CUSHMAN: PALEONTOLOGICAL TYPES. 
269 
11185 
11186 
11182 
11168 
to 
11172 
11162 
to 
11165 
11166 
11167 
11149 
to 
T 
11156 
11160 
11159 
11157 
11158 
11187 
Hexameroceras cacabiformis Newell. Paratypes. 
Niagara (Silurian). Wabash, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, 1888, p. 481. 
Hexameroceras delphicolum Newell. Holotype. 
Niagara (Silurian). Delphi, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, 1888, p. 479, 
4 figs, in text. 
Kionoceras angulatum Wahl. Plesiotypes. 
Niagara (Silurian). Wabash, Decatur, Huntingdon, and 
Delphi, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, 1888, p. 470. 
Kionoceras columnare Hall. Plesiotypes. 
Niagara (Silurian). Wabash and Huntingdon, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, p. 469. 
Kionoceras strix Hall & Whitfield. Plesiotypes. 
Niagara (Silurian). Wabash, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, p. 469. 
Orthoceras crebescens Hall. Plesiotypes. 
Niagara (Silurian). Wabash, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, p. 466. 
Orthoceras obstructum Newell. Holotype. 
Niagara (Silurian). Wabash, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, p. 467, 2 
figs, in text. 
Orthoceras rigidum Hall. Plesiotype. 
Niagara (Silurian). Peru, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, 1888, p. 467. 
Orthoceras unionensis Worthen. 
Niagara (Silurian). Wabash, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, 
Plesiotypes. 
1888, p. 467. 
Pentameroceras mirum Barrande. 
Niagara-(Silurian). Delphi, Indiana. 
Newell, Proc. Boston soc. nat. hist., vol. 23, 
Plesiotype. 
1888, p. 483. 
