Reference List of South African Non-marine Mollusca, 225 
1893 Oncidiwm peront, Cuv. (=O. melanopnewmon, Bergh, and ton- 
ganum, Q. & G.), Plate, Zool. Jahrb. Jena, vii, 1. 
pia: pl. Lass Gor “Ore 
1910 He tonganum, Cunningham, Encycl. Brit. Lith Ed. xi. 
p- 020, 1,62, Ff. 
Type—uwhi ? 
Hab. Navan coast (Krauss). Congella, near Durban (Burnup). 
Lorenzo Marques. Inhambane (Peters). 
Carre Peninsuna. Green Point (Purcell). 
Described from Mauritius. 
473. ONCHIDIUM SAVIGNYI, Semper. 
1870 Onchidium savignyi, Semp., Reis. im Arch. Philippin. u, 3. 
p. 260. pl. 19, f. 6. pl. 20, f. 1. pl. 22, f.5-9. DFA. 
1903 Onchidium savignyt, Semp., Smith, Proc. Mal. Soc. v. p. 401. N. 
1910 ne »  Clige., Ann. Natal Mus. ii. p. 172. Ti 
Type—ubi ? 
Hab. .Natau. Scottburgh (Burnup). 
Genus ONCHIDELLA, Gray, 1850. 
(Fig. Moll. Anim. iv. p. 117.) 
Type of Genus, O. nigricans (Q. & G.). 
474, ONCHIDELLA MACULATA, Plate. 
1893 Oncidiella maculata, Plate, Zool. Jahrb. Jena, vii, 1. p. 201. pl. 7, 
f. 4. pl. 9, f. 43, 44. pl. 10, f. 45-49, 52. pl. 11, f£. 68. pl. 12, 
Ea Oi, SAL 
Type—whz ? 
Hab. Great Namauanp. Angra Pequena (fide Plate). 
Sus-Orper BASOMMATOPHORA, Keferstein, 1865. 
(Bronn’s Thier-reichs, iii. p. 1246.) 
Trins GEHYDROPHILA, Férussac, 1821. 
(Labl. Syst. Moll. pt. 3. p. 95 (or 91), as Géhydrophiles.) 
Faminy AURICULIDA, Gray, 1824. 
(Ann. of Philos. viii. p. 107, as Auriculad, emend. 1840, Turton’s Manual, p. 101.) 
(= Ellobiid, H. & A. Adams, 1855.) 
Sus-Famiry MELAMPINA, H. & A. Adams, 1855, 
(Gen. rec, Moll. ii. p. 242,) 
