TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 317 



24339. Holopea furmaniana Hartt and Rathbun. Cotypes. 



Middle Devonian. Erere, Para, Brazil. 



Hartt and Rathbun, Ann. Lyceum Nat. Hist. New York, XI, 

 1875, p. 115. 



= Diaphorostoma furmaniana. 



45540. Holopea insignis Ulrich and Scofield. Cotypes. 



45541. Stones River (Ord.). Minneapolis and Cannon Falls, 



Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1065, pi. 79, figs. 1-5. 



45842. Holopea nashvillensis Ulrich. Holotype. 



Trenton (Ord.). Nashville, Tennessee. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 1068. 



45843. Holopea oxfordensis Ulrich. Cotypes. 



45844. Richmond (Ord.). Richmond, Indiana; Oxford, Ohio. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 1068. 



45845. Holopea parvula Ulrich. Holotype. 



Trenton (Ord.). One mile south of Burgin, Kentucky. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1897, p. 1067, pi. 79, fig. 19. 



45846. Holopea pyrene Billings. Plesiotypes. 



Trenton (Ord.). Near Cannon Falls, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1067, pi. 79, figs. 13-18. 



45847. Holopea rotunda Ulrich and Scofield. Cotypes. 



45848. Stones River (Ord.). Dixon, Illinois. 

 Trenton (Ord.). Hartsville, Tennessee. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1066, pi. 79, figs. 20, 21. 



458-19. Holopea supraplana Ulrich and Scofield. Cotypes. 



Trenton (Ord.). Kenyon, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept., Ill, Pt. II, 1897, p. 1068, pi. 79, figs. 27, 28. 



23877. Homalonotus ( Calymene ) acanthurus Clarke. Plastotype. 



Middle Devonian. Rio Maecuru, Brazil. 



Clarke, Archivos do Mus. Rio de Janeiro, IX, 1890, p. n, pi. 1, 

 figs. 9, 10. 



23879. Homalonotus derbyi Clarke. Cotypes and plastot} T pe. 



Middle Devonian. Rio Maecuru, Brazil. 



Clarke, Archivos do Mus. Rio de Janeiro, IX, 1890, p. 7, pi. r, fig. 4. 



23878. Homalonotus oiara Hartt and Rathbun. Plastotype. 



Middle Devonian. Erere, Brazil. 



Clarke, Archivos do Mus. Rio de Janeiro, IX, 1S90, p. 5, pi. 1, fig. 5. 



