PE0T0PTEEU8. 



21 



1. Hgr. 



2, 3. Ad., stffd. 

 4-7. Hgr. 



8, 9. Ad. & yg. 

 10, 11. Ad. & yg. 



12. Skel. 



13. Skull. 

 14-16. Hgr. 

 17-19. Cocoons. 

 20-21. Yg. 



22. Yg. 



23, 24, 25. Ad. & yg. 

 26. Yg.. 



27-29. Hgr. & yg. 

 30, 31. Ad. 



32. Ad. 



Gambi; 



Sierra Leone. 

 Agberi, S. Nigeria. 



Assay, „ 



Tidal Creek, Mkoriumbi, 



Brit. E. Africa. 

 Zanzibar Coast (?). 

 Mozambique. 

 Chiromo, Shir6 R. 



Sir R. Owen (P.). 

 Crystal Palace Co. (P.). 

 Lord Derby (P.). 

 J. S. Budgett, Esq. (P.). 

 Capt. Vipan (P.). 



Col. Hill (P.). 



Dr. W. J. Ansorge (C). 



5) 



J. S. Budgett, Esq. (P.). 

 Dr. J. W. Gregory (P.). 



Sir J. Kirk (P.). 



R. MacDonald, Esq. (P.). 



2. PROTOPTERUS ^THIOPICUS. 

 Protopterus cetJdopicus, Heckel, Sitzb. Ak. M^ien, vii. 1851, p. 685 ; Marno, Zool. 



Gart. xiv. 1873,p.441; Bouleng. Poiss. Bass. Congo, p. 36 (1901), and Proc. 



Zool. Soc. 1901, ii. p. 158 ; Moore, Tanganyika Problem, p. 152, fig. (1902) ; 



Bouleng. Trans. Zool. Soc. xvii. 1906, p. 544 ; Werner, Sitzb. Ak. Wien, 



cxv. i. 1906, p. 1121 ; Bouleng. Fish. Nile, p. 19, pi. iv. (1907). 

 Lepidosiren arnaudii, Casteln. Anim. Nouv. Amer. Sud, p. 105 (1855). 

 Lepidosiren annectens (non Owen), Gray, Ann. & Mag. N. H. (3) v. 1860, p. 70 ; 



McDonnell, Nat. Hist. Rev. vii. 1860, p. 94 ; Baker, Albert Nyanzca, ii. p. 131 



(1866) ; Giinth. Petherick's Trav. ii. p. 268 (1869). 

 Protopterus annectens, Hartmann, Nat. Skizze Nilland. p. 202 (1865). 

 Protopterus annectens, part., A. Dum. Hist. Poiss. ii. p. 470 (1870) ; Giintb. Cat. 



Fish. viii. p. 322 (1870) ; A. Schneid. Zool. Beitr. ii. 1887, p. 98. 



Depth of body 7 to 9J times in the total length. Length of head 3f 

 to 5 times in distance from end of snout to vent ; snout broadly rounded, 

 :^ to ^ length of head ; eye very small, its diameter 10 to 20 times in 

 length of head (in half-grown and adult), 3 to 5 times in interocular 

 width. 35-41 pairs of ribs. Dorsal fin originating at equal distance 

 from occiput and from vent, or nearer latter. Fore limb trie longer 

 and provided with a well-developed fringe ; no fringe on the hind limb. 

 55 to 70 scales in a longitudinal series from gill-opening to above 

 the vent, 40 to 50 round middle of body. Grey or olive-brown to 

 blackish above, yellowish white or pinkish beneath, more or less spotted 

 or speckled with black ; lines of sensory canals brown or black. 



