MORMYROPS. 31 



the pectorals and from the anal, or nearer the former. Anal fin longer 

 than the dorsal. Vertebree 56-62 (21-24+31-39). 

 Nile and Tropical Africa. 



Synopsis of the Species. 



I. Caudal peduncle 2 to 2^ times as long as deep, \io\ length o£ head. 



A. 20-36 teeth in each jaw ; lat. 1. 8.5-96. 

 D. 21-27; A. 40-51; 14-18 scales round caudal 



peduncle ; depth of body 5-6^ times in 



total length ; head nearly twice as long 



as deep I. M. deliciosns, Leach, p. ?,2. 



D. 25-28 ; A. 39-42 ; 20 scales round caudal 



peduncle ; depth of body 5-6| times ir 



total lengih ; head nearly twice as lot! 



as deep ' ! . 2. it/, anpuilloides, L., p. 34. 



D. 26-29 ; A. 39-45 ; 14 scales round caudal 



peduncle ; depth of body 6^7 times in 



total length ; head more than twice as long 



as deep 3. i7. longiceps, Gthr., p. 35. 



D. 26 ; A. 43 ; depth of body 7| times in total 



length ; head nearly twice as long as deep . 4. M. Irreviceps, Stdr., p. 36. 



B. 10-16 teeth in each jaw. 



1. Snout short, not prolonged into a tube. 



a. D. 19-22 ; A. 33-37 ; head nearly twice as long as deep ; depth of 



body 6^-7^ times in total length. 

 L. 1. 80-93 ; 16 scales i-ound caudal peduncle . 5. M. engystoma, Blgr., p. 36. 

 L. 1. 70-76 ; 12 scales round caudal peduncle . 6. M. parvus, Blgr., p. 37. 



b. D. 29-32 ; A. 40-47 ; L. 1. 90-95 ; 16-18 scales round caudal 



peduncle ; head not twice as long as deep. 

 Depth of body 6 times in total lengtli ; 7th or 



8th ray of anal corresponding to first of 



dorsal 7. 71/. masuianus, Blgr., p. 38. 



Depth of body 6^-8 times in total length ; 13th 



or 14th ray of anal corresponding to first 



of dorsal 8. M. sirenoides, Blgr., p. 39. 



2. Snout much produced, tubiform, straight or slightly curved ; A. 34-39. 

 D. 19-21 ; L. 1. 70-74 ; 10-12 scales round 



caudal peduncle ; head 2^-21 times as long 



as deep 2. M, zanclirostris, Gthr., j). W. 



D. 17 ; L. 1. 63-70 ; 8 scales round caudal 

 peduncle ; head 3-3^ times as long as 

 deep ... 10. M. hmdetigeri, Pellegr., p. 40. 



