550 GENERA ET SUBGENERA. 



Orbilina Risso hist. IV. p. 82. — Genus Helicidarum male conslitutura pro 



pullis Bulinii decollati. 

 Orcuhi Held in Isis 1837. p. 919. — Genus Puparum ex typo Pupae dolii 



Drap. 

 Orthalicus Beck ind. p. 59. — Subgenus Bulimi e sectione tenuilabrium , e 



typis Bul. zebrae Miili. et gallinaesultanae Chemn. et Achatinae reginae 



Fer. , adoptatum a Troschel pro Bul. galiinasuhana. 

 Orlhostijlus Beck ind. p. 49. — Subgenus Buhmi e sectione crassilabrium ex 



typis Hel. viridis, metaformis, sarcinosae, Buhmi ventricosi, perversi et 



ahis. 

 Olala Schumacher essai p. 191. — Genus ex typis diversissimis, nempc 



Hel. haemaslomae, lacteae et Pupae sulcalae male conflatum. 

 Olala Beck iud. p. 35. — Subgenus Hehcis e sectione crassilabrinm ex typis 



Hel. auricomae , limae, plicatuiae, Adansoni etc. 

 Olostomus Beck ind. p. 55. — Subgenus Bulimi e sectione tenuilabrium , ex 



typis Bul. signati el auris leporis. 

 Oxychilus Fitzinger syst. Verz. p. 100. — Genus Helicoideorum ex lypis Hel. 



cellariae et ericetorum. 

 Oxylopha Hartmann syst. tJbers. — Subgenus Helicis ex typo non indicato. 

 Oxynota Hartmann syst. IJbers. — Subgenus Helicis ex typo non desiguato. 



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



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

 Pachyota Agassiz Nom. zool. (nec in Charp. cat. 1837.) Conf. Herrm. ind. 11. 



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

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



Bul. bilabiati , melanostomi , iostomi. 

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



p. 189. — Geims Pulmonalorum. An huc referendum? 

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



ex typo Claus. bidenlis L. 

 Parlula Ferussac prodr. p. 65. — Genus Cochlearum a Bulimo separatum 



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



Lesson, Reeveetaliis pro speciebus Bul. fabae affiuibus adoplatum, 



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. rotundalae, 



pygmaeae , rupestris. 

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



indicato. An potius ad Limacea referendum? 

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



referendum? 

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



lypis Bul. angulati Wagu. et distorti Chemn. 

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



= Succinea? 

 Peristoma Krynicki in BuII. Mosc. VI. p. 42t. — Genus novum a Bulimo 



disjunctum. 

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



Hel. trochiformis Mont., leucozonae et bidentis 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 , c.\ 



typo Bul. fibrati Mart. 



