Reference List of South African Non-marine Mollusca. 151 
1887 Helix (Dorcasia) bulbus, Pfr., Tryon, Man. of Conch. iii. p. 213. 
pl. 49, £.10-12. D.F. 
Type —wbi ? 
Hab. Carr or Goop Hops (in coll. Menke). 
284. DorcasIA CERNUA (von Martens). 
1889 Helix cernua, von Mts., Sitz.-Ber. Ges. Nat. Fr. Berlin, p.161. D. 
1894 3 ae Conch. Mitth. iii, 3. p.2. D. 
1897 ‘3 - Archiv. f. Naturg. lxiii, 1. p. 36. pl. 7, £. 8— 
LO: DRE, 
1910 Helix (Dorcasia) cernua, von Mts., Bttg., Abh. Senckenb. Naturf. 
Ges. Frankfurt, xxxii. p. 489. ND. 
Type in Zool. Mus. Berlin. 
Hab, Great Namatanp. Angamthal (type) and Rooiberg, near 
Bethany (Schenck, 1884). Guibes (Schultze). 
285. Dorcasra Lucana (Miiller). [S.A.M.] 
1774 Helix lucana, Mill., Verm. ii. p. 75. D. 
LTSGr . i ,, Chem., Conch. Cab. ix, 2. p. 124. pl. 180, 
f. 1155. D.F. (pessima). 
1788 ,, lucena »  Gmel., Syst. Nat., Ed. 13. i, 6. p. 3636. D. 
1817 =~, —s- lucana »  Dillw., Deser. Cat. ii. p. 924. D. 
1339" °%.,, - » Jonas, Archiv. f. Naturg. v, 1. p. 338. pl. 9, 
EFLC2. eben 
1848 __,, i wi cete Mon,iHeliing 33k. Dd; 
H850" . =; 3 46 », Conch. Cab. p. 338. pl.60, f.1,2. DF. 
_ ¥ as »  Desh., Hist. Nat. Moll. i. p. 166. pl. 10 B, 
{.3-5. D.F. 
is 5) ae ” 5,  Rve., Conch. Icon. pl. 4], £187... Dim. 
IS5G; 05; 55 | Bs. AMEN: A, xviii. p./436.. N. 
1887 ,, (Dorcasia) lucana, Miill., Tryon, Man. of Conch. iii. 
pe 218. pl 49; £2. Dur, 
Original in University Zool. Mus. Copenhagen. 
Hab, Care or Goop Horr. George District; Bredasdorp ; 
Mossel Bay (Layard). Montagu (Connolly). Avontuur (fide Pfr.). 
Care Peninsuxa. Distributed along the coast south of Kalk Bay 
and Hout Bay. 
Layard wrote: ‘‘ This species is found chiefly along the southern 
seaboard. The brown variety with white band along the suture is 
found pretty abundantly about Kalk Bay. A smaller var. with a 
brownish purple mouth is found in the George District; a small var. 
