•250 



M. Philippinarum, Redf., Ann. N. Y. Lye. Nat. Hist. iv. 

 492, p]. 17, f. 3, 1848. Reeve, Conch. Icon. Marginella, 

 pi. 17, f. 84, 1865. Philippine Islands. 



146. M. phrygia, Sowb. 



M. guttata, tSwains. (not Dillw. or Sowb.), Zool. Illust. 2d ser. 



' i, pi. 44, f. 2, 1820. 

 M.plirvgia, 8owb., Thes. Conch, i, 394, pi. 78, f. 218, 219, 



184G. 

 M. ^^oainsoniana, Petit, Cat. in Jour, de Conch, ii, 55, 1851. 

 M. phrygia, Reeve, Conch. Icon. Marginella, pi. 15, f. 67, 

 1865. Acapulco and Gulf of California. 



M. PICTA, Dilhv., is 31. ^.y^um (Gron.) 



147. M. piperata, Hinds, Proc. Lond. Zool. Soc. 1844, p. 72, 



1844. 

 M. piperita, Sowb., Thes. Conch, i, 381, pi. 75, f. 40, 44, 



1846. 

 M. piperata. Reeve, Conch. Icon. Marginella, pi. 4, f. 11, a, 



b, 1864. JVatal, and East Africa. 



148. M. pisum, Reeve, Conch. Icon. Marginella, pi. 27, f. 156, 



1865. Australia. 



M. PLUMBEA (Sol.), MSS., is M. prunum (Gmel.) 



149. M. polita, Carpenter, Cat. of Mazatlan Shells, p. 462, 



1!S57. Mazatlati. 



M. POLITA, Pease, is 31. Peasii, Reeve. 



150. M. porcellana (Gmel.) 



Valuta porcellana, Gmel. ed. Svst. Nat. p. 3449, 1788. 



Chemn., Conch, x, 164, pi. "150, f. 1419, 1420 (good), 



1788. Schreibers, Conch, i, 99, 1793. Encyc. Meth. 



Vers. pi. 377, f. 5, 1798. Dillw., Desc. Catal. p. 526, 



1817. 

 3Iarginella tessellata, Lam., Anim. sans Vert. 1st ed. vii, 361, 



1822. Defrance, Diet, des Sei. Nat. xxix, 144, 1823. 

 Valuta tesfiellata, Wood, Index Testae, Suppl. pi. 3, f. 31, 



1828. 

 3Iar(/inella tessellata, Desh., Encycl. Meth. Vers, ii, 413, 1830. 



Kiener, Coq. Viv. p. 24, pf. 5, f. 20, 1834. Desh., ed. 



Lam. Anim. sans Vert, x, 446, 1844. Sowb., Thes. 



Conch, i, 395, pi. 78, f. 194—197, 1846. Chenu, Manuel 



de Conch, i, 199, f. 1064, 1859. 

 3'Iarginella porcellana. Reeve, Conch. Icon. Marginella, pi. 13, 



f. 53, a, b, 1864. Venezuela^" (Sowb.) 



* Earlier writers refer this species to the Indian Ocean, but the type is 

 an Atlantic one. and 1 believe Sowerby to be correct. 



