182 



518. ?Lituus, Marty a, 1/84 ; Humph. 1797; not Breyn. 1732. L. 

 brevia. 



519. Cyclophorus, Montf. 1810. Cyclophora, Swains. 1840. An- 

 nularia a, Schum. 1817. 



520. Cyclotus, Guild., Swains. 1840. Cycl. planorbutus. 



521. Myxostoma, Troschel, 1847. Cyc. Petiverianus. 



522. Pterocyclos, Benson, 1835. Spiraculum, Pearson, 1835. Pt. 

 bilabiatus. 



523. Farcimen, Troschel, 1847. Cycl. Torta. 



524. Megalomastoma, Guild., Swains. 1840. Cyclos. flavulum. 



525. Realia, Gray, 1840. R. ? n. s. 



526. Callia, Gray, 1840 ; 1844, 72. C. ? n. s. 



527. Pupina, Vignard, 1829? ; Gray, 1844. Pupina Keraudrenii. 

 Moulinsia, Grateloup, 1840. Pupina, sp. G. Sow. 1841. M. 



Nunezii. 



528. Registoma, Hasselt, 1824. Reg. vitreum. 



529. Pomatias, Hartm. 1821. Cyclostoma, sp. Lam. Cy. patula. 



530. ? Ferussina, Grateloup, 1826. Ferussacia, Lefroy, 1828; not 



ffi'iso, 1826. Stropbostoma, DesA. 1827. Anastoma, sp. ? 



F. anastomaeformis. 



Fam. XI. OLIGYRADiE. 



531. Oligyra, Say, 183 ? Helicina /3, 5fofflp. 1825. O. orbiculata. 

 Helicina, Lam. 1822 (not 1801) ; not Montf. Hel. neritella. 

 Pachystoma, Swains. 1840. P. occidentalis. 



Trochatella, Swains. 1840. H. pulchella. 

 Ampullina, Blainv. 1825. A. striata. 

 Oligyra, Swains. 1840. H. rhodostoma. 



532. Lucidella, Swains. 1840. H. aureola. 

 Helix, sp. Fe'rus. Helicina, sp. Gray. 



533. Alcadia, Gray, 1840. Helicina, Swains. 1840. H. major. 



Fam. XII. PROSERPINIM. 



534. Proserpina, Gray, 1840 (Procerpena misprint). Odontostoma, 

 UOrb. 1842. P. linguifera. 



