THIRD REPORT OF THE DIRECTOR 1906 1 55 



O. A. Derby & J. M. Clarke, donors 

 Bucania trilobita see Bucaniella trilo- 

 bita var. vira-mundo 



BUCANIELLA Meek 

 Bucaniella reissi Clarke 

 6363-1-^-^-2^'^ TYPE Bucaniella reissi Clarke. Arch. 

 do Mus. Nac. do Rio de Janeiro. 1899. v. 10. 

 Author's Eng. ed. 1900. p. 37, pi. 3, fig. 7-9. 

 Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

 O. A. Derby & J. M. Clarke, donors 



Bucaniella trilobita Conrad var, vira-mundo Clarke 



6364 i^-"i^^-^- TYPE Bucania trilobita Derby. Arch. 



do Mus. Nac. do Rio de Janeiro. 1879. 2: 92. 



Bucania trilobita Derby. Proc. 

 Amer. Phil. Soc. 1879. 28: 168. 



Bucaniella trilobita var. vira- 

 mundo. Clarke. Arch, do Mus. Nac. do Rio 

 de Janeiro. 1899. v. 10. Author's Eng. ed. 

 1900. p. 18, pi. 2, fig. 20—22. 



Siluric Rio Trombetas, Para, Brazil 



O. A. Derby & J. M. Clarke, donors 



DIAPHOROSTOMA FiscllCr 



Diaphorostoma ? agassizi Clarke 



6365 -^H-- TYPE: PLASTOTYPE Diaphorostoma ? agas- 



sizi Clarke. Arch, do Mus. Nac. do Rio de 

 Janeiro. 1899. v. 10. Author's Eng. ed. 1900. 

 p. 32, pi. 4, fig. 20, 21. 

 Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

 O. A. Derby & J. M. Clarke, donors 



Diaphorostoma darwini Clarke 



6366 i-^iJ-8- TYPE Diaphorostoma darwini Clarke. 



Arch, do Mus. Nac. do Rio de Janeiro. 1899. v. 10. 

 Author's Eng. ed. 1900. p. 32, pi. 4, fig. 18. 



Devonic (Maecuru group) Rio Curua, Para, Brazil 

 O. A. Derby & J. M. Clarke, donors 



