ADDEND A. 



VOL. I. 



Fam. PRISTID.F. 



1. PRISTIS, L;itr. 



1. PRISTIS PERROTETI, M. & H. 

 Add :— 



4. Hgr. G. La R. at Bafata, Portug. Guinea. Dr. W. J. Ansorge (<"'.). 



Fam. POLYPTEPJD,F. 



1. POLYPTERUS, Geoff r. 

 1. POLYPTERUS BICHIR, Gcoffr. 

 Pellegr. Poiss. Bass. Tchad, p. 16, fig. (1914). 



2. POLYPTERUS LAPRADII, Stdr. 

 Add :— 



29-30. Ad. Gcba R. at Bafata, Portug. Guinea. Dr. W. J. Ansorge (C.). 

 31. Yg. Anainbra R., Lower Niger. W. J. Crocombe, Esq. (P.). 



2 a. POLYPTERUS ANSORGII. 

 Bouleng. Ann. & Mag. N. H. (8) vi. 1910, p. 424. 



Body as deep as broad in front. Head nearly twice as long as broad, 

 4 to 4j times in total length, much flattened, with supero-lateral eyes 

 and flat interorbital region; jaws equal in front; length of snout 5 to 5^ 

 times in length of head ; eye 8. times. in length of head, 1J to 1^ times 

 in interocular width ; latter less than distance-between eye and spiracle ; 

 no azygous shield between the nasals ; a series of 3 or 4 shields between 



