58 



MORMTRIDJE. 



Measurements (in millimetres) and numbers of fin-rays and scales. 



Total length (without caudal fin) , 



Greatest depth 



Length of head 



Width of bead , 



Length of snout , * . . . 



Diameter of eye . . 



Interocilar width ....... 



"Width of mouth 



Length of caudal peduncle 



Depth of caudal peduncle ....... 



Length of pectoral fin 



Number of rays in dorsal fin 



,, ,. anal fin ... 



? , scales in lateral line 



n „ from the middle of the back to the lateral line . 



5 , „ „ lateral line to the middle of the belly . 

 „ between dorsal fin and lateral line 



„ „ „ lateral line and anal fin 



,, „ round caudal peduncle 



115 



30 



22 



12 



4 



4 



7 



4 



17 



8 



24 



18 



27 



51 



9 



15 



9 



8 



12 



2. 3. 



113 



35 



26 



13 



4 



4 



9 



5 



18 



9 



27 



17 



25 



53 



10 



16 



11 



8 



12 



107 



31 

 23 

 13 

 4 

 4 

 8 

 5 



18 



9 



2d 



20 



28 



55 



10 



15 



9 



8 



12 



105 



32 



22 



12 



4 



4 



8 



4 



18 



9 



25 



19 



27 



54 



11 



16 



10 



8 



12 



102 



30 



22 



12 



4 



4 



7 



4 



18 



9 



25 



18 



26 



56 



10 



16 



10 



9 



12 



24 

 18 

 26 

 58 

 10 

 16 

 11 

 8 

 12 



84 



26 



18 



10 



3 



3 



6 



4 



14 



7 



20 



18 



27 



51 



10 



15 



10 



9 



12 



1. Niger. — Type. 



2, 4, 5, 6. Fashoda. — Loat, 



3. Gambia. — Type. 



7. Polkom, Baro E. — Zaphiro. 



