GENERA ET SUBGENERA. 549 



Helice separalum ex lypo Hel. lliyroldae Say , Beckio (iiul. p. 22.) sub- 



divisio Tridopsis. 

 Mesomphix Rafinesque in Jourii. de phys. tom. SS. p. 423. — Genus ab He- 



lice disjunclum ex lypo Hel. laevigatae Rafm. , a Beciv iuter subgenera 



Helicis, e seclione lenuilabrium adoptatum. 

 Mesomphijx Gray Syn. Br. Mus. 1842. p. 90. — Genus Helicidaruui sect. f., 



typo non indicato. An idom ac praecedens? 

 Microctjstis Beck ind. p. 2. — Subgenus Naninae, ex typis novis. 

 Monacha Filzinger syst. Ubers. p. 93. — Genns Helicoideorum ex typo Hel. 



sericeae, incarnatae et carthusianellae , ab Hartmann (sysl. tJbers.) inter 



subgenera Helicis adoptalum. 



JVanina Gray in Proc. Zool. Soc. 1834. p. 38. — Genus ab Helice sejunctum 

 ex typo Hel. citrinae L. , a Benson (Zool. Journ. V. p. 438.) et L. Pfeif- 

 fer (Symb. L p. 3. IL p. 4.) in Heliceis adoptalum, Beckio (ind. p. 2.) 

 genus Vilrinidorum in subgenera : Naninam , Microcystem et Ariophantam 

 divi-sum. 



Navicula Spix test. bras. t. i3. — Genus pro Bul. navicula Wagn. constitutum, 

 a Villa (disp. syst. p. IS.) adoptatum. 



Notoplycha Agassiz Nom. zool. (noc in Charp. cal. 1837.) Conf. Herrm. ind. IL 

 p. 124. — Genus Pulmonatorum? An huc referendum? 



Obba Beck ind. p. 30. — Subgenus Helicis e sectione reflexilabrium cx typo 



Hel. planulatae Lam. el mammillae F6r. 

 Obeliscus Beck ind. p. 61. — Subgenus Bulimi e sectione tenuilabrium , ex 



typis Bul. obtusati, decollati et Goodallii. 

 Obelus Hartmann Erd- u. Sussw. Gast. I. p. 138. — Subgenus Helicis ex 



typis Hel. polymorphae, Despreauxii. etc. 

 Ochthephila B eck ind. p. 17. — Subgenus Helicis e sectione intusmarginatarum, 



ex typis Hel. bicarinatae Sow., polymorphae , pauperculae. 

 Odomphium Rafinesque enum. ■1831. teste Agass. Nom. — Genus Helicida- 



rum milii incognitum. 

 Odontomphalum Agassiz Nom. zool. ind. univ. vid. Odomphium. 

 Odonlostoma Orbigny moll. cub. I. p. 237. — Genus Cyclostomidarum , a L. 



Pfeiffer (Monogr. I. p. II.) inler Holicea adoptatmi]. 

 = Proserpina. 

 Odontoslomus Beck ind. p. 34. — Subgenus Bulimi e soctione tenuilabrium, 



ex typis Bul. odontostomi, bahiensis, exesi. 

 OdoiUostylus Gray Syn. Brit. Mus. 1840 et 1842. p. 90. — Genus Helicidarum 



sect. f. , ex lypo non indicato. 

 OdoiUotropis Agassiz Nom. Zooi. iuil. univ. vid. Odotropis. 

 Odotropis Rafinesquc in Journ. de phys. tom. 88. p. 423. — Genus ab Holice 



separatum, aFerussac (labl, p. XXXIl.) inler synonyma Helicodonlae 



enumeratum. Typus non indicatus. 

 Omalonyx Orbigny voy. Amer. Zool. p. 230. — Novum genus a Succinea se- 



paratum, ex typo Hel. uuguis Fer. , a Gray (Syn. Br. Mus. 1842. p. 90.) 



inler genera Helicidarum sect. c. enumeratuni. 

 =: Succinea. 

 Omphalina Rafiuesque enum. teste Fer. in Bull. zooi. 1833. p. 93. — Genus 



Helicidarum ex typo non designato. 

 Om/j/w/o/i/oce Agassiz Nom. zool. (nec in Gharp. cat. 1837.) Conf. llu r r ui 



ind. II. p. 146. — Genus Pulmonatorum. An Iiuc referendum? 

 Ophidermis Agassiz olim vid. soq. 

 Ophiodermis Agassiz Nom. zool. Ind. un. — Genus Pulmonatorum. {= Sola- 



ropsis Beck? Herrm. ind. II. p. 153.) 



