Südafrikanische Mollusken. 587 



189. Dorcasia cernua (Marls. ^. 



1889. Helix ceniiia v. .\Iartens, Sitzungsbcr. Ges. nat. Fr. Berlin, p. 161. 



1892. Dorcasia cerniia V. Wartens, Try on-Pil sbry , Man. of Conch. (2. ser.), vol. VIII, p. 263. 

 1894. ... , Man. of Conch. (2. ser.), v.jI. IX, p. 173. 



1897. Helix cernua v. .Martens, Arch. f. Naturg., 63. Jahrg., Bd. I, p. 36, t. 7, f. 8—10. 



Angamthai, Gross-Namaland; eine kleinere Varietät in Rooiberg (Roterberg) bei Bethanien, Gross-Nama- 

 land (auf Sandsteinfelsen im ,'\ngam-Thale). 



190. Dorcasia alexandri Gr. 



Dorcasia Alexandri Gray in .Mus. Brit. 



1848. Helix Alexandri Gray, (^Dorcasia), Pfeiffer, Monogr. Helic. I, p. 332. 

 1854. > > ' Reeve, Conch. Icon. (//«/;>), f. 1470. 



1881. . » - ('Dorras/a;, Pfeiffer, Nomencl. Helic. viv., p. 186. 



1887. . . . . Mo usson, Journ. de Conch. XXXV, p. 292. 



1887. . ^ - » • Tryon, .Man. of Conch. (2. ser.), vol. III, p. 213, pl. 49, f. 3. 



1889. > > • V. Martens, Sitzungsber. Ges. nat. Fr. Berlin, p. 161. 



1894. Dorcasia Alexandri Gray, Tryon-Pilsbry, Man. of Conch. (2. ser.), vol. IX, p. 173. 

 1897. . > »V. .Martens, Arch. f. .Vaturg., 63. Jahrg., Bd. I, p. 39. 



Geitsi-Gubel (Gross Broekkaron) bei Bersaba, Gross-Namaland; Damara-Land. 



var. minor CBttg.). 



1886. Helix Alexandri Gray, var. minor Böttger, Ber. d. Senckenb. nat. Ges., p. 22, T. 2, F. 1. 



1892. Dorcasia alexattdri Gray , var. minor Böttger, Tryon -Pil sbry , .Man. of Conch. (2. ser.), vol. VIII, p. 261, pl. 28, f. 98-100. 

 1894. » > ... . Tryon-Pilsbry, Man of Conch. (2. ser.), vol. IX, p. 173. 



!897. . .... V. Martens, .^rch. f. Naturg., 63. Jahrg., Bd. I, p. 39. 



Geitsi-Gubel bei Berseba; südl. Theil von Kalahari. 



var. rotundata (Mss.). 



1887. Helix alexandri Gray, var. roliindala Mousson, Journ. de Conch., p. 292. 



1892. Dorcasia alexandri Gray, var. rotundata Mousson, Tryon-Pilsbry, .Man. of Conch. (2. ser)., vol. VIII, p. 261. 

 1894. .....> . Man. of Conch. (2. ser.), vol. IX, p. 173. 



1897. . .... > V. .Martens, Arch. f Naturg., 63. Jahrg., Bd. I, p. 39. 



Kehoboth, Nord-Great-Namaland. 



191. Dorcasia bulbus ("Mke.). 



Helix bulbus Menke mss., 



1848. . . . Pfeiffer, Zeitschr. f. .Malak. p. 116. 



1846-1853. . . . Conch. Cab. -Mart. Chemn. I, 12, p. 268, N. 747, t. 122, f. 4-6. 



1853. . > » Pfeiffer, Monogr. Helic. III, p. 153. 



1881. . > • ('Z)or<:aJM;, Pfeiffer, Nomencl. Helic. viv., p. 187. 



1887. ... . Tryon, Man. of Conch. (2. ser.), vol. HI, p. 213, pl. 49, f. 10-12. 



1894. Dorcasia > - Tryon- Pilsbry, Man. of Conch. (2. ser.), vol. IX, P- 173. 



Kap der guten Hoffnung. 



Untergatt. Tulbaghinia .Melv. Pnsby. 

 192. Dorcasia (Tulbaghinia; isomerioides Melv. Pnsby. 



1898. Dorcasia (Tulbaghiniaj isomerioides Melvill & Ponsonby, Ann. & Mag. Nat. Hist. (7. ser.), vol. I, p. 28, pl. VIII, f. 10. 



VVinterhock Mountains, Tulbagh District. 



