] T8 POLYTROPA. 



P. MAGELLAN!, Velain. PI. 54, figs. 169, 113. 



Grayish purple, flecked with brown. Length T4 inches. 



Isles of St. Paul and Amsterdam, Ind. 0. 



M. Velain recognizes the close relationship of this species with 

 those of the genera Pisania and Euthria, but states that both the 

 operculum and lingual dentition are those of Purpura. 



P. SQUAMATA, Button. 



Shell sharply oval ; spire long ; whorls narrow, spirally striate 

 and noduled, with numerous fine, foliaceous, transverse imbrica- 

 tions ; outer lip crenulated and striated within ; columella with a 

 plication. Color brownish white ; purplish within, with columella 

 and border of lip white or yellowish. Length '75, diam. '45 inch. 



Not figured. New Zealand. 



Doubtful Purpurof. 

 P. LITTORINOIDES, Tenison-Woods. 

 P. PROPINQUA, Tenison-Woods. 



The above being possibly synonymous with Purpura Flindersi. 

 Ad. and Aug., which appears^ to be a Trophon, are described 

 under that genus. 



P. CALVITOMA, Nllttall. 



P. ARGUS. DlldoS ; P. TURBO, Dliclos. 



MSS. names appearing in Jay's Catalogue. 



P. AVENACEA, P. ATERRIMA. P. BICOLOR. LCSSOII. 



These are all very shortly and indefinitely characterized, and 

 have not been recognized by subsequent authors. They may bo 

 young shells. 



P. NODULIFER, Meuke. 



Morch does not find this in the Menke collection, to which it 

 once appertained. Not identified. 



P. Nux f Reeve = MUREX EDWARDSI, Payr. 



P. QUADRIDENTATA, Dilfo. M<ihi, Seychdlea Mets. 



P. DENTATA, Menke., Sf. Vim-rut, Cd-fia Verde Isles. 



P. MINUTA, Anton. 



P. INCISA, Phil. 



