Palaeozoic Fossils of the Northwest — Bierhauer. 



231 



♦Synonym for R. mormoni Marcou. 



tAs Identified by Geinitz is Syntrlelasma hemiplicata Hall. 



tSee S. A. Miller, N. A. Pal., under R. cuneata, p. 368; Ed. 



gSyn. for R. uta Marcou. 



fProposed instead of S. pennata Owen, preoccupied. 



^iSpecies not likely found in America.— t//ricZi. 



UMcb. 



