GElNliUA ET SUBGENEllA. 551 



Planupira Book ind. p. 29. — Subgeiius Helicis e .soctiono rofle.xilahrium , ex 



lyi)is Hel. excepliunculae , zonaiiae , bigoniae. 

 Plaltjdoskr van Hasselt. — Genus non designatuni, a Beciv (ind. p. 2.) cuin 



dubio inter synonyma Helicopsis lelalum. 

 PlecochUus Agass. Noin. zool. et Herrin. ind. 11. p. 289: vid. Plekoclieilus. 

 Plectostijius Beck ind. p. 58. — Subgenus Buliiui e sectione tenuilabrium ex 



typis Bul. peruviani , coquimbensis , cactivori. 

 Plekocheilus Guilding in Zool. Journ. lil. p. 532. — Genus Pupadaruni, auctori 



antea Caprella , ex typo Bul. auris Sileni Born. 

 Pleocheilus M. E. Gray fig. nioU. anim. t. 74. vid. Plekoclieilus. 

 Pleurodonla Fischer Mus. Demid. 111. — Genus pro Hel. lyclinucho ol sinuata 



Mull. constitutum, a Gray (Syn. Br. Mus.) inler genera Helicidaruni sect. 



f. enumeratum, Beckio (ind. p. 33.) subgenus Helicis e sectione redexi- 



labriuni. 

 Pticadomus Swainson Mal. p. 332. — Subgenus Pupae ex lypo Pupae sulca- 



tae Mull. 

 Plicaphora Hartniann Erd- u. Sussvv. Gast. I. p. 216. — Subgenus Clausiliae 



ex typo Cl. plicatulae. 

 Plicaria Hartmann syst. Ub. — Subgenus Helicis ex typo non designalo. 

 Poliyyra Say vid. Polygyra. 

 Polita Held in Isis p. 916. — Genus Helicum ex typis Hel. cellariae, cryslal- 



linae, fulvae etc. 

 Pohjdontes Montfort Conch. syst. II. p. 154. — Novum genus pro Hel. impe- 



ratore Mtf. constitutum, a Gray (Syn. Br. Mus.) inter genera Helicidarum 



sect. f. enumeralum, a Beck (ind. p. 32.) inter subgenera Helicis e sec- 



tione reflexilabrium , a Swainson (Malac. p. 329.) inter subgenera Lu- 



cernellae adoplalum. 

 PoliHjyra Say in Nichols. Enc. — Genus Gasteropodum terrestrium ex typo 



Hel. septemvolvae ot avarae Say, simili sensu a Lea (obs. II.) adoptalum, 



aBeck (ind. p. 23.) sensu strictiore inter subgenora Helicis e sectione 



planilabrium , a Swainson (Mal. p. 330.) inter subgenera Lucernellae 



adoptatum. 

 Polijmila Beck ind. p. 44. — Subgenus Helicis e sectione crassilabriuin ex 



typis Hel. piclae Born et carnicoloris Fer. 

 Polyphemus Montfort Conch. syst. II. p. 415. — Genus pro Bulla voluta 



Chemn. instilutum, a Gray (Syn. Br. Mus.) inter genera Helicidarum sect. 



h. adoptatum, Gharpentiero (cat. inoll. Suiss. p. 13.) subgenus Bulimi. 

 = Achatina §. 8 — 12. 

 Polyphcmus Villa disp. sysl. p. 19. — Genus Conchyliorum terrestrium prae- 



ter Polyphemos Montf. etiam Ach. aciculam continens. 

 Pomalia Gesner, Bollen, Leach moll. p. 89 teste Gray. — Genus pro Hel. 



pomatia Linn. institutum, inter subgenera Helicis a Beck (ind. p. 43. in 



sectione crassilabrium) el Gray (Man. p. 135.) adoptatum. 

 Proserpiiia Guilding? Gray? Vid. Monogr. I. Introd. pag. XVUI. 

 Proteusia Hartmann syst. Ubers. — Subgenus Helicis ex typo non indicato. 

 Psilochylus Agass. Nom. — Gcnus Pulmonatorum mihi ignotum. 

 Ptipa Humphrey Mus. Calonn. vid. Fer. prodr. p. 78. — Genus Heliceoium (?) 



typis incognitis. 

 Pupa Draparnaud. Vid. Monogr. I. Introd. pag. XXII. 

 Pupa Cuvier rfegne animal II. p. 407. — Subgenus Helicis, a Draparnaudiano 



einisso Chondro dilTerens, a Studer in subgeneribus Glischri adoptatum 

 Pupa Charpentier cat. moll. Suisse p. 15. — Genus molluscorum terreslrium 



cujus subgenera sunt: Eucore , Sphyradium, Chondrus. 

 P«/ja Beck ind. p. 81. — Genus Bulimidorum. Subgenora : Gibbulina, Pupa, 



Urocoptis, Pupilla, Vertigo, Alaea, Torquilla, Chondrula, Cyclodonlina, 



Pyrgelix , Brachypodella. 



