INDKX AND SYNONYMY. 42"^ 



1'A(;k. 

 Obscura (Kissoa), Phil. Eiuiin. MoW. Sic. ii, p. 127. t. 'i:], f. 



10, 1844. - R. pnrva, DaC'osta IV-VI 



Ohtusa (Kissoa abvssicola, var. ), JefiVevs. Ann. t^' ^fati'., p. 



18,1870. --= K.%ul)soliita, Aradas. ". . . ." .808 

 Obtusa (Rissoa), Cantraiiie. Bull. Anul. Jiruxclics, l^VI, pt. 



ii, p. 848. = R. soluta, Phil 85() 



Obtusispira ( Rissoa), 8eg. Mss. := R. turgida, ,Iertr. . . 858 



Oceani (Rissoa), Aradas & Benoit. Conch. Viv. Sicil., p. 1!>7. 



^= R. subcrenulata, Schwartz. ...... 808 



Ocliroleuca (Setia), Brusina. J. C, 1869, p. 247, . . .855 

 Octoua ( Rissoa ), Linn. Nilsson, Moll. Sued., p. 92. 



= R. membranacea, Adams. Var. ..... •■>29 



Oenonensis (Rissoa), Brusina. jNIoII. Dalin., p. 20, pi. 8, tig. (i. 



r=: R. albella, Loveu . . ' . 884 



Olivacea ( Alvania ), Frauenfeld. Yov. " Novara," [>!. ii, tiu'. 



14, . . . . . . ■ . . . . ' . 889 



Olivacea (Dardania), Hutton. Trans. X. Zealand Inst., 18^1, 



xiv, p. 147, .......... 897 



Omalogyra, JetlVeys. Jour, de Conch., 18G0. 



^- Honialogvra, Jeftr. ........ 824 



()mphalotropis"( Rissoella), A. Ad. Ann. & Mag., p. 382, 1860, 397 

 Onoba, H. & A. Adams. Gen. Rec. Moll., 1, 331, 1854, . 318, 346 

 Opalina (Jel{Ve3'sia), Jeffreys. Ann. j\Iag. N. Hist., 3d Ser., 



ii, 35i;. .' . . " 896 



Orientalis (Rissoa), Nevill. Journ. Asiat. Soc. Beng., j). 161 , 



1881. = R. triticea, Pse " . .880 



Ornata (Iravadia), Blanford. Journ. Asiat. Soc. Beng., p. 6, 



t. 13, f. 13, 14, 1867, . 393 



Ornata (Rissoa), Phil. Zeitsch. fur Malak., p. 97, 184(). 



= R. splendida, Eichw. ....... 825 



Orvza (Rissoina), (Jarrett. Proc. Phila. Acad., p. 210, pi. 2, 



fig. 4, 1873, 890 



Ovatella (Rissoa), Forbes. Rep. Brit. As.soc. xiii, p. 189, 



1843. = R. similis, Scacc. . 327 



Pachia ( Rissoa), Watson. Challenger Rept. xv, }). 602, pi. 



45, fig. 7, 348 



Pachylabris (Rissoina d'Orbignyi, var. ), Nevill. Hand List, 



p. 92, 1885. =-- R. spirata, Sowb. 888 



Pagodula (Rissoa), Buquoy, D. D. .AIoU. Rou.ss., p. 296, t. 56, 



f. 23-26, 866 



Pallida ( Barleeia rubra, var.), Jeffreys. Brit. Conch, iii. . 892 



Pallida ( Homalogvra atomus, Ph. var.), Brus. JNIed. & Adr. . 899 

 Pallida (Microsetia fulgida. Ad. var.), Jeffreys. Monts. Nat. 



Sicil. iii, 280, . . . . . ". . . . 854 

 Paludinoides (Rissoa), Calc. Monog. Spirorbis & Succinia Pal., 



1841, p. 10. = Setia fusca, Philip 354 



Papuana (Rissoa), C'anefri. Ann. ]\Ius. Civico, Genoa, ix, 288, 368 



