GEOGRAPHICAL DISTRIBUTION. 
Moll 11 
metres ; (4) Zone' of H. sylvatica^ 1200-1600 metres ; (5) Zone of H. 
glacialis, 2000-2500 metres ; comprising also H. zonata, II. arbustorum 
var. alpestris, Zonites petronella, and three species of Vitrina. P. Fischer, 
J. de Conch, xxiv. pp. 65-67. 
Five species of Pisidium, all new, from the lakes of Switzerland, 
20-66 fathoms, are described by S. Olessin, Bull. Soc. Vaud. xiv. 
pp. 234-243, pi. iii. They are all distinguished by small size, feeble 
hinge, and rather large summits ; the latter circumstance indicating that ' 
they remain a long time within the gills of their parents. 
CarintMa. 6 species of slugs observed by R. Latzel, JB. Mus. 
Karnt. xii. p. 117. 67 species of terrestrial- and 3 of freshwater-shells 
observed in the valley “Kanalthal,” in Carinthia, by T. Ressmann, Nachr. 
mal. Ges. pp. 128-133. 
The geographical limits between Helix fcetans [icJitJiyomma] and pla- 
nospira in Styria, one excluding the other, observed by H. Tschapeck, 
Nachr. mal. Ges. 1876, p. 21. 
2 . Southern Europe and Northern Africa. 
W. Kobelt continues to treat critically upon several groups of 
land- and freshwater-shells, especially of the genera Helix and Unio 
from Southern Europe, Northern Africa, and Asia Minor, in the con- 
tinuation of Rossmassler’s Iconography, vol. iv., and his review of the 
known Italian species of Helix, section Campylcea, in JB. mal. Ges. iii., 
treating especially of H. cingulata (Stud.) and frigida (Jan.), pp. 344-352. 
Lombardy. 81 species of terrestrial and 22 of freshwater Mollusca 
observed in the territory of Esino, province Como, and described by 
N. Pin I (supra). 98 terrestrial and 36 freshwater species observed in 
the valleys of the Oglio, Scalve, and Borlezza, and in Val Camonica, pro- 
vinces of Brescia and Bergamo, by G. B. Adami, Atti Soc. Pad. v. 
pt. 1, with peculiar attention to the elevations in which they have been 
found; amongst those occupying the highest regions are : — Arion cinctus, 
Yal d'Avio, 2600 metres; Helix arbustorum yb.v. bettce, Pizzo Tornello, 
2677 metres ; H. frigida var. liermesiana, aud Pomatias canestrinii, sp. n., 
above 2000 metres ; Vitrina diaphana, Passo del Yenevecolo, 2500 metres ; 
V. pellucida, Monte Tonale, 2700 metres ; Hyalina petronelloe (Charp.) 
and fulva, Presolana, 2100 metres; viridula (Mke.) Yal d’ Avio, 2300 
metres. 52 terrestrial and 46 freshwater species from Castel Goffredo, 
near Mantua, enumerated by J. Anselmo, Bull. mal. Ital. (2) i. 
pp. 167-183. 
Pyrenees. 47 terrestrial and 6 aquatic species inhabiting the Yalley of 
Cauterets are enumerated, and their distribution in height indicated as 
io\\ovfs:—(\) ZoTXQ ot Helix car thusiana,wp to 1000 m5tres, including 
nearly all aquatic species ; (2) Zone of II. aspersa, 1000-1200 metres ; 
(3) Zone of H. limbata, 1200-1500 metres ; (4) Zone of A . nemoralis, 
1600-2000 metres ; (5) Zone of II. carascalensis^ above 2000 metres ; 
besides the said species only II. nubigena and Limncea limosa var. gla- 
cialis occur in this zone. P. Fischer, J. de Conch, xxiv. pp. 51-65. 
Pomatius crassilabris (Dupay) ascends to the fourth and Pu 2 )a pyrence- 
