— 508 — 



HeUcida Beck 1837. Iiid. pag. 5. 

 Etym. Helix. 

 Secunda tribus Cochleadeorum. Genera : Daude- 



bardia Hartm., Hebx Brug., Artemon Beck. 

 Helicidae Gray 1824. Ann. of Philos. VIII. p. 107. * 

 Famiba Pulmobranchiatorum. 



Risso 1826. Hist. IV. p. 58. — familia Adelobranchiorum. 

 GuiLDmc 1826. Zool. Journ. II. N. 8. p. 440. et 



1828. Ibid. III. N. 12. p. 527. 

 Fleming 1828. Brit. An. p. 255. — prior subfamiba 



Cochleadaruin inopercuiatorum. Genera : Caro- 



colla, HeHx , BuHmus, Achatina, Succinea, Vi- 



trina. 

 Gbay 1840 in Turton Man. ed. 2a p. 101. !09. — 



familia Pneumobranchiorum terrestrium inopercu- 



latorum. Subfamiliae: Limacina, Vitrinina, Testa- 



cellina, Helicina. 

 TnoMPSON 1840. Land- and fresh-wat. Moll. of Irel. p. 4. 

 Cantraiae 1841. Malac. mecbt. p. 98. 

 Gray 1844. Revue zool. p. 374. 

 = Helicea Lamck. emend. 

 Helicidae Swaixsox 1840. Malac. p. 160. 326. 



Familia Phylophagorum, Subfamiliae : Limacinae, 



Lucerninae, Helicinae, Achatinae, Limnacinae. 

 HeUcigona Ferussac 1819. Prodr. p. 36. et 1821. Tabl. p. 



XXXII. 

 Etym. Helix; ywvog, -angulus. 

 Subgenus Helicis ex inclusis volutatis. Subdivisio- 



nes: Carocollae, Vortices. 



Pariter Rang 1829. Man. p. 162. 

 Helicina Lamck. 1799. Prodr. * et 1801. Syst. an. p. 94. et 



1805. Ann. du Mus. V. p. 91. 

 Etym. Helix. 



Novum genus Univalvium spiralium. 

 RoissY 1805. Moll. V. p. 275. primus adoptat. 

 Lamck 1809. Phii. zool. et 1822. Hist. VI. 2. p. 102. 



(ed. 2a VIII. p. 163.) — genus Heliceorum. 



