INDEX AND SYNONYMY. 



303 



Obligata (Ijittorina), Say. Journ. Phila. Acad., ii, [). 241. 



:= L. rudis, ISIontg. var. ...... 



Obliquus (^rodulus), Ad. Zool. Proc, p. 204, 1850, 

 Obscura (Planaxis), A. Ad. Zool. Proc, p. 271, 1851. 



? ^= P. sulcatus, Born. ....... 



Obsoletus (Planaxis), IMenke. Zeitsch. fiir INIalak., p. 17(> 



1850. = P. nigritellus, Forbe.s 



Obtusa (Isapi.s), Carp. 2d Report, 142, .... 

 Obtnsata ( Littoriiia), J.iuii. Syst. Nat. Ed., xii, ]>. 1232, 

 Obtusata (Littoriiui teiiebrosa), var.), INIidd. ]Mal. Ros.s., ii 



p. 63, t. 8, f. 1-5. = L. littoralis, Linn. . . . 

 Obtu.-<atu^^ ( Modulus ), Pbil. Conch. Cab., ii, 1846. 



;= M. tectuni, Gni. var. ...... 



Olivacoa (Cithna), Verrill. Conn. Trans., vi, p. 185, t. 29,1 



5, 1884, 



Orbignyi (Fossarus), Fischer. Jour, de Conch., 256, 1864. 



= F. sulcatus. Wood 



Ovoideus (Fossarus), Gould. Zool. Proc, 1856, 



1778, 

 p. 25 



Paoodella, Swainson, 219, 351, 1840. == Tectarius, Val. . 231 

 Pagodula (Alaba), A. Ad. Ann. & Mag., x, p. 297, 1862, . 2S2 

 Pagodus, Gray. Beechey's Voy., 141, 1839. 



= Tectarius, Val. .' 



Pagodus (Turbo), Linn. Syst. Nat. Ed., xii, p. 1234, 

 Pallescens (Littorina), Phil. Zool. Proc, p. 142, 1845. 



= L. tilosa, Sowb. ....... 



Palliata (Littorina), Say. Journ. Phila. Acad., ii, p. 240. 



= L. littoralis, Linn. var. ....... 



Pallidula (Lacuna), DaCosta. Test. Brit., t. 4, f. 4, 5 

 Pallidula (Lacuna), jNIeyer & Mob. Kieler Bucht., p. 



LS72. =- L. puteolus, Turt. ..... 



Pallidus (Turbo), Donov. Brit. Conch., t. 178, f. 4. 



^ Lacuna crassior, INIont. ...... 



Paludinella (Littorina), Reeve. Couch. Icon., f. 84, 1857, 

 Papillosa (Littorina), Lam. Anim. sans Vert., vii, p. 32. 



= L. bullata, Martyn. . . ... 



Parcipictus (Fossarus), Cpr. Ann. & Mag., xiii, p. 476, 1864, 274 

 Parva (Cochlea), DaCosta. Brit. Conch., 1798. 



=^ Lacuna puteola, Turton. ...... 



Parvula (Lacuna), H. JNlartin MSS. Monts. Conch. Medit. 



109. - iMegaloniphalus azonus, Brus. 

 Parvula (Lacuna), Velain. Arcliiv. Zool. Exper., vi, |). 113 



t. 3, f. 11, 12, 1877, 



Parvula (Littorina), Phil. Zeitsch. fur Malak., p. 149, 1848, 

 Parvula (Risella), Dkr. Mai. Blatt., viii, p. 42, 1862. 



--= R. tantilla, GId. var 



Patula (Fossarina), A. Ad. it Angas. Zool. I'roc, p. 425, 



1863, 276 



241 

 262 



276 



278 

 273 

 252 



242 



260 



269 



271 

 97:^ 



231 

 25() 



244 



242 

 265 



2()5 



267 

 255 



257 



265 



26'S 



270 

 255 



2(i3 



