156 NEW YORK STATE MUSEUM 



Diaphorostoma furmanianum Hartt & Rathbun (sp.) 

 6367 i-OiJ^-^ HYPOPLASTOTYPE Holopea furmanianum 

 Hartt & Rathbun. Annals of the New York 

 lyceum of natural history. 1875. 11:115. 



Diaphorostoma furmanianum 



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

 1899. V. 10. Author's Eng. ed. 1900. p. 32, 

 pi. 4, fig. 10. 



Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

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

 Holopea furmanianum see Diaphor- 

 ostoma furmanianum 



PLATYCERAS Conrad 

 Platyceras hartti Clarke 

 63681-^1^-^ TYPE Platyceras hartti Clarke. Arch, 

 do Mus. Nac. do Rio de Janeiro. 1899. ^'- ^o- 

 Author's Eng. ed. 1900. p. 30, pi. 4, fig. 22, 23. 

 Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

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



Platyceras hussaki Clarke 



6369 i-^l-^-2- TYPE Platyceras hussaki Clarke. Arch. 



do Mus. Nac. do Rio de Janeiro. 1899. ^'- lo- 

 Author's Eng. ed. 1900. p. 29, pi. 4, fig. 6. 

 Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

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



6370 i-^l^-^ HYPOTYPE Clarke. Arch, do Mus. Nac. do Rio de 



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



pi. 4, fig. 7- 



Devonic (Maecuru group) 



Rio Maecuru, Para, Brazil 

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



