14 



POLYPTERID.F. 



Upper Congo (Lake Leopold II. and New Antwerp) ; Shari. — Type 

 in Congo Museum, Tervueren. 

 1. One oE the types. New Antwerp. Capt. Wilverth (C). 



8. POLYPTBRUS SENEGALUS. 



Cuvier, Regne Anim. 2nd ed. p. 330 (1829), and Regne Aniin. Illnstr., Poiss. 



pi. cv. fig. 2 (1836) ; Gnichen. Mag. de Zool. 1839, Poiss. p. 11, pi. i.; 



Steind. Sitzb. Ak. Wien, lix. i. 1869, p. 106, pi. i. tigs. 3-5 ; A. Dam. Hist. 



Poiss. ii. p. 394 (1870) ; Steind. Denk<'chi\ Ak. Wien, xliv. 1882, p. 52, 



pis. viii. & ix. fig. 2 ; Bouleng. Ann. & Mag. N. H. (7) ii. 1898, p. 419; 



Budgetfc, Proc. Cambr. Philos. Soc. x. 1900, p. 236 ; Bouleng. Proc. Zool. 



Soe. 1902, i. p. 124, pi. xi. fig. 3 ; Werner, Zool. Jahrb., Syst. xxi. 1904, 



p. 271, and .Sitzb. Ak. Wien, cxv. i. 1906, p. 1119, pi. i. fig. 1; Bouleng. 



Fish. Nile, p. 11, pi. iii. (1907). 

 Polypterus senegalensis, part., G unth. Petherick's Trav. ii. p. 268 (1869). 

 Polypterus arnaudu, A. Diim. t. c. pi. xxiii. fig. 2. 

 Polypterus Meter, part., Giinth. Cat. Fish. viii. p. 326 (1870). 

 Polypterus senegalensis, Stein 1. Sitzb. Ak. Wien, Ixi. i. 1870, p. 718. 

 Polypterus Meter (non Geoffr.), Giinth. Proc. Zool. Soc. 1896, p. 218. 



Body cylindrical or slightly compressed. Head If to 2 times as long 

 as broad, h\ to 7 times in total length, with lateral eyes and convex 

 interorbital region ; snout projecting slightly beyond lower jaw ; eye 5 

 (young) to 8 times in length of head, H (young) to 2+ times in inter- 

 Fig. 10. 



Polifpte.rus senei/alns. 

 From Khartum (F. N.). -J-. 



orbital width; head-shields all paired; a series of 2 or 3 (rarely 4) 

 shields between postorbital and spiracular shields ; suboperculum as 

 large as or smaller than eye. Dorsal with VIII-XI spines, more or less 

 widely separated from each other when folded. Anal 14-17. Pectoral 



