70 Moll. 
MOLLUSCA. 
Helix tlgrina (Jan), Como and Bergamo. 
Helix frigida (Cristof. & Jan), Monte Codeno; var. hermesiana 
(Pini), Monte Presolana ; var. frigidiscens (Del Prete), Apuan 
Mountains ; (?) var. frigidissima (Adami), Monte Frerone and 
Passo di Belviso ; var. apuana (Issel), Apuan Mountains ; var. 
ligurica (Kobelt), Limone in Piedmont. 
A table is given showing the mutual and intersecting affinities of all 
these forms, with figures of 12 of them ; Bull. Soc. mal. Ital. vii. 
pp. 5-55, pis. i. & ii. P. Strobel makes some critical observations on 
this paper, repeating his description of H. cingulata var. cingulina 
(Strobel, 1844), from the Klamm, near Innsbruck, and distinguishing 
H. insuhrica (Jan) from II. frigida^ both of which present one-coloured 
and one-banded specimens; tom. cit. pp. 213-220. 
Helix cingulata (Stud.), variability of specimens from the same locality 
(Bozen) ; Martens, SB. nat. Fr. 1881, pp. 122-125. 
Helix planospira (Lam.) var. n. alifensis, Piedimonte d’Alife, Terra 
di Lavoro ; Paulucci, Bull. Soc. mal. Ital. vii. p. 95, pi. ii. fig. 2, with 
notes on other varieties of the same in Southern Italy, pp. 94-97. 
Helix crinita (Sandri), rectification of its first description ; Brusina, 
Bull. Soc. mal. Ital. vii. p. 226. 
Helix arhustorum (L.). Description of jaw, radula, and dart varieties, 
observations on development, habits, food, a parasitical white mite, and 
large list of British localities, by J. W. Taylor, J. of Conch, iii. 
pp. 241-256, pi. i. figs. 1-4 variations of the jaw, fig. 5 teeth of the radula, 
figs. 6-8 dart and dart-sac. 
Helix arhustorum (L.). P. Hesse proposes to place this species in the 
subgenus Campylcea, and to reserve the name Arionta for the Cali- 
fornian species, the genital organs of which differ essentially from it ; JB. 
mal. Ges. viii. pp. 346 & 347. [77. arhustorum is the type of Arionta^ 
and the only species of it which was known to Leach, the author of 
this name.] 
[TacAea] Helix nemoralis. Table on the frequence of the different 
combinations of bands in this species, observed in 1714 specimens ; 
C. Biemenschneider, Nachr. mal. Ges. 1881, pp. 25 & 26. 
Helix {Tacliea) atro-lahiata (Kryn.) varr. nn. tricolor^ maculato-fas- 
eiata, and decussata, Kutais in Transcaucasia ; Bottger, JB. mal. Ges. 
viii. pp. 215 & 216. 
Helix carsoliana (Fer.) = marrucina (Tiberi), var. n. milettiana, top 
of Monte Miletto, 2050 metres, Matese, and var. n. uni-armata, Carsoli, 
Paulucci, Bull. Soc. mal. Ital. vii. pp. 110, 111 & 159, pi. iii. figs. 2 & 3. 
Helix sclierzeri (Zelebor), Kobelt, JB. mal. Ges. viii. p. 335, pi. x. 
figs. 13-15, Gibraltar. 
Helix scahriuscula (Desh.), platy chela (Menke), and intermediate 
forms, their topographical distribution in Sicily; id. 1. c. pp. 50-67, 
pi. ii. 
Helix sicanoides, platy cheloides, tetuanensis and hcettgeri, spp. nn., 
id. 1. c. pp. 330-334, pi. x. figs. 1-12, also Nachr. mal. Ges. 1881, 
pp. 130 & 131, limestone mountains, near Tetuan. 
[Pomatia^ Helix pomatia (L.), varr. nn. compacta^ pulsJciana, hajnaU 
