GASTEOPODA ( PULMONATA) . Moll. 41 
(Pfr.), coma; iVtv.)^carniolicus (A. Schmidt), and crypta (Parr.) , described 
and figured ; Kobelt, Iconogr. iv. p. 4G-50, pis. cx. & cxi. 
Zonites ? hermudensis (Pfr.). No caudal mucus pore, no longitudinal 
furrows above the margin of the foot ; a delicate arrow-like dart like 
that of Z. ligerus. Binney, P. Ac. Philad. 1876, pp. 183 & 184. 
Hyalina nitidula (Drap.) and nitens (Mich.) : on their differences, the 
former occurs also in Southern Germany ; Weinland, Weicht. schwab. 
Alb, p. 35. The latter, but not the former, found in Lombardy ; Pini, 
Moll. terr. di Esino, p. 54. 
Hyalina suhrupicola, sp. n., Packard, Bull. U. S. Geol. Surv. iii. p. 163, 
Cave in Utah ; allied to indentata (Say). 
Hyalina {Mesomphix) semisculpta^ sp. n., Mousson, J. de Conch, xxiv. 
p. 26, Persian shore of the Caspian Sea. 
\^Mesomphix] Zonites inornatm (Say) and fuliginosus (Griff.) : radula ; 
Binney, P. Ac. Philad. 1876, p. 183, pi. vi. figs, c & D. 
Macrocyclis sportella (Gould) : radula ; id. 1 . c. fig. aa. 
Odontognatha. 
Avion empiricorum (Fer.) : the darkly-coloured varieties prevail in 
damp localities, the clear red in rather dry regions. A. subfuscua 
(Drap,), a rather brown and a rather grey variety distinguished. A. hor- 
tensis (Fer.) is a good species, but A . tenellus appears to be a young of 
A. empiricorum. Leydig, Arch. f. Nat. xlii. pp. 265-273. 
Avion melanoceplialus (Fauye Biguet) = empiricorum (Fdr.), juv., as 
already stated by Seibert; A.fuscus (Mull.) and hortensis (Fer.), diag- 
nosed : Weinland, Weicht. schwab. Alb, pp. 43-45. 
The Scandinavian species of Avion reviewed by Malm, CEfv. Ak. 
Forh. xxxiii. No. 1, pp. 74-76. 
Binneya notahilis (Dali) : genital organs ; Binney, P. Ac. Philad. 1876, 
p. 185, pi. vi. fig. 5. 
Patula strobeliana and stelzneriana, spp. nn., Doring, Bol. Ac. Cordova, 
ii. pp. 312 & 313, western slope of the Sierra do Alchala, Argentine 
States. 
Helix. Pala3arctic species : — 
\_Vallonia'] Helix tenuilahris (Braun) : apparently recent specimens 
found in the sediment of the Danube in Bavaria ; S. Clessin, Nachr. 
mal. Ges. 1876, p. 67. 
[Fruticola'] Helix edentula (Drap.) described ; Weinland, Weicht. 
schwab. 1. c. Alb, p. 50. 
Helix rufescens (Penn.) var. n. clessini, with hairs ; id. 1. c. p. 53. 
Helix dirphica, sp. n.. Martens, JB. mal. Ges. iii. p. 339, pi. xii. fig. 2, 
Eubcea. 
Helix (Fruticola) septemgyrata, sp. n., Mousson, J.'de Conch, xxiv. 
p. 29, pi. ii. fig. 2, Kers [Kars ?], 
Helix {JEulota) nordenskioldi and {Trichia) stuxhergi, spp. nn., Wester- 
lund, Nachr. mal. Ges. 1876, pp. 97 & 98, Siberia, on the shores of the 
