164 
MOLLUSCA. 
(Layard), distinguenda^ solida, dromedarius^ and fulgurata (Dohrn), 
decussata, clavata, and hicincta {'Ry.), swainsoni^ nasuta^ sphcerion^ tor- 
renticola^ and pyriformis (Dohrn), dilatata and abhreviata (Rv.)> thioaitesi 
. (Layard), hanleyi (Dohrn), constricta (Rv.)» palustris (Layard), cumin- 
giana and nodulosa (Dohrn), all from Ceylon, acuta (Rv.), Pondichery, 
tanschaurica (GmeL), Coromandel, paludinoides (Rv.), Sikkim, and maurus 
(Rv.), Ganges ; iid. 1. c. pp. 49-51, pis. cxxi.-cxxvi. 
Paludomus hroti and moreleti^ spp. nn., Issel, Ann. Mus. Genov, vi. 
(1874) pp. 455 & 456, pi. vii. figs. 19 & 20, 21 & 22, Sarawak, Borneo 
[see also Vivipara, p. 166J. 
Paludomus parvus (Lea, 1856, as PachycTiilus') = Melania crassilahrum 
(Reeve, 1860) = P. cyanostomus (Morelet, 1864), from Siam, operculum 
with radiating striae, like that of Tanalia j Morelet, Series Conch, iv. 
p. 315. 
Planaxid;e. 
Alaba (H. & A. Ad.) proper, whorls tumidly varicose, columella 
more or less truncated, labrum thickened in the adult ; sub-genus Diala 
(A. Ad.), whorls not varicose, columella rather straight, labrum not 
thickened ; the known species enumerated. D. rufilabris (A. Ad.) 
belongs to Hydrobia. Edgar Smith, P. Z. S. 1875 [1876], pp. 537-540, 
woodcut. 
Diala leithi^ id. 1. c. p. 539, California (living animal described) ; D. 
simplex and tenuis^ id. Ann. N. H. (4) xvi. p. 105, North Japan; D. 
tumida^ tessellata^ and punctata^ J. E. Tenison Woods, P. R. Soc. Tasm. 
1875 (sep. copy), p. 15, Tasmania : spp. nn. 
Littorinidab. 
Littorina setosa, Edgar Smith, Ann. N. H. (4) xvi. p. 69, Kerguelen’s 
Island ; L. hisseyiana^ J. E. Tenison Woods, 1. c. p. 16, Tasmania : 
spp. nn. 
Lacuna vestita, A. Metzger, Bericht, &c., p. 256, Coast of Norfolk, 12 
fathoms ; L, unicarinata^ Edgar Smith, Ann. N. H. (4) xvi. p. 104, on a 
littoral Sargassum, North Japan : spp. nn. 
Hela glabella^ sp. n., not described, depth of 120 metres; Monterosato, 
Atti Acc. Palerm. 1875, p. 25. 
Fossarus caledonicus (Crosse) fully described and figured by the 
author ; J. de Conch, xxxiii. p. 139, pi. vi. fig. 6. [Nonne Risella ?] 
Fossarina simsonL sp. n., J. E. Tenison Woods, P. R. Soc. Tasm. 
1875 (sep. copy), p. 17, Tasmania ; = F. petterdi (Crosse), according to a 
later note of the author, op. cit. May, 1876. 
Rissoidj}. 
Rissoina gertrudiSy sp. n., J. E. Tenison Woods, 1. c. p. 14, Tasmania. 
Rissoina {Setia') brazieriy sp. n., id. ibid.y Tasmania. 
Rissoina ? abnormiSy sp. n., G. & H. Nevill, J. A. S. B. (n.s.) xliv. 
pt. 2, p. 100, pi. viii. fig. 23, Mauritius. 
