178 POLYTROPA. 



P. MAGELLAN:, Velain. PL 54, figs. 169, 173. 



Grayish purple, flecked with brown. Length 1-4 inches. 



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



M. Velam 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, Hutton. 



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

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

 tions ; outer lip crenulated and striated within ; colnmella 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 Ptrr/ntrH . 

 P. LiTTORiNOiDES, Tenisoii-Woods. 

 P. PROPINQUA, Tenison-Woods. 



The above being possibly synonymous with Purpura Flinders. 

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

 under that genus. 



P. CALVITOMA, Nuttall. 



P. ARGUS. Uliclos ; P. TURBO, Duclos. 



MSS. names appearing in Jay's Catalogue. 



P. AVENACEA., P. ATERRIMA. P. BICOLOR, Lesson. 



These are all very shortly and indefinitely characterized, and 

 have not been recognized by subsequent authors. They may IK- 

 young shells. 



P. NODULIFER, Menke. 



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

 once appertained. Xot identified. 



P. NUX, Reeve = MUREX EDWARD si, PMVI. 



P. QUADR1DENTATA, Dllfo. Mlii\ S<>y,-/n-lle hit*. 



P. DENT ATA, Menke. .S7. Vincent, (Jape Ye, -ill- Inlet. 



P. MINUTA, Anton. 

 P. 1NCISA, Phil. 



