17G ADDENDA, VOL. I. 



2. HYDROCYON LINEATUS, Blkr. 

 Add :— 



44-46. Ad. & hgr. L. Bangwelu. F. H. Melland, Esq. (C). 



5. HYDROCYON BREVIS, Gthr. 

 Pellegr. Poiss. Bass. Tchad, p. 69, fig. (1914). 



3. BRYCON^THIOPS, Gthr. 



1. BRYCON^THIOPS MICROSTOMA, Gihr. 

 Add :— 



21-25. Hgr. Btimba R. at Assobam, S. Cameroon. G. L. Bates, Esq. (C). 



2. BRYCON^THIOPS YSEUXI, Blgr. 



Bryconcetliiops microstoma, var. hdbereri, Steind. Denkschr. Ak. ^Yien, lxxxix. 

 1913, p. 13, pi. ii. fig. 1. 



Add:— 



2-3. Ad. Ja R., S. Cameroon. G. L. Bates, Esq. (C). 



Perhaps not specifically distinct from B. microstoma. 



4. ALESTES, M. & T. 



1. ALESTES DENTEX, L. 



Pellegr. Poiss. Bass. Tchad, p. 71, pi. v. fig. 3 (1914). 



Add :— 



62-63. Hgr. Lagoon at Asaba, Niger. Major G. E. Bruce (P.). 



64. Yg. Aboina R., Cross R., S. Nigeria. Capt. R. D. Gardner (P.). 



2. ALESTES BAREMOSE, Joami. 

 Pellegr. op. cit. p. 72, fig. 



Add :— 

 93. Ad. Geba R. at Bafata, Portug. Guinea. Dr. W. J. Ansorge (C). 



3. ALESTES MACROPHTHALMUS, Gthr. 



Steind. Denkschr. Ak. Wien, lxxxix. 1913, p. 14 ; Pappenh. in Schubotz, "Wiss. 

 Ergebn. Deutsch. Z.-A£r. Exped., Zool. iii. p. 232 (1914). 



3 a. ALESTES ANSORGII. 

 Bouleng. Ann. & Mag. N. H. (8) vi. 1910, p. 542. 



Depth of body 3f to 4| times in total length, length of head 4 j to 

 5 times. Head If to 1\ times as long as broad, \\ to \\ times as 



