602 Bulletin American Museum of Natural History (Vol. LITI 
Subulina sinistrorsa, p. 47, fig. 1. Kaindu. 
Cecilioides spencei, p. 48, fig. 2. Near Boma. This appears to be C. gundlachi 
Pfeiffer. 
1923. ‘Notes malacologiques concernant la faune de |’ Afrique continentale et 
insulaire. II.’ Op. cit., LI, (1922), pp. 80-83. 
Dupuis, P. and Putzeys. 1922 (December). ‘Notes sur la faune malacologique 
africaine.’ Op. cit., LIII, pp. 40—45. 
Pseudotrochus janssensi, p. 42, fig. 2. Inkongu and Dima. 
Ptychotrema (Parennea) connollyi, p. 40, fig. 1. Nsendwe and Barumbu. P. 
dykeiana Spence is a synonym of this. 
1923. ‘Deuxiéme note concernant la faune malacologique africaine.’ Op. cit., 
LIII, (1922), pp. 69-79. 7 
Succinea chudeaui Germain var. leynent, p. 70, fig. 2. Nyangwe. 
Ptychotrema (Nsendwea) nobrei, p. 74, fig. 7. Nsendwe. 
Dyke, F. M. 1922. ‘Some uses of shells in the BelgianCongo.’ Journ. of Con- 
chology, XVI, p. 309. 
Spence, G. C. 1922. ‘A collection of Mollusca from the Belgian Congo.’ Op. 
cit., XVI, pp. 265~267. 
1923 (January). ‘Mollusca from the Belgian Congo (II).’ Op. cit., XVII, pp. 
19-94) Plt, 
Achatina schweinfurthi var. semifusca, p. 20, Pl. 1, fig. 4. Leverville. 
Homorus (Subulona) bumbaensis, p. 32, Pl. 1, fig 7. Bumba. 
Ceras texistriatum, p. 21, Pl. 1, fig. 3. Elizabetha. 
Pseudoglessula (Ischnoglessula) pulchella, p. 20, Pl. 1, fig. 5. Leverville. 
_ Ptychotrema (Parennea) dykeiana, p. 20, PL. 1, fig. 6. Leverville. This is the 
same as P. connollyi Dupuis and Putzeys, which has priority (see Spence, 1924, op. 
Gil. WWI, pelts): 
G. C. Spence (1923, Journ. of Conchology, XVII, p. 96 and 1924, op. cit., p. 118), 
has also recorded from the Belgian Congo Achatina weynsi Dautzenberg (Alberta) 
“Trachycystis” seminium (Morelet) (Boteke), and Thapsia mixta (Smith) (Boteke). 
