246 INDEX. 



Nodulata (Purpuroidea), Lycett 180 



Nodulifer (Purpura), Menke. Verzeiclm., No. 702, 1828 178 



Nodulifera (Purpura), Menke. Verzeichn., 33, 1832. 



= Ricinula chaidea, Duclos. 

 Noduliferus (Murex), Reeve. Sp. 150 (not of Sowb.) 



= M. euracanthus, A. Ad. 



Noduliferus (Murex ), Sowerby. Zool. Proc., 147, 1840 110, 111 



Nodulosa (Coralliophila),'H. and A. Ad. Zool. Proc., 431, 1863. 



= C. galea, Chemn. 

 Nodulosa (Purpura), 0. B. Adams. Bost. Proc., II, 2, 1845. 



== Ricinula 190 



Nodulosa (Purpura), Gmel. Syst. Nat. = P. deltoidea, Lam. 

 Nodus (Ricinula), Encyc. Meth., t. 395, f. 6, a. b. 



= R. morus, Lam. 

 Norrisii (Murex), Reeve. Conch. Icon., sp. 129. 



= M. endivia, Lam. 

 Novse Zealandica, Gray. Sowb., Conch. 111., f. 34. 



= M. Zelandiae, Quoy. 



Nubilus (Murex), Sowb. Zool. Proc., 428, t. 49, f. 4, 1859 91 



Nuceus (Murex), Morch. Kjerulf. Cat., 81, t. 1, f. 9 122, 123 



Nucleus (Murex), Morch (err. typ.). Zeit. Mai., 127, 1850. 



= M. nuceus, Morch. 

 Nucleus (Murex), Brod. Zool. Proc., 1832. Sowb., Conch. 111., f. 2. 



= Fusus, 

 Nucleus (Purpura), Chemn. Conch., iv, t. 125, f. 1183. = Plauaxis. 



Nucula (Murex), Reeve. Zool. Proc., 1845 122 



Nuttallii (Murex) Conrad. Jour. A. N. S., Philad., vii, 264, t. 20, f. 



22, 1837 115 



Nuttalli (Purpura), Conrad. Jour. Philad. Acad., vii, 265, t. 20, f. 



19, 1837. = P. haemastoma, L. 



Nux (Murex), Reeve. Conch. Icon., sp. 181. = Coralliophila 210 



Nux (Purpura), Reeve. Icon., sp. 73, 1846. 



= Murex Edwardsi, Payr., var. 



Obeliscus (Murex), A. Ad. Zool. Proc., 269, 1851. 



= M. alveatus, Kiener. 

 Oblongus (Concholepas), Reeve. Conch. Icon., sp. 2, 1863. 



= C. Peruvianus, Lam. 

 Oblongus (Leptoconchus), Sowb. H. and A. Adams, Genera, I, 138. 



(Error for L. ellipticus, Sowb. ?) 

 Occa (Murex), Sowb. Zool. Proc., 137, 1840. Conch. 111., f. 45. 



= M. scolopax, Dillw. 

 Ocellata (Purpura), Kiener. Monog., 124, t. 37, f. 86. 



= Monoceros brevidentatum, Gray (Juv. ). 

 Ocellata (Purpura), Kiener. Monog. t. 37, f. 86. 



:= P. hippocastaneum, Lam. var. 

 Ocellata (Ricinula), Reeve. Icon., sp. 34, 1846. 



= R. ochrostoma, Bl. var. heptagonalis. 

 Ochroleuca (Pyrula), Menke. Phil. Abbild., I, Pyrula, t. 1, f. 3-6. 



= Trophon xanthostoma, Brod. 



Ochrostoma (Sistrum), Blainv. Nouv. Ann. du Mus., 205 187, 191 



Ochrostoma (Sistrum), var. rufonotatum, Carp. Ann. Mag. N. Hist. 



3d ser., xiv, 48, 1864. = Engina. 



Ocinebra, Leach. Gray, Ann. Mag., xx, 1847 74, 116 



Octogonus (Murex), Quoy and Gaim. Astrol., 531, t. 36, f. 8, 9 110 



