578 
ZOOLOGICAL LITE II ATU RE . 
A few observations on the eggs and young of Limncea stagnalis (Ij.) are 
given by Nauck in Correspondenzblatt d. naturforschenden Vereins in liiga, 
vol. xvii. 1869, p. 177. 
The auditory sac and its contents in Limncem stagnalis and Ancglus lacus- 
tris is described and figured by Gulliver, Journ. of Anat. and Physiol, v. 
pp. 79-81, pi. 2. figs. 1 & 2. The author does not appear to have been ac- 
quainted with a more extensive paper on the' same subject by Ad. Schmidt in 
Giebel’s Zeitsclirift fiir die gesammten Naturwissenschaften, vol. viii. 1856, 
with 2 plates. 
Chilina Jluctuosa (Gray), var., from Southern Chile, Martens, Mai. Bliitt. 
xvi. p. 217. 
Limncea auricularia (L.) Midiperegra (Mlill.) found m copw/a, Ileynemann, 
Nachrichtsbl. mal. Gesellsch. i. p. 37. 
Limncea involiita (Harvey) from Lough Crincaum; the living animal does 
not show an outward expcxnsion of the mantle, and therefore does not belong 
to Amphipeplea. More, Ann. «& Mag. Nat. Hist. iv. p. 46, pi. 3. fig. 3. 
Limncea variahilis (Millet). Notes by L. Bardin, Act. Soc. Linn. Bordeaux, 
vol. xxvi. part 4, March 1868. 
lAmncea sordulenta (Morel et)=Z. ovatus, var. staeheli (Reibisch), and Z. 
ribeirensis (described by Reibisch as variety of auricularius), from the Cape- 
Verde Islands, regarded as distinct species and described by Dohrn, Mal. 
Blatt. xvi. pp. 14, 16. 
Physa wahlbergi (Krausa) from the Cape-Verde Islands and many parts of 
Continental Africa, very variable. The following are not to be distinguished 
specifically from it : — Bttlimus scalaris and schmidti (Hunker), Isidora lamel- 
losa (Roth), Physa apicidatUy semiplicataj and clavulata (Morelet). Hohrn, Mal. 
Blatt. xvi. pp. 15-18. — E. v. Martens treats of the same subject, and comes 
to similar conclusions, from Abyssinian specimens ; he adopts the name furs- 
kalii (Ehrenborg) as being the oldest. Ibid. pp. 213, 214. 
Physa pisana found also in Spezzia. Issel, Bullett. mal. Ital. ii. p. 31. 
Physa seychellana, sp. n., Martens in V. d. Hecken’s Roisen in Ost-Afrika, 
vol. iii. p. CO, pi. 2. fig. 3, Seychelle Islands. — Physa artensisy sp. n., 0 assies, 
Journ. Conch, xvii. p. 76, Art Island, New Caledonia. 
Planorbis coretus (Desh.), Cape-Verde Islands. Hohrn, Mal. ]31iitt. xvi. p. 18. 
Planorbis ruppelli (Hunker) described by Martens, Mal. Blatt. xvi. p. 271, 
272, Abyssinia. 
Planorbis laurieochcey raimondiy and trigyrus, spp. nn., Peru, Philippi, Mal. 
Blatt. xvi. pp. 38, 39. — Planorbis declivisy sp. n., Tate, Am. Journ. Conch, v. 
p. 169, Nicaragua. 
Ancylus Jluviatilis (Miill.). On its varieties, several of which have been 
regarded as distinct species by other authors, Hubrueil, Cat. Moll, do 
I’llerault, p. 101. 
Ancylus milleriy sp. n., Hohrn, Mal. Blatt. xvi. p. 18, Cape-Verde Islands. 
Th ALASSOPHILA. 
Siphonaria kurracheensis (Reeve) figured in Rescript. I’Egypte, pi. 1. f. 1, 
Red Sea. Issel, Malac. mar. ross. p. 153. 
Siphonaria stdlata (Helbling, 1779) = <?.nV/«a (Sow.). Martens, Mal. Bliitt. 
xvi. p. 235. 
