CATALOGUE 
OF 
PHANEROPNEUMONA. 
The Mantle, free from the nape, leaving the pulmonary cavity 
open. Animal unisexual. Operculum distinct, spiral, or an- 
nulated. 
Phaneropneumona, Gray, Lond. Med. Repos. 1821; Herrm. Ind. 
ii. 243. 
Pulmonata operculata, Ferussac, Tabl. Syst. 23, 1821. 
Pneumopoma, or Pneumonopoma, Latr. Fam. Nat. 1825. 
Cochlea operculata (part), Mem. Brit. Anim. 287, 1828. 
Celopneumata operculata, Menke, Syn. 22, 1828. 
Ceelopnoa operculata, Menke, Syn. ed. 2, 39, 1830. 
Helicinea, Deshayes, Eney. Meth. iii. 552. 
Pulmonata operculata, Wiegmann, Handb. Zool. 527, 1832. 
Cyclostomacea (part), Anton, Verz. 52, 1839; Reeve, Conch. Syst. 
ii. 90, 1842 ; Jay's Catal. 251, 1850. 
Pseudobranchiata, or Teleogeophila, Hartmann, Syst. 1840. 
Pneumobranchiata operculata, Gray, Syn. B. M. 1840; in Turton, 
Man. 273, 1840. 
Pulmonata operculata (part), Zroschel, in Wiegm. Arch. 1845, 210. 
Cyclostomidee, Tvroschel, in Wiegm. Arch. 1845, 210. 
Autrobranchia, Leach, Brit. Moll. 202 (1820), 1852. 
Pectinibranchiata dioica, D’Orbigny, Moll. Cuba, i. 199, 236. 
Pueumonopoma, or Pneumopoma, are Mollusca, which live on 
the land and breathe the external air by lung-like organs, and 
which are provided with an organic operculum, which is affixed 
to the foot of the animal and closes the shell, when the animal 
has retracted itself. 
B 
