150 Annals of the South African Museum. 
1895 Dorcasia alexandri, Gray, Pilsb., Man. of Conch. ix. p. 172. 
pl. 60, £.6. &. Frontisp.f.3. A. 
1905 3 »  Pilsb., Proc, Mal. Soe. vi. p.286. N. 
1910 Helix (Dorcasia) alexanderi, Gray, Bttg., Abh. Senckenb. 
Naturf. Ges. Frankfurt, xxxii. p. 4389. N. 
Type in British Museum. 
Hab. Great Namauanp. Near the Great Fish River (Alexander). 
DAMARALAND. Ussab (fide von Martens). ‘ Kurikaubmund am 
Swakop (Kurikop bei Otjikango) ’’ (Rintelen). 
Lirrtne NamauanpD. Henkries (Lightfoot). 
var. MINOR, Bottger. 
1886 Helix (Dorcasia) alexandri, Pfr., var. nuinor, Bttg., Ber. Senc- 
kenb. Naturf. Ges. Frankfurt, p. 22. pl. 2,f.1. DF. 
1893 Dorcasia alexandri, Gray, var. nunor, Bttg., Pilsb., Man. of 
Conch, viii. p. 261. pl. 28, f. 98-100. DF. 
Type in Senckenberg Museum, Frankfurt. 
Hab. British BecHUANALAND. ‘“‘Ghous, Gordonia, bed of Hygap, 
probably W. of Zwart Modder ’”’ (Nolte). 
Great NAMALAND. Geitsi-Gubel, near Bersaba (Schenck). 
var. ROTUNDATA, Mousson. 
1887 Helix alexandri, Gray, var. rotundata, Mouss., J. de C. xxxv. 
20 2n Ole A De altel 
1893 Dorcasia alexandri, Gray, var. rotundata, Mouss., Pilsb., Man. 
of Conch. viii. p. 261. D. 
1895 Dorcasia alexandri, Gray, var. rotundata, Mouss., Pilsb., Man. 
of Conch.:ix, p. £72: pl. 38,71: 6, 1. Nae 
Type in Zurich Museum. 
Hab. Damarauand. Rehoboth (Schinz). 
var. TRIVIA, Bottger. 
1910 Helix (Dorcasia) alexandert, Gray, var. trivia, Bttg., Abh. Senc- 
kenb. Naturf. Ges. Frankfurt, xxxii. p. 439. pl. 28, £.3. DF. 
Type in Senckenberg Museum, Frankfurt. 
Hab. Damaratanpd. Khomas-Hochland (Schultze). 
283. Dorcasia BULBUS (Menke). 
1848 Helix bulbus, Mke., Pfr., Zeitschr. f. Malak. v. p. 116. D. 
1853 # 5 », Conch. Cab. p. 268. pl. 122 (1852), 
f. 4-6. .D.F. 
