67 Moll. 
S YSTEMATIO. — PrOSOBRANCHIATA. 
2231 
Neivtoniclla stiria sp. n. New Zealand, 
Webster, Wellington, Trans. N. Zeal. 
Inst. 38 (307). 
Nisilurris subgen. n. of Turbonilla 
( q.v .), Dall & Bartsch, Washington, 
D.C., Smithsonian Inst., U.S. Nation. 
Mus. Proc. 30. 
f Niso ldmberi sp. n. Eocene, S. 
Australia, Pritchard, Viet. Nat., Mel- 
bourne 23 (119). 
Obeliscus v. Pyramidella. — 0. agassizi, 
pattalus , clavus, liendersoni, simpsoni 
spp. n., homalogyra var. n. zaza, sal- 
leanus var. n. disparilis, Pilsbry, 
Man. Conch. 18. 
Ocinebra erronea Monterosato varr. n. 
major , minor , Pallary, J. Conchyliol. 
54 (92). 
Ocinebrina liybrida Ararlas & Schoil 
var. n. scalata, Pallary, J. Conchyliol. 
54 (93). 
Odetta v. Odostomia. 
Odostomia subgen. n. Egilina ; 0. 
desemana (0. laetea Dunker), ( Menestlio ) 
exaratissima ( Menestlio exarata A. 
Adams), (Amaura) martensi (0. curta 
Clessin), ( Parthenina .) meta, ( Chrysnl - 
lida) dux , ( Pyrgidina ) Iccta , (Odetta) 
lectissima , , felix , (Evalea) culta, mauri- 
tiana, limpida spp. n., ( Pyrgulina ) 
dcnsecostata subsp. n. upoluensis , Dall 
& Bartsgii, Washington, D.O., Smith- 
sonian Inst., U.S. Nation. Mus. Proc. 
30. — 0. lutea Garrett, and synonyms, 
Melvill & Stanpen, Leeds, J. Conch. 11 
(362). — 0. marginata sp. n., New Zealand, 
Murdoch & Suter, Wellington, Trans. 
N. Zeal. Inst. 38 (296). — 0. opaca sp. n. 
Sydney, IIedley, Sydney N.S.W. Proc. 
Linn. Soc. 30 (524).— 0. (Pyrgidina) 
hervierioides, tenerrima (74), thclxinoa , 
(Miralda) una (75) spp. n. Gulf of 
Oman, Melvill, London, Proc. Malac. 
Soc. 7. 
f Odostomia takinogauensis Post 
Tertiary, Japan, Tokunaga, Tokyo, J. 
Coll. Sci. 26 (23). 
Oliva smithi (17) sp. n. locality un- 
known ; 0 . ispidula var. n. longispira , 
Bridgman, London, Proc. Malac. Soc. 7 
(195). 
■ \0liva ickei (296-7), (Olivancillaria) 
pamotanensis (297), rembangensis (297-8) 
spp. n. Java, Martin, Leiden, Samnil. 
Geol. Reichsmus. (2) 1. — 0. subplicata 
(n-9720 r) 
sp. n. Tertiary, Mexico, B5se, Mexico, 
Bob Inst. Geol. 22 (59). — 0. (Lampro- 
doma) aegyptiaca'&p. n. Lutetian, Egypt, 
Oppeniieim, Palaeontographica 30 (330). 
— O. jlammxdata Link., Miocan, Ungarn, 
Boettger, Verh. siebenb. Ver. Naturw. 
54 (3). 
f Olivancillaria v. Oliva. 
Omalaxis amoena sp. n. New Zealand, 
Murdoch & Suter, Wellington, Trans. 
N. Zeal. Inst. 38 (293). 
Omphalotropis v. Realia. — 0. anna- 
tonensis Pfeilfer var. n. santoensis New 
Hebrides, Ancey, J. Conchyliol. 53 (300). 
— 0. elongata, quadrasi synonymy, 
Bavay, J. Conchyliol. 54 (10). 
~\0mospira orientalis sp. n. Palaeozoic, 
British Isles, Donald, Quart. J. Geol. 
Soc. London 62 (553). 
f Oncochilus v. Neritoma. 
Oocorys var. n. sulcata Bay of Bengal, 
Smith, Ann. Mag. Nat. Hist. 18 (170). 
f Oonia v. Pseudomelania. 
Opisthostoma tonkimandus sp. n. Indo 
China, Dautzenberg & Fischer, J. Con- 
chyliol. 53 (444). 
t Orthonychia jeffersonensis , ungula 
spp. n. Glen Park Limestone, Weller, 
St. Louis, Mo., Trans. Acad. Sci. 16 
(435-71). — 0. obtusa sp. n. Silurian, 
N. Canada, Wiiiteaves, Rep. Geol. Surv. 
Com. 14 (51 F). 
f Otostoma v. Nerita. 
Ovula hautkeni Heb. & Mun.-Ch., the 
type of Vicetia (q.v.) gen. n. 
■\Pachychilus v. Melania. 
Palaina v. Diplommatina. — P. form - 
osana sp. n. Formosa, Pilsbry, Phila- 
delphia, Pa., Proc. Acad. Sci. 57 (728). 
Paludestrina diaboli sp. n. S.W. 
United States, Pilsbry & Ferriss, Phila- 
delphia, Pa., Proc. Acad. Nat. Sci. 58. 
• 
Paludina v. Vivipara . — Fauna of W. 
Europe, Kobelt, Wochenschr. Aquarien- 
kunde, Braunschweig, 3, (428-31,551-3); 
Roth, Bl. Aquarienkunde 17 (431-2, 
438-40). — Of Lake Zurich, Roth, Bl. 
Aquarienk. 17 (180-2). — P. sp., Ziegeler, 
Wochenschr. Aquarienkunde 3 (95-7). — 
P. fasciata var. n. diluvianiformis, 
Hilbert, IConigsberg, Schr. physik. Ges. 
46 (44-9). — P. lecytho'ides Benson var. n. 
latiasima, zattei Crosse & Fischer var. n. 
b 20 — 2 
