68 MolL 
MOLLUSCA. 
observations a general review and comparative morphology of the chief 
anatomical peculiarities in the Zonitidm (part of the Pulmonata oxy- 
gnatha)f principally the sole of the foot, the male genital organs, with 
critical remarks on the distinction between flagellum and penis, as used 
by diiferent authors, and finally the radula. He concludes that Macro- 
chlamys may represent the type of the family, and that all the rest may 
be derived from it as differentiated and very often reduced forms in 
several lines or series. 
The spermatophore is formed in a furrowed portion of the vas deferens 
in Zonites algirus (L.), olivetorum (Gmel.), and lucidus (Drap.) ; Du- 
brueil. Rev. Montp. v. [Dec. 1876]. 
The generative organs of the genera Avion and Limax are the subject 
of an academical dissertation by F. A. Bentink, “ Over systematick en 
generatie - organen van naakte Pulmonaten’^ (Leiden: 1875, 68 pp. 
2 pis.). The anatomical disposition and histological structure of them is 
fully described and several differences between the two genera pointed 
out ; in Limax^ e.g., the capreolus is wanting and the receptaculura seminis 
is much smaller than in Avion, and the vas deferens is a tube which is 
closed all round, whereas in Avion it is open laterally and communicates 
for all its length with the oviduct. 
French Limacidoo figured by Jousseame, Bull. Soc. Zool. Fr. pt. 4, Oct. 
& Nov. 1876, pi. iv. 
Limax hypevhoveus, sp. n., Westerlund, Sv. Ak. Handl. (2) xiv. pt. 2, 
No. 12, p. 21, Sopotschnoj on the Yenissei, 70° N. lat. 
Limax agvestis (L.) ?, Japanese specimen j Martens, SB. nat. Fr. 1877, 
p. 99. 
Limax vaviegatus (Drap.) common in cellars in several towns of 
Northern Germany ; Wiegmann, Nachr. mal. Ges. 1877, pp. 8-10. 
Limax altilis, sp. n., Fischer, J. de Conch, xxv. p. 49, Oauterets, Pyrenees. 
Pavmacella. The known European and North African species described 
and figured', partly copied from other authors ; Kobelt, Iconogr. v. 
pp. 58-60, pi. cxxxiv. figs. 1317-1321. 
Pavmavion kevsteni : see below in the Elasmognatha. 
Limax eivuscus (Issel) anatomically examined by Sordelli, Bull. mal. 
V. 1872, pp. 5-14, pi. i. ; it belongs to Amalia (Moq. T.), and perhaps = 
A. mavginata (Drap.). 
Vitvina dia})hana (Drap.), heynemanni (0. Koch), Middle Germany, 
elongata (Drap.), gvacilis (Forbes), hvevh (Fdr.), Southern Germany and 
Alps, pyvenaica (F^r.), majov (F4r.), annulavis (Stud.), sevvainiana (St. 
Simon), Pyrenees, and chavpentievi (Stabile) = nivalis (Oharp.), Alps, 
above 6000 feet. Kobelt, Icongr. v. pp. 84-80, pi. cxli. figs. 1388-1408. 
[The figures scarcely sufficient for recognition.] 
Vitvina majov (F^r.) and pellucida (Mull.) from Paris, described by 
F. Jousseaume, Bull. Soc. Zool. Fr. pt. 4, Oct. & Nov. 1876, pp. 184-190, 
pi. iv. figs. 7-9. 
Vitvina haudoni, sp. n., Delaunay, J. de Conch, xxv. p. 363, pi. xi. 
fig. 5, Cherbourg. 
Vitvina vuivensis (Couth.) distinct from lamavcki (Fdr.); Watson, 
J. de Conch, xxv. p. 227. 
