MOLLUSCA. 
493 
LiMNiEIDi®. 
Chilina flumhica (Maton) found at Porto Alegre by Dr. Hensel ; jaw not 
found, lingual teeth disposed in angular rows, otherwise similar to those of 
the other Limnreidse. Ileynemann, Mai, Bliitt. xv. p. 112, pi. 5, fig. 11. — 
Chilina paj'va, sp. n.. Martens, ibid. p. 186, inland region of Rio Grande 
do Sul. 
Limncea stagnalis, var. haltica, small and brownish, somewhat similar to 
palustriSf on the seashore of Gotland, and var. lacustris (Stud.) in the same 
island, Lindstrom, Gotlands nut. Moll. p. 22 ; L. ovata (Drap.), var, sued- 
nemformis^ Lindstrom, ibid. p. 23, pi. 2. fig. 3. 
► Limnma vatonni, sp. n., Bourguignat, Hist. Malacol. Tunis, p. 31, pi. 1. 
figs. 32, 33. Rivulets of lukewarm water in the Djerid, south of the regency 
of Tunis, and thermal springs in the oasis Ghadames. 
Limncea hocageana, sp. n., hengmUemis^ new name for succineoides (Morelet, 
Journ. Conch. 1866), sordulenta, sp. n., and oropliila, sp. n., Morelet, Moll, 
terr. et fluv. Voy. Welwitsch, pp. 86, 87, pi. 7. fig. 3, pi. 6. fig. 4, pi. 7. 
figs. 6 and 4, Angola ; the last on the Serra de Xella, 1400 metres above 
the sea. 
LimiKea elodes is stated to be hatched from eggs of L. catascopium, when 
they happen to be in shallow water. Lewis, Am. Journ, Conch, iv. p. 4. 
Limncea (Linmophysa) vahlii (Beck), with some varieties, including mdl- 
kri ping elii (Beck), and wormskioldii, Beck, Greenland, Morch, Am. 
Journ. Conch, iv. p. 34, pi. 4. figs. 1-6 ; L. holbollii (Beck), Greenland, ibid, 
p. 36, pi. 4. fig. 8. 
Tompholyx. Dr. J. E. Gray points out that the supposed second pair of 
eyes requires confirmation, and that the genus may belong to the AuricuUdcCf 
Ann. & Mag. Nat. Hist. ii. p. 387. 
Physa pisana (Issel, 1866). Its description reproduced in Bullett. Malacol. 
Ital, i. p. 6, pi. 1. figs. 7-8, Pisa. 
Physa loelwitschii (Morelet) and angolensis^ sp. n., Morelet, Moll. terr. et 
fluv. Voy. Welwitsch, p, 88, pi. 7. fig. 9, and pi. 9, fig. 8, Angola. 
Physa [group Isidorai] crystallina and capillacea^ spp. nn., Morelet, 1. c. p. 89, 
pi. 9. fig. 1, and pi. 8. fig. 1, Angola. 
Physa [turreted species] canescens, apiculata, semiplicata^ turriculata, and 
clavidata, spp, nn., Morelet, I c. pp. 90-93, with figures. Angola. 
Physa guillaini^ sp. n., caledonica, hispida, and tetrica^ nasuta (Morelet) = 
castanea (Gassies, not Lam.), obtusa (Morel.), auriculata (Gass.), and kana- 
kina (Gass.) described by Crosse, Journ. Conch, xvi. pp. 317-330, pi, 13. 
figs. 1-4. 
Physa rivalis {^\oXcyd) — orbignyana (Shuttl.) (Adams), Porto 
Alegre, Martens, Mai. Blatt. xv. p. 185. 
Bidinus iryoni (Currier) not to be distinguished from hypnorum (L.), 
Lewis, Am. Journ. Conch, iv. p. 81. 
Physopsis globosa, Morelet, Moll. Terr, et Fluv. Voy. Welwitsch, p. 93, 
pi, 9. fig. 4, Angola, in lakes. 
Planorbis arcticus (Beck), Greenland, Tryon, Am. Journ. Conch, iv. p. 32, 
pi. 4. fig. 9, allied to parvus and dejlectiis (Say), of American, and to damri=i 
spirorbis of Rossniiissler, of European species. 
18G8. [voL. V.] 2 L 
