360 ACHATINID^ 



1890. Opcas asccndcns, Poey : Crosse, Journ. de Conchy!., 



Ser. Ill, torn, sxx, p. 246. 

 1895. Opens GoodaUii, Miller : Smith, Proc. Malac. Soc. Lond., 



i, p. 308. 

 1910. Opens pumilum (Pfr.) : Pilsbry, Nautilus, xxiv, p. 31. 



Described under the name of Helix GoodaUii by J. S. 

 Miller {Ann. Phil., N.S. iii. May, 1822, p. 31) from 

 specimens in hot-houses near Bristol. 



Said to have been previously discovered by a Mr. Drum- 

 mond (teste J. E. Daniels, Journ. of Conch., i, p. 246). 



Genus : 4. RUMINA, Risso. 



Etym. : — Named after the Roman goddess Rumina. 



Type : — Helix decollnta, Linne. 



(Helix, Bulimus, Stenogyra, vett. auctt.) 



1826. Rumina : Risso, Hist. Nnt. Europ. merid., iv, p. 79. 

 1826. Orhitina : Risso, t. c, p. 82. [Young specimen.] 

 1830. Cochliclona, Ziegl., subg. 9 of Helix : Jan, Conspect. 

 Method. Test., p. 5. 



1837. Oheliscus, subg. 14 of Bulimus : Beck, Index Moll., p. 61. 



1838. Cylindrina : Schluter, Kurz. Syst. Verzeichn. Conch., 



p. 7. 

 18.54. Stenogyra [pars] : Shuttleworth, Mitthl. Naturf. Gesell. 



Bern, 1854, p. 45. 

 1855. Sira : A. W. F. Schmidt, Ahhandl. Naturiv. Ver. f. 



Snchscn, i, no. 1, p. 42. 



1. Rumina decollata (Linne). 



Etym. : — Lat. dccollatus, decaj^itated. 



1758. Helix decollata : Linn.^us, St/sI. Nnt., ed. 10, p. 773, 



no. 608. 

 1767. Helix decollata : Linnaeus, o. c, ed. 12, p. 1247, no. 695. 

 1774. Helix decollata : Mijller, Verin. Hist., ii, p. 114. 

 1789. Bulimus decollatus : Bruguiere, Ency. Method., Vers, i, 



p. 326. 

 1791. Helix decollata: Gmelin, in Linn. Syst. Nat., ed. 13, 



i, pt. 6, p. 3651, no: 115. 

 1801. Bulimus decollatus: Draparnaud, Tnhl. Moll. France, 



p. 66. 

 1805. Bulimus decollatus : Draparnaud, Hist. Moll. France, 



p. 76, pi. iv, f. 27 & 28. 

 1817. Helix decollata, Linn. : Dillwyn, Cat. Shells, ii, p. 947. 

 , r>9i r Helix (Cochlicella) decollata, Linne : Ferussac, Tabl. 

 -r "^ '- syst. Limacons, Jan. ed., p. 56 (June ed., 



"^''''- [ p. 52). 



1821. Bulimus decollatus : Hartmann, Neue Alpina, i, p. 223. 



