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. 



SUB-FAMILY AKIOPHANTIN^], Godwin-Austen, 1888. 



(Moll, of India, pt. 6, p. 253, as Arionphantinee, emend. Pilsbry, 1898, Nautilus, 



xi. p. 129.) 



GENUS ZONITOIDES, Lehmann, 1862. 

 (Mai. Bliitt. ix. p. 111.) 



Type of Genus, Z. nitidus (Mull.). 



184. ZONITOIDES AFRICANUS, Bottger. 



1910 Zonitoides africanus, Bttg., Abh. Senckenb. Naturf. Ges. 



Frankfurt, xxxii. p. 436. pi. 28, f. 2. D.F. 

 Type in Senckenberg Museum, Frankfurt. 

 Hab. DAMARALAND Gobabis (subfossil, Hermann). 



185. ZONITOIDES ARBOREUS (Say). [S.A.M.] 



1817 Helix arboreus, Say, Nicholson's Encyclopaedia, iv. pi. 4, f. 4. D.F. 

 1821 ,, arborca Fer., Tabl. Syst. Moll. pt. 3. p. 45 (or 41). .V. 



1840 ,, ottonis, Pfr., Archiv. f. Naturg., vi, 1. p. 251. D. 



1841 ,, arborea, Say, Binn., Boston Journ. Nat. Hist. iii. p. 422. 



pi. 22, f. 1. D.F. 



1848 ,, ( = ottonis), Pfr., Mon. Hel. i. p. 95. D. 



1852 Pfi-., Conch. Cab. p. 114. pi. 85 (1850), f. 33- 



35. D.F. 



1866 Hyalina breweri, Newcomb, Tryon, Amer. Journ. of Conch, ii. 

 p. 250. pi. 19, f. 27. D.F. 



1885 Zonites arboreus, Say, Binn., Bull. U.S. Nat. Mus. xxviii. p. 61. 



D.F. and Synonymy. 



1886 Hyalinia (Polita) arborea, Say ( = breweri, Newc.), Tryon, Man. 



of Conch, ii. p. 161. pi. 51, f. 9-17. D.F. 



Type ubi ? 



Hab. CAPE OF GOOD HOPE. Port Elizabeth (Layard). Grahams- 

 town (Eeeve). Kenilworth (Connolly). King Williamstown (God- 

 frey). Queenstown (Becker). 



TRANSVAAL. Pretoria (Connolly). 



NATAL. Pietermaritzburg (Ponsonby). 



