MOLLUSCA. 
663 
Odontognatha. 
Avion mahillianus, sp. n., Bourguignat, Moll. Noiiv. fasc. vii. 1866, p. 173, 
pi. 29. f. 1-4, B^partement d’Aube, France. [Appears to resemble very 
much Draparnaiid’s suhfuscus ; the author oniiita to compare it with this 
species.] A. tenellus (Mull.) = ^. vimcews of Millet, described and figured 
in the same work, p, 175, pi. 29. figs. 6-7, Northern France. [Ought to be 
compared with Faure-Biguet’s and F^russac’s A. melanocephalus.'] A. an- 
thraciuSj sp. n., Bourguignat, 1. c. p. 178, pi. 29. figs. 8-10 ) ^'it ought not to 
be taken for a young A. atevj' Faux Bonnes, B^p. Basses Pyr^n^es. — A, 
I'uhiginosus, sp. n. (Baudon in litt.), Brouet, Moll. Cote d’Or, p. 26, B^p. C6te 
d’Or, France. 
Avion hovtensis (F^Y.) — Limax fasciatus (Nilss.), very well agreeing with 
F^russac, pi. 8cf. fig. 3, iFrom Mantchouria, Schrenck, l. c. p. 691. 
Avion foliolatus (Gould), figured in Am. Journ. Conch, iii. pi. 16. figS. 
9, 10. 
Geomalacus. The known species are enumerated and described by J, 
Mabille. They are : — G. maculosus (Allman), Ireland, G. andvewsi, 
also Ireland ; G, anguifovmis (Morelet as Limax), Portugal j G. intevmedim 
(Norman as Avion), Valenciennes, Northern France ; G. bouvguignati, pala- 
dilhianus, and moitessievianuB, spp. nn., all three in the Wood of Meudon, 
near Paris. Bevue et Mag. Zool. 1867, pp. 63-64. — G. hiemalia, sp. n., Brbuet, 
Moll. Cote d’Or, p.27, Fixin, B(^p. Cote d’Or, France. 
Letouvneuxia, g. n., Bourguignat. Pulmonary orifice situated in the fore- 
most part of the shield ; shelly plate thick, without concentric lines ; jaw 
crenated, without median prolongation ; foot deeply divided from the sides 
of the back j no muciparous pore at its extremity. L. numidica, sp. n., 
Bourguignat, Moll. Nouv. fasc. vii. 1866, p. 201, pi. 34. figs. 1-7, Tlemcen, 
Algeria. 
Xanthonyx, g. n., Fischer, Journ. Conch, xv, p. 212, pi. lO. figs. 1-4. Shell 
like Vitvma) jaw ribbed like A?non; teeth of the radula with broad, sub- 
quadrangular base, like Avion and Helix. Only one mucus-vesicle, like 
Helix lenticida. No sagitta amatoria. Flagellum well developed. The only 
known species was described some months ago, in the same journal, by 
A. Brot, as Vitvina sumichvasti, sp. n., p. 70, pi. 4. fig. 2, Mexico. In a sub- 
sequent paper, pp. 221-227, Crosse and Fischer give the conchological de- 
scription of the new genus at length, and refer to it also tSimpulopsis Ballmna, 
(Pfr.) and covdomna (Pfr.). 
\^Patula'] Helix infecta (Parreiss), Pfeiffer, Novitat. pi. 78. fig. 14-16, said 
to be from Canada. — H. xanthochvoa, sp. n., Crosse, Journ. Conch, xv. p. 199, 
pi. 6. fig. 2, locality unknown. — H stviatella and asteviscus, figured by Morse, 
Am. Naturalist, i. pp. 645 & 646, H. altevnata, p. 137. 
{Patula^ Helix elcgantula, sp. n., Pfeiffer, Mai. Blatt. xiv. p. 196, Vera 
Cruz. 
Patida quadvispiva (Martens), 1. c. p. 259, pi. 13. fig. 9, Ceram. 
Patula, subgenus Macvocycloides (Martens). With varnished glossy epit 
dermis and rounded whorls. P. ohscuvata (Adams & Rv. as Helix), Borneo j 
and lutea (Martens), 1. c. pi. 12. fig. 16, Burn. To this subgenus belong also 
Helix cosmia (Pfr.), xevnicosa (Krauss), hullacea, lampva, and vevonica (Pfr.), 
Martens, 1. c. pp. 259-261. 
