33 Moll 
Systematic. — Prosobranchia. 
2231 
\Loxonema sinnuosa var. n. australis 
Silurian Victoria, Chapman Proc. R. 
Soc. Victoria 29 p. 96 ; L. with L. 
wdleriana sp. n. Silurian U.S. A., 
Williams & Breger Bull. U.S. Geol. 
Surv. 89 pp. 29-80 ; L. wortheni sp. n. 
Carboniferous U.S. A., Weller Contrib. 
Walker Mus. Chicago 1, p. 261. 
Melania . Germain 137. 
t Melania fossariformis, Grtgorovi<5- 
Berezovskij 147. 
f Melanopsis, Grigorovi5 - Bere- 
zovs kt.t 147 ; M. rhodensis, KaliAku 
207. 
f Microdomus, Cossmann 74. 
f Micromelania (?) curta sp. n. 'piano - 
convexa var. n., Nalivkin M6m. Com. 
geol. 116 pp. 21-22, 31. 
f Nina, Cossmann 74. 
f Oncospira, Cossmann 74. 
\Ooliticia, Cossmann 73 and 74. 
f Palaeonaricia, Cossmann 74. 
\Paleunema, Cossmann 74. 
}Planaxis densestriatus sp. n. Java 
Miocene, Martin Leiden Samml. geol. 
Reichsmus N.F. 2 p. 264. 
Pseudobaicalia elegantula, Dybowski 
110 . 
f Pseudolacuna, Cossmann 74. 
| Pseudomelania, Cossmann 73. 
]Rigauxia, Cossmann 74. 
f Risella and R. ( Risselloidea ) bajocica 
sp. n. France [? Tertiary], Cossmann 
Essais Pal. Comp. 1915 [1916] pp. 73, 
263. 
fj Rothpletzella, Cossmann 74. 
] Spironema, Cossmann 74. 
f Sublacuna, Cossmann 74. 
\Tectarium, Cossmann 74. 
Solariidae, Skeneiidae, Litiopidae, 
Rissiodae, Hydrobridae/Vivipari- 
dae, Valvatidae, Ampullariidae 
AND ASSIMINEIDAE. 
Alvania thouinensis, seminodosa, 
suprasculpta spp. n. Tasmania May. 
Proo. R. Soc. Tasmania 1915 pp. 94-95- 
Amnicola neomexieana New Mexico. 
— A. deserta Utah, spp. n., Pilsby 
Nautilus 29 p. 111. 
(n- 9974 r) 
Amphithalamus triangulus, auran- 
tiocinctus, pertumidus, tiara , spp. n., 
Tasmania, May Proc. R. Soc. Tas- 
mania 1915 pp. 95-96. 
Ampullaria, Germain 137 ; A. 
Sowerby 358. 
] A ngy omphalus subgen. n. ( Rotellom - 
phalus), Cossmann Essais Pal. Comp.. 
1915 [1916] p. 152. 
f Architerlonica ullreyana sp. n. 
Eocene California, Dickerson Univ, 
Cal. Pub. Geol. 9 p. 487. 
Asse, mania rnfostrigala sp. n. Bi.l. 
garia, Hesse Nadir. 111. D. Malakozool 
Ges. 48 p. 154. 
Bythinia mollschanovi sp. n. Delta 
of the Amur - Darja, Lindholm Ann. 
mus. zool. Ac. sc. 19 pp. 344-345 ; B. 
Germain 137. 
^Bythinia vukotinoviii, GrigoroviC- 
Berezovskij 147. 
Campeloma with C. rufum meri- 
dionale, geniculiforme subspp. n. 
Georgia, Pilsbry Nautilus 30 p. 42. 
Cerithiopsila antarctica, Hedley 166. 
\Colpomphalus sec. n. ( Discohelix) r 
Cossmann Essais Pal. Comp 1915> 
[1916] p. 136. 
Discohelix hedleyi sp. n. New Zealand,. 
Mestayer Trans-N. Zeal. Inst. 48 p- 
125. 
f Discohelix, Cossmann 73 & 74. 
Eatoniella Jeerguelenensis, Hedley.. 
166. 
Eatoniopsis ainsworthi sp. n. Mac- 
quarie Isd., Hedley Aust. Ant. Exp^ 
1911-1914 Vol. 4 p. 46. 
] Eccyliomphalus, Cossmann 74. 
fj Emmericia, Pilsbry 309. 
f Emmericia jenTciana and Candida, 
Grigorovi<3-Berezovskij 147. 
Epigrus semicinclus sp. n. Tasmania 
May Proc. R. Soc. Tasmania 191& 
p. 96. 
Eumeta strebeli, Hedley 166. 
f Euomphalus with E. centrifugali & 
sp. n. Silurian Victoria, Chatman 
Proc. R. Soc. Victoria 29 pp. 89-90 
E., Cossmann 74 ; E., Mather 249. 
\Fluminicola nevadensis sp. n. Nevada 
Walker Occ. Faprs. Mus. Zool. Univ_ 
Michigan No.29 p. 6. 
c 
