62 ACHATINID^. 



LEPTiNARiA, Beck, 18S1 . Shell oval, pellucid ; columellar lip 

 doubly toothed ; outer lip smooth, sharp. L. Gumingiana, Pfr, 

 (c, 92). 16 sp. West Indies, Central, and Northern South 

 America. 



Ferussacia, Risso, 1826. 



St/n. — Pegia and Yediantius, Risso, 1826. Strobilus, Ads., 

 1855. 



Distr. — 62 sp. Mediterranean region. Canaries, Malaysia, 

 etc. Fossil. Eocene. 



Shell small, ovatelj^ fusiform, imperforate, polished, trans- 

 parent, columella plicate, subtruncate ; outer lip simple. Jaw thin, 

 numerously plicate, margins crenulated. 



FoUiculus,AgsiSsiz,lS31. (Euferussacia,Bourg., 18Y0.) Typ- 

 ical group. F. Gronoviana, Risso (c, 93). F. Vescoi, Bourg. 

 (c, 94). 37 sp. Southern Europe, N. Africa, Madeira. 



Pseudo^treptostyla, Nevill. Pillar-lip resembling that of Spir- 

 axis. F. abnorviis, Nevill. So. France. 



Gylichnidia, Lowe, 1854. Shell oval-fusiform, columella uni- 

 plicate ; outer lip thin. C. ovulifoi^mis^ Lowe (c, 95). 2 sp. 

 Madeira. 



Tornafellinoides^ Pfr., 1877. Resembling Tornatellina. C. 

 achatinoides, Pfr. 8 sp. N. Africa, Syria, Gambier Isles. 



Pi<eudazeca, Pfr., 1877. Resembling Azeca. C. procerula, 

 Mor. 5 sp. Algiers. 



Gryptazeca, Folin, 1877. Shell like Cionella, with one colu- 

 mellar tooth ; hinder end of the foot truncate, with several 

 unicellular glands ; mantle not extended beyond the shell. G. 

 monodonta, Folin. Bayonne. 



Lowea^ Watson. Mantle thinly spread over the outside of the 

 shell, and extending like a tongue backwards behind the poste- 

 rior corner of the aperture ; tail abruptly truncate, with a mucous 

 gland. L. melampoides, Watson. Madeira. 



AZECA, Leach, 1818. (Agraulina, Bourg., 1858.) Shell small, 

 oval-elliptical, corneous, smooth, polished ; aperture half the total 

 length, oval or oblong, with numerous teeth ; columella com- 

 pressed, callous, truncate-dentate at the base ; peristome simple, 

 obtuse, labiate within, the extremities usually united b}^ a 

 tubercled callus. 17 sp. Europe, Algiers, Canaries. 



Azecastrum, Bourg., 1858. Typical group. A. tridens, Pult. 

 (c, 96). 2 sp. Europe. 



Alsobia, Bourg., 1858. A. Paroliniana, Webb and Bertholet. 

 Canaries. 



Hypnophila, Bourg., 1858. A. Pupseformis^ Cantraine. 9 sp. 

 Europe, Algiers. 



Fusillus, Lowe, 1854. A. triticea, Lowe. 3 sp. Madeira.. 



Amphorella, Lowe, 1854. A. tornatellina, Lowe. 3 sp. 

 Madeira. 



