THIRD REPORT OF THE DIRECTOR I906 I43 



6294 -^^/-^ TYPE: PLASTOTYPE Clarke. Arch, do Mus. Nac. do 



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

 1900. pi. I, fig. 16. 



Siluric Rio Trombetas, Para, Brazil 



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



PHOLIDOPS Hall 



Pholidops trombetana Clarke 



6295 -"V— TYPE Pholidops trombetana Clarke. Arch. 



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

 Author's Eng. ed. 1900. p. 8, pi. i, fig. 11. 



Siluric Rio Trombetas, Para, Brazil 



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



6296 -^-y-^ PLASTOTYPE Clarke. Arch, do Mus. Nac. do Rio de 



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

 pi. I, fig. 7-9. 



■ Siluric Rio Trombetas, Para, Brazil 



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



LAMELLIBRANCHIATA 



ACTINOPTERIA Hall 



Actinopteria eschwegii Clarke 



6297 ^^-^ TYPE Actinopteria eschwegii Clarke. 

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



Author's Eng. ed. 1900. p. 45, pi. 5, fig. i. 

 Devonic (Maecurii group) 



Rio Maecuru, Para, Brazil 

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



6298 ^^^ TYPE Clarke. Arch, do Mus. Nac. do Rio de Janeiro. 



1899. V. 10. Author's Eng. ed. 1900. pi. 5, fig. 2. 

 Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

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



6299 -§-2^ TYPE Clarke. Arch, do Mus. Nac. do Rio de Janeiro. 



1899. V. TO. Author's Eng. ed. 1900. pi. 5, fig. 4. 

 Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

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



