GASTROPODA (SCUTIBRANCHIA). Moll. 51 
polydelta, diremta, frondicincta, nigro-hifasciata, and parce-picta, p. 193, 
pi. XX. figs. 1-24, Malayan Archipelago and Fiji Islands, marine ; N. 
danuhialis (Miihlfield), Lower Danube, with var. stragulata (Miihlf.), 
and carinata (Kokeil), Carniola, serratilinea (Ziegl.), Upper Italy, and 
chrysostoma (Kutschig), Dalmatia, pp. 200-204. 
Neritina incerta, flexuosa, lifouana, and savesi, spp. nn., Gassies, J. de 
Conch, xxvi. pp. 341-346, New Caledonia. N. subauriculata (Reel.), 
found also in New Caledonia; id. 1. c. p. 346. 
[^Smaragdia'] Neritina semen^ sp. n., Tapparone-Canefri, Ann. Mus. 
Genov, vii. [1875], p. 1031, Sorong, N.W. New Guinea. 
Trochidjb. 
Phasianella : radula of hulimoides (Lam.), pullue (L.), kocJii (Phil.), 
capensis (Dkr.), speciosa (Muhlf.), flammulata (Phil.), lineolata (Wood), 
and variegata (Lam.), distinct from other Trochidee by the very thin and 
tender median plate, which is wanting in some species. Troschel, Gebiss 
d. Schnecken, ii. pp. 200-203, pi. xviii. figs. 9-16. 
Turbo smaragdus (Martyn), radula ; id. 1. c. p. 204, pi. xix. fig. 1. 
Senectus distinguished from Turbo by the rounded and not flattened 
columella, and by a peculiar thickened appendage at the median plate of 
the radula. S. cornutus (Gmel.), petholatus (L.), argyrostomus (L.), 
margaritaceus (L.), chrysostomus (L.), nivosus (Reeve), cjiemnitzianus 
(Reeve), concinnus (Phil.), sparverius (Gmel.), and ticaonicus (Reeve), 
radula described ; id. 1. c. pp. 205-208, pi. xix. figs. 2-11. 
Turbo {Senectus) jobiensis^ sp. n., Tapparone-Canefri, Ann. Mus. Genov, 
xii. p. 97, Jobi, New Guinea. 
Turbo helicinus (Born) = cidaris (Gmel.), and cinereus (Born) = versi- 
chlor (Chemn.) ; Brauer, SB. Ak. Wien, Ixxvii. Abth. i. pp. 176 & 177. 
Sarmaticus classiarius (Gray), radula similar to that of Ninella ; Tro- 
schel, 1. c. p. 209, pi. xix. fig. 14. 
Callopoma fluctuatum (Gray), radula very near that of Ninella ; id. 
1. c. p. 209, pi. xix. fig. 13. 
Ninella torquata (Gmel.), radula somewhat similar to that of Senectus ; 
id. 1. c. p. 208, pi. xix. fig. 12. 
Lunella : radula of versicolor {(^mQ\.),porphyretica (Martyn), Jiemprichi 
(Troschel), smaragdina (auct. P), and coronata (Gmel.), upper edge of the 
median plate reflected ; id. 1. c. pp. 210 & 211, pi. xx. figs. 1-5. 
Astralium phoebia (Bolten), radula ; id. 1. c. p. 214, pi. xx. fig. 8 (rather 
similar to that of the Turbinince). 
Uvanilla gibberosa (Chemn.), radula ; id. 1. c. p. 215, pi. xx. fig. 9. 
Pachypoma imbricatum (Gmel.), rhodostoma (Lam.), and codatum 
(Chemn.), no jaw, radula described; id. 1. c. p. 215, pi. xx. figs. 10-12. 
Lithopoma tuber (L.), radula similar to that oi Pachypoma, but median 
plate longer ; id. 1. c. p. 216, pi. xx. fig. 13. 
Delphinulopsis, g. n. ; sinistral, discoidal, umbilicate, spirally ridged, 
last whorl crowned with spines, aperture rounded, nacreous within, colu- 
mellar margin not nacreous. D. lesourdi, sp. n., Wright, J. de Conch. 
