures : Indiana. 



1887. Hciiiifrcnitcs crassiis. Herrick, Bull. Sci. Lab. Denison Univ., 



Vol. II, p. .50, pi. 2, fig. 10. 

 Coal Measures : Flint Ridge, Ohio. 



1888. Sfrcpforliyiicliiis crciiistria. Keyes, Proc. Acad. Nat. Sci. Phil., p. 



229. 

 Lower Coal Measures : Des Moines, Iowa. 



1891. Streptorhyiichns crassiim. Whitfield, Ann. N. Y. Acad. Sci., Vol. 



V, p. 580, pi. 13, figs. 11, 12. 

 Maxville limestone: Ohio. 



1892. Dcrbya crassa. Hall and Clarke, Int. to Study of Rrach., pt. I. 



pi. 17. figs. 1-4, 9. 

 Upper Coal Measures : Missouri, Iowa. 

 1892. Dcrbya crassa. Hall and Clarke, Pal. N. Y., Vol. VIII, pt. I, pi. 

 10, figs, ill, 11: pi. 11 A, figs. 28-33; pl. IIP,, figs. 23, 24; pi. 2ii, 

 figs. 12, 13. 

 L^pper Coal Measures: Missouri, Iowa. 



1894. Sfrcptorliyiicliiis crciiistria. Keyes, Mo. Geol. Surv., Vol. V, p. 07, 



pl. 38, tigs. 8a-h. 

 Coal Measures : Missouri. 



1895. Strcptorhyiicliiis crassiini. Whitfield, Geol. Surv. Ohio, Vo], VI F, 



p. 408, pl. 9, fi.gs. 11, 12. 

 Maxville Limestone : Ohio. 

 1897. Dcrbya crassa. Smith, Proc. Am. Phil. Soc, Vol. XXXV, p. 28. 



Coal Measures : Indian Territory, Arkansas. 

 1900. Dcrbya crassa. Beede, Univ. Geol. Surv. Kansas, Vol. VI, p. 62, 

 pl. 8, figs. 11, lib. 

 Upper and Lower Coal Measures : Fort Scott, Kansas City, Law- 

 rence, Topeka, Kansas. 



