116 Annals of the South African Museum. 
I have known South African examples display cannibal propen- 
sities, devouring other small species, even of Zonitoides and Polita, 
which were placed in their box. They were, however, no match for 
Natalina coenotera, which treated them in similar fashion. 
Susp-Famity ARIOPHANTIN A, Godwin-Austen, 1888. 
(Moll. of India, pt. 6, p. 253, as Arionphantinte, emend, Pilsbry, 1898, Nautilus, 
xi. p. 129.) 
Genus ZONITOIDES, Lehmann, 1862. 
(Mal. Blatt. ix. p. 111.) 
Type of Genus, Z. nitidus (Miill.). 
184, ZONITOIDES AFRICANUS, Bottger. 
1910 Zonitoides africanus, Bttg., Abh. Senckenb. Naturf. Ges. 
Frankfurt, xxxii, p. 436. pl. 28, f. 2. DF. 
Type in Senckenberg Museum, Frankfurt. 
Hab. DaAmarauandD. Gobabis (subfossil, Hermann). 
185. ZONITOIDES ARBOREUS (Say). [S.A.M.] 
1817 Helix arboreus, Say, Nicholson’s Encyclopedia, iv. pl.4, f. 4. DF. 
1821 ,, arborea ,, Feér., Tabl. Syst. Moll. pt.3. p. 45 (or 41). N. 
1840  ,, ottonis, Pfr., Archiv. f. Naturg., vi, 1. p. 251. D. 
1841 ,, arborea, Say, Binn., Boston Journ. Nat. Htst. iii. p. 422. 
pliaaa, fabs! Wu. 
1648 —;, 45 », (=ottoms), Pfr., Mon. Hel. i. p. 95. D. 
L3o2. yy ay , Pfr., Conch. Cab. p. 114. pl. 85 (1850), f. 33- 
30. DE, 
1866 Hyalina brewert, Newcomb, Tryon, Amer. Journ. of Conch. ii. 
p. 250. pl: 19) toa Peper, 
1885 Zonites arboreus, Say, Binn., Bull. U.S. Nat. Mus. xxviii. p. 61. 
D.F. and Synonymy. 
1886 Hyaliua (Polita) arborea, Say (= breweri, Newe.), Tryon, Man. 
of Conch. ii. p. 161. ply ol; f. 9-17. DF. 
Type—ubi ? 
Had. Carr or Goop Horr. Port Elizabeth (Layard). Grahams- 
town (Reeve). Kenilworth (Connolly). King Williamstown (God- 
frey). Queenstown (Becker). 
TRANSVAAL. Pretoria (Connolly). 
Narau. Pietermaritzburg (Ponsonby). 
