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Gurley (F. E.). See (145 and 146). 



t72 Hall (James). Palaeontology. 



Geol. Surv. Iowa, vol. 1, pt. 2, 1858. 



t73 . Description of new species of Crinoidea from in- 

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 Preliminary notice 1861. 



t74 . Note on the Genus Palaeaster and other fossil 



Starfishes. 

 20th Ann, Rep. N. Y. State Cab. Nat Hist., 1868. 



t75 . Note on the Genus Palaeaster and other fossil 



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20th Ann. Rep. N. Y. State Cab. Nat. Hist., revised ed., 

 1870. 



t76 Hambach (G.). Description of new species of Palaeozoic 

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 Trans. St. Louis Acad. Sci., vol. 4, no. 3, 1884. 



t77 . A Preliminary Catalogue of the Fossils Occurring 



in Missouri. 



Bull. Geol. Surv. Mo., No. 1, 1890. 



t78 Harte (Wm.). On a New Echinoderm from the Yellow 

 Sandstone of Donegal. 

 Journ. Roy. Geol. Soc. Ireland, ser. 2, vol. 1, pt. 1, 1864-65. 



79 . On a New Echinoderm from the Yellow Sandstone 



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Hawn (F.). See (196). 

 Hayden (F. V.). See (129). 



80 Hesse (Erich). Die Mikrostructur der fossilen Echinoi-- 



den-stacheln und deren systematiche Bedeutuncy..- 



Leipzig, 1900. 



81 Hind (W.). On the characters of the Carboniferous 



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 Proc. Yorks. Geol. Soc, vol. 14, 1902. 



