258 AMERICAN JOURNAL 



13. P. pseudolima, Souverbie, Jour. Conch, x, 231, t. 9, f. 1, 

 1862. 



New Caledonia. 

 P. rariflama, Deshayes. 



P. rocellaria, Lamarck = P. lithophaga. 



P.robusta, Philippi, Zeit. Mai. 163, 1843. 



P.robusta, Sowerby = P. lithophaga. 



P. ruperella, Lamarck = P. lithophaga, Retz. 



P. rugosa, Sowerby = P. nivea, Chemnitz. 



P. semilamellata, Lamarck = P. lithophaga. 



P. serrata, Deshayes = P. pholadiformis. 



P. sinuosa, Conrad = P. lithophaga. 



P. solida, Sowerby == P. elliptica. 



P. tenuis, Sowerby = P. nivea. 



P. typica, Jonas = P. lithophaga. 



P. venusta, Folin, Meleagrinicoles, 18, 1868. 



P. ventrieosa, Deshayes = P. denticulata. 



Genus NARANIO, Gray. 

 Annals and Mag. Nat. Hist, xi, 38, 1853. 

 Choristodon, H. and A. Adams (not Jonas), Genera ii, 441, 1857. 

 N. costata t Gray = N. lapicida. 

 N. divaricata, Chemn. = N. lapicida. 



l.N. lapicida, Chemnitz, Conch. Cab. x 1. 172, f. 1664—1665, 



1788. 

 Sowerby, Thes. Conch, ii, 776, t. 166, f. 26, 1855. 

 N. divaricata, Chemn. Conch. Cab. x, 1. 172, f. 1666—1667, 

 1788. Sowerby, Thes. Conch, ii, 776, t. 166, f. 24, 25, 

 1855. 

 N. eostata, Gray. 

 N. radiata, Gray, Ann. and Mag. xi, 38, 1853. 



Red Sea, Indian Ocean, Japan, Australia. 



2. N. rubiginosa, Adams and Angas, Zool. Proc. 425, t. 37, f. 



17, 1863. Port Jackson, Australia. 



3. N. SCObina, Carpenter, Mazat. Cat. 529, 1857. 



Mazatlan. 



