African Species of the Genus Labeo. 361 
20. Labeo cylindricus. 
Peters, Mon. Berl. Ac. 1852, p. 684, and Reise n. Mossamb. iv. p. 47, 
pl. x. fig. 1 (1868). 
Tylognathus Cantini, Sauvage, Bull. Soc. Philom. (7) vi. 1882, p. 175; 
Vincig. Ann. Mus. Genova, (2) xv. 1895, p. 50, and xix. 1898, p. 259. 
Tylognathus moutanus, Giinth. Proc. Zooi. Soc. 1889, p. 71, pl. vill. 
tic. B 
Labeo Forskalit, part., Pfeffer, Fische O.-Afr. p. 49, fig. (1896). 
Labeo montanus, Pfeffer, ¢. c. p. 52. 
? Labeo mesops (non Gunther), Vincig. Ann. Mus. Genova, (2) xvii. 
1897, p. 361. 
Abyssinia and East Africa to Mozambique. 
21. Labeo macrostoma. 
Bouleng. Ann. Mus. Congo, Zool. 1. p. 36, pl. xix. fig. 1 (1898), and 
Poiss. Bass. Congo, p. 216 (1901). 
Congo. 
22. Labeo nasus. 
Bouleng. Ann. Mus. Congo, Zool. i. p. 99, pl. lx. fig. 2 (1899°, and 
Poiss. Bass. Congo, p. 218 (1901). 
Congo. 
23. Labeo Greenti. 
Bouleng. Ann. Mus. Congo, Zool. ii. p. 29, pl. viii. fig. 4 (1902). 
Congo. 
24. Labeo brachypoma. 
_ Gunth. Cat. Fish. vii. p. 50 (1868). 
Labeo Walkert, Gunther, Proc. Zool. Soc. 1902, ii. p. 338, pl. xxxili. 
Lagos and Gold Coast. 
25. Labeo annectens. 
Bouleng. Proc. Zool. Soc. 1903, i. p. 28, pl. ii. fig. 1. 
S. Cameroon. 
26. Labeo Lukule. 
Bouleng. Proc. Zool. Soc. 1902, i. p. 285 
30, pl. xxili. 
Lukula R., Congo. 
27. Labeo parvus. 
Bouleng. Ann, Mus. Congo, Zool. ii. p. 80, pl. viii. fig. 5 (1902), 
Congo. 
