TYPE SPECIMEN'S OF INVERTEBRATE FOSSILS. 29 



38147. Aethophlebia singularis Scudder. Holotype. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder Mem. Boston Soc. Nat. Hist. Ill, 1885, p. 338, pi. 31, 

 fig. 9; Foss. Insects N. America, I, 1890, p. 302, pi. 17, fig. 9. 



39889. Agaricocrinites tuberosus Troost. Chirotypes. 



Mississippian. White Creek Spring, Davidson County, 

 Tennessee. 

 Troost, Proc. Amer. Assoc. Adv. Sci., II, 1S50, p. 60. 



1 15407. Agassizia clevei Cotteau. Cotypes. 



Eocene. St. Bartholomew, West Indies. 



Cotteau, Kongl. Svenska Vet-Akad. Hand., XIII, 6, 1874, p. 33, 

 pi. 6, figs. 2-10. 



Agassizocrinites. See Agassizocrinus. 



17937. Agassizocrinus conicus Owen and Shumard. Plesiotype. 



Kaskaskia (Miss.). Chester, Illinois. 



Owen, Rept. Geol. Surv., Wis., Iowa, and Minn., 1852, p. 597, 

 tab. v B, fig. 6. 



39918. Agassizocrinus dactyliformis Troost. Chirotypes. 



Mississippian. Near Huntsville, Alabama. 



Troost., Proc. Amer. Assoc. Adv. Sci., II, 1S50, p. 62. 



39917. Agassizocrinus gracilis Troost. Chirotype. 



Mississippian. Near Huntsville, Alabama. 



Troost., Proc. Amer. Assoc. Adv. Sci., II, 1850, p. 62. 



27199. Agathiceras ciscoense Smith. Holotype. 



Upper Coal Measures. Graham, Young County, Texas. 



Smith, Mon. XLII, U. S. Geol. Surv., 1903, p. 131, pi. 21, figs. 

 17-19. 



33064. Agelacrinites hamiltonensis Vanuxem. Plastotype. 



Hamilton (Dev. ) . Hamilton, Madison County, New York. 



Vanuxem, Geol. N. Y.; Rept. Third Dist., 1842, p. 158.— Hall, 

 Twenty-fourth Rept. N. Y. State Mus. Nat. Hist., pi. 6, figs. 

 14, 15- 



40744. Agelacrinites holbrooki James. Plesiotype. 



Lorraine (Ord.). Morrow, Ohio. 



Clarke, Bull. No. 49, N. Y. State Museum, 1901 (1902), p. 189, 

 fig. 2. 



=I Y epidodiscus holbrooki. 



7860. Agnostus bidens Meek. Cotypes. 



Middle Cambrian. Above Gallatin City, east side of Gal- 

 latin River, Montana. 



Meek, Sixth Ann. Rept. U. S. Geol. Surv. Terr., 1872 (1S73), p. 

 463, and footnote. 



