550 GENERA ET SUBGENERA. 



Orbiiina Risso hisl. IV. p. 82. — Genus Helicidarum male consUtutum pro 



pullis Bulimi decollati. 

 Orcula Held in [sis 1837. p. 919. — Genus Puparura ex typo Pupae doiii 



Drap. 

 Orlhalicus Beck ind. p. 59. — Subgenus Bulimi e sectione tenuilabrium , c< 



typis Bul. zebrae Miill. et gaiiinaesultanae Ciiemn. et Achatinae reginao 



Fer. , adoptatum a Troschel pro Bui. galHnasuUana. 

 OrihosUjlus Beciv ind. p. 49. — Subgenus Bulimi e sectione crassilabrium e.% 



typis Hel. viridis, metaformis, sarcinosae, Bulimi ventricosi, perversi eJ 



aliis. 

 Otala Schumacher essai p. 191. — Genus ex typis diversissimis, nempe 



Hei. haemastomae, lacteae et Pupae sulcatae male conflatum. 

 Olala Beck ind. p. 35. — Subgenus Helicis e sectione crassilabrium ex typis 



Hel. auricomae , limae, plicatulae, Adansoni etc. 

 Olostomus Beck ind. p. 55. — Subgenus Bulimi e seclione lenuilabrium, ex 



typis Bul. signati el auris leporis. 

 Oxychilus Fitziuger syst. Verz. p. 100. — Genus Helicoideorum ex typis Hel. 



cellariae et ericetorum. 

 Oxylopha Hartmann syst. Ubers- — Subgenus Helicis ex lypo non indicato. 

 Oxynola Hartmann syst. tJbers. — Subgenus Helicis ex typo non designato. 



Pacherium Agassiz Nom. zool. (nec in Charp. cat. 1837.) Conf. Herrm. 



ind. II. p. 185. — Genus Pulmonalorum. An huc refereudum? 

 Pachyola Agassiz Nom. zool. (nec in Charp. cat. 1837.) Conf. Herrm. ind. II. 



p. 187. — Genus Pulmonatorum. An idem ac sequens? 

 Pachyotus Be ck ind. p. 56. — Subgenus Bulimi e sectione crassilabrium e typis 



Bul. bilabiati , melanostoml , iostomi. 

 Pagoda Agasslz Nom. zool. (nec in Charp. cat. 1837.) Conf. Herrm. ind. 11. 



p. 189. — Genus Pulmonatorum. An huc referendum? 

 Papillifera Hartmann Erd- u. Sussw. Gast. I. p. 156. — Subgenus Clausiliae 



ex typo Claus. bidentis L. 

 Partula F6russac prodr. p. 65. — Genus Cochlearum a Bulimo separalum 



ex typis Bul. pudici Mull. el fabae Mart. , a Broderip. Sowerby, 



Lesson, Reeveetaliis pro speciebus Bul. fabae affinibus adoptatum, 



apud Blainville (Dict. sc. nat. tom. 32. p. 251.) subgenus Puppae, apud 



Anton (Verz. p. 40.) subgenus Bulimi. 

 Partulus Beck ind. p. 57. — Subgenus Bulimi e sectione crassilabrium, emissis 



alienis species Bul. fabae affines modo complectens. 

 Patula Held in Isis 1837. p. 916. — Genus Helicum ex typis Hel. rotundatae, 



pygmaeae , rupeslris. 

 Pectella Gray Syn. Brit. Mus. p. 90. — Genus Helicidarum sect. c. ex typo non 



indicato. An polius ad Limacea referendum ? 

 Pegea Risso hist. IV. p. 88. — Genus Helicidarum dubium, ad Achalinas forte 



referendum? 

 Pelekocheilus Beck ind. p. 54. — Subgenus Bulimi e sectione crassilabrium ex 



lypis Bul. angulati Wagu. et distorti Chemn. 

 Pelta Beck ind. p. 100. — Subgenus Succineae ex typo novo. 



= Succinea? 

 Peristoma Krynicki in Bull. Mosc. VI. p. 421. — Genus novum a Bulimo 



disjunctum. 

 Petasia Beckind. p. 21. — Subgenus Helicis e sectione planilabrium , ex typis 



Hel. Irochiformis Mont., leucozonae et bidenlis Chemn. 

 Pitys Beck ind. p. 9. — Subgenus Helicis e sectione tenuilabrium , ex typo 



novo mihi incognito. 

 Placostylus Beck ind. p. 57. — Subgenus Bulimi e sectione crassilabrium, ex 



typo Bul. fibrati Mart. 



