— 310 — 



Pneiimodermon Cuv. contin. 



Van Beneden 1839. Exerc. zoot. I. p. 41. * > Isis 



1843. p. 634. 

 D'Orb. 1841. Moll. Cuh. I. p. 70. — genus Pneu- 

 modermidarum. 



Pariter Gray 1842. Syn. Brit. Mus. p. 92. 

 Synon. Pneumodenna Peron et Les Gray. Blainv. 

 Aegle Oken. 

 Pneumodermis Oken. 

 Eglaea Desh. 

 Pnenmodermiim Verany vid. praec. 

 Pneumenea Hartm. oUm 1 82 1 . Sturms Fauna. VI. Heft 5. p. 33. 

 Etym. Tirev/iKov, pulmo. 



Primus ordo Gasteropodum. Divisiones: Teleogeo- 

 phila, Geophila, Limnophila. 

 = Pulmonata Cuv. 

 Pneumoneata Hartm. 1840. Syst. Uebers. 



Secundus ordo Gasteropodum. Familiae; Geophila, 

 Limnophila. 

 = Pulmonata Cuv. 

 Pneumonica Verloren 1836. Organorum generationis 

 structura in Gasterop. pneumon. * 

 Efym. Tivevfioviyos , pulmoneus. 

 = Pulmonata Cuv. 

 Pneumonobrancliia Gray 1821. Lond. Med. Rep. * Cf. 

 Desh. Enc. meth. III. p. 802. 

 Etym. TivEv/iuov, pulmo; ^Qayyja, branchiae. 

 Prima subclassis Gasteropodophororum. Ordines: 



Adelopneumona , Phaneropneumona. 

 Gray 1840. Turt. Man. ed. 2a p. 77. — Pneumo- 

 branchiata — et 1840. Syn. Br. Mus. * — 

 Pneumobranchia — quinta classis Gasteropo- 

 dum, divisa in: 



1) inoperculata. 



a) terrestria. Familiae: Arionidae, Helicidae. 



b) aquatica. Familiae: Auriculidae, Limnaeidae. 



2) operculata. Familia: Cyclostomidae. 



i 



