50 Molh 
MOLLUSCA. 
EiSSOIDtE, 
Rissoina (Orb.). H. C. Weinkauff continues his monograph in Kiis- 
ter’s Conch. Cab., parts 302, 303, & 312, pp. 41-80, with G pis., describing 
and figuring 60 species, among which are the following new : japonica, 
subulina and adamsiana, Japan, nevilliana^ S. China, andamanica, Anda- 
man Islands, jicJceliij Massowa, pp. 65-68, 75 & 79, pi. xv.u, figs. 1, 3, 4, & 
7, pi. XV.5, fig. 6 & pi. xv.c, fig. 4 ; also peaseana, Tahiti, hungerfordiana, 
Hongkong, subfuniculata, Indian Seas, subdebilis, Mauritius (Nevill, MS.), 
pp. 68, 70, 76 & 77, pi. xv.a, figs. 6 & 9, pi. xv.6, figs. 8 & 9. 
Rissoina baxteriana, sp. n., Red Sea, orientalis, sp. n., Ceylon, Mauri- 
tius, &c., blanfordiana, sp. n., Annesley Bay, Red Sea, weinhauffiana, 
sp. n., Andamans, nevilliana (Weinkauff), Hougkong, sublcevigata, sp. n., 
Andamans, and pseudo-bryerea, sp. n., Red Sea ; Nevill, J. A. S. B. 1. 
pt. 2, pp. 161-165, the third pi. vi. fig. 16. 
Rissoa {Cingula) harpa, sp. n., Verrill, P. U. S. Nat. Mus. iii. p. 374 
[1880], Southern New England, to 365 fath. 
Amphithalamus pellyce, sp. n., Adelaide, Nevill, J. A. S. B. 1. pt. 2, 
p. 165. Barleeia ? microthyra (Martens) belongs also to this genus. 
Stenothyra woodmasoniana, hungerfordiana, and blanfordiana (Nevill) 
figured ; id. 1. c. pi. vii. figs. 8-10. Lithoglyphus renouji, sp. n., Servain, 
Hist. mal. lac Balaton, p. 92, Lake Balaton, Hungary. 
Lithoglyphus lilliputanus, sp. n., Gredler, JB. mal. Ges. viii. p. 131, Prov. 
Kwangtung, China. 
Lithoglyphus neritinoides and rufo-filosus (E. A. Smith, 1880), Smith, 
P. Z. S. 1881, pp. 287 & 288, pi. xxxiii. figs. 19 & 20 ; operculum of the 
latter described, resembling that of Tiphobia. [^Cf. the following.] 
Tanganyicia, g. n. Shell resembling a young Ampullaria, aperture 
piriform, peristome straight, produced into a small lobe near the umbili- 
cal chink ; operculum horny, first spiral, afterwards concentric. T. rufo- 
filosa and ? neritinoides (E. A. Smith, both as Lithoglyphus), Lake 
Tanganyika ; Crosse, J. de Conch, xxix. pp. 123-126, the former pi. iv. 
fig. 5. 
Lacunopsis (Desh.). No denticles in the cuspid of the median tooth of 
the radula, but some on the surface of its basal plate ; cuspid of the 
intermediate (first lateral) tooth denticulated on its internal half. First 
group ; columellar lip with a tooth, and operculum notched for its recep- 
tion. L. globosa and ventricosa, spp. nn., Cambodia. Second group : 
columellar lip straight, operculum not notched. L. harmandi, sp. n., 
Cambodia. L. tricostata (Desh.) is a young Jullienia. Poirier, 
J. de Conch, xxix. pp. 6-9, pi. i. figs. 1-3, new species, and pi. iii. fig. 5, 
radula. 
Lacunopsis (Spelcia, Bgt.) zonata (Woodw., as Lithoglyphus), Crosse, 
J. de Conch, xxix. pp. 120-122, pi. iv. fig. 4. 
Jullienia (Crosse & Fischer). Cuspid of the median tooth of the 
radula laterally denticulated in most species, entire in J. costulata ; den- 
ticles on the surface of its basal plate ; cuspid of the intermediate (first 
lateral) tooth denticulated on both sides. J. harmandi, costata, nodulosa, 
