PLEURONECTIDyE. 



1. CYNOGLOSSUS SENEGALENSIS. 



Arelia senegalensis, Kaup, t. c. p. 108. 



Cynoglossus senegalensis, Giinth. t. c. p. 502; Steind. Sitzb. Ak. Wien, lx. i. 1870, 

 p. 977, and Notes Leyd. Mus. xvi. 1894, p. 50. 



Depth of body 4f to 5 times in total length, length of head 5 to 5^ 

 times. Lower eye farther back than upper, close to mouth ; diameter 

 of eye 8 to 12 times in length of head ; interorbital space narrower 

 than eye; two nostrils, one between the eyes, the other near the mouth 

 in front of lower eye. Dorsal 126-140 ; anal 110-120. 120-140 scales 

 in longitudinal series along lateral line, from above gill-opening; 

 2 lateral lines on coloured side; 17 or 18 longitudinal series of scales 



Fig. 3. 



Cynoglossus senegalensis. 

 St. Louis. |. 



between lateral lines at widest point ; longitudinal aud transverse series 

 of sensory canals on the head. Uniform reddish or purplish brown. 



Total length f>50 millim. 



West Africa, from Senegambia to Angola. — Types in Paris Museum. 



1. Ad. 



2-4. Ad. & hgr. 



5. Skel. 



6. Ad. 



7. Hgr. 

 8-10. Hgr. 



11-13. Ad. & hgr. 



14. Ad. 



15. Ad. 



St. Louis, Senegal. 

 Gambia. 



Lagos. 



Degama, Lower Niger. 



Old Calabar. 



Lambarene, Ogowe. 



Ogowe. 



Quanza R. at Cunga, Angola. 



II. P. Delhez (C.). 



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



55 



Sir A. Moloney (P.). 

 Dr. W. J. Ansorge (C). 

 A. Murray, Esq. (P.). 

 Miss Kingsley (C). 



55 



Dr. IV. J. Ansorge (0.). 



