470 MELVILL: THE PRINCIPLES OF NOMENCLATURE, 
Cyprza Z., 1758. 
Porcellana Ramph.. 1705, A?., 1753. 
Amphiperas Groz., 1781. 
Semiporcellana Da Costa, 1776. 
Ovula Brug., 1789. 
Ovulus AZ7/t., 1810. 
Ultimus 47¢/¢., 1810 
Cyphoma Bolten, 1798. 
Binovoluta Schlzz., 1837. 
Carinea Szw7., 1840. 
Radius J//7., 1810. 
Volva Bolten, 1798. 
Rhizorus J7//t., 1810, Quid ? 
Birostra Szv7z., 1840. 
Simnia /7sso, 1826. 
Scymnia Leach, MSS. 
Calpurna Fleming, 1828. 
Volvaria Zamk., 1801. 
Hyalina Schum. (non Gray), 1817. 
Volvarius JZ¢/t., 1810. 
Cadium Zzzz, 1807. 
Malea Val., 1833. 
Ficula Swz., 1835. 
Pyrula Lamk., in pte., 1799. 
Ficus Rouss., 1846. 
Sycotypus H & A. Ad., 1853 
(non 4rowze). 
Polynices J//7., 1810. 
Mamma Avez2, 1753. 
Uber Aumph., 1797. 
Albula Bolten, 1798. 
Mamilla Schzm., 1817. 
Ruma Chev. 
Naticina (Guz/d.) Swi., 1840. 
Naticaria Szw7z., 1840. 
Euspira Desor & Agassiz, 1837. 
Ampullina Zams., 1821, Desh., 1830 
(non Faujus S. Fond, 1803). 
Cernina Gray, 1840. 
Sigaretus Zamk., 1801. 
Catinus A7Zez, 1753. 
Stomatia P. Browzze, 1756. 
Sigaret Adanson, 1757. 
Cryptostoma Blaznzv., 1818. 
Lamellaria J/onz., 1815. 
Marsenia Leach, 1847. 
Coriocella Blaznv., 1824. 
Cryptothyra 77he., 1850. 
Eulima 2/sso, 1826. 
Melanella Bowdzch, 1822, non Swz., 
1840, nec Zorg. (Polygastrina) 1824 
Scalaria Zamk., 1801, Lzzk, 1807. 
Scala A/ein, 1753. 
Cyclostoma Zamk., 1799 (non. ident. 
auct. subseq. ). 
Scalarus A7/tft., 1810. 
*Odostomia /Vem., 1810-28. 
Odontostoma 7777.. 1829 (non D’ 070., 
1841). 
Odontostomia Jeffr., 1837. 
Turbonilla Zeach, 1826 (Rzsso). 
Chemnitzia D’O7d., 1839. 
Pyrgiscus Phil., 1841. 
Pyrgulina 2. and A. Ad., 1863. 
Noemia de Folin, 1870. 
Parthenina Bacg., Dauts. & Dollf., 
1883. 
Parthenia Zozve, in pte., 1840. 
Morio J7¢/2., 1810. 
tGaleodea £22k, 1807 (n. preeocc. ). 
Echinora Schu., 1817. 
Cassidaria L77k, 1824. 
Lambidium Zz, 1807. 
Hystrix H2p., 1797. 
+Morum Bolten, 1798. 
Oniscia Sowéd., 1824. 
Solarium Zamk., 1799. 
Architectonica Bo/ten, 1798. 
Heliacus D’O7é., 1842. 
Torinia Gray, 1840 (in syn. Solarii). 
+Homalaxis Desh., 1830. 
Omalaxis Desh., 1830. 
Bifrontia Desh., 1832. 
Discohelix Duzk., 1847. 
Pterocera Zamk., 1799. 
Harpago £7ez72, 1753. 
Pteroceras A7/¢t/t., 1810. 
Pteroceras Lamk., 1825. 
Rostellaria Zazk., 1799. 
Gladius A7/eim, 1753. 
Rostellum AZ@ft., 1810. 
*T have failed to find the first edition of Sir David Brewster's Edinburgh Cyclo- 
pzedia, in which the original description by Fleming occurs. 
t Edgar A. Smith, Notes upon the generic terms Cass7daria and Oniscza, Journ. 
Mal., vol. iv., no. 1, March, 1895. 
7 opados being aspirated, Homalaxis must be taken as the correct term. 
J.C., viii., Oct. 1897. 
