210 Palaeozoic Fossils of the Northwest — Bierhauer 



*Syn, for F. spinigerus Hall, 28th N. Y. Report. 

 fSee Zaphrentis calceola White & Whitfield. 

 JSee Strombodes mammillaris Owen. 

 gNot an American Palaeozoic genus.— Afi77er. 



