MTJGIL. 



433 



completely hidden when the mouth is closed ; upper lip narrow, its diameter less than 

 half that of the eye ; a lanceolate space between the rami of the lower jaw ; prceorbital 

 with the edge finely serrated ; four or five series of scales on the cheek. First dorsal 

 fin with 4 spines (exceptionally 3 or 5), the first two measuring half to three-fifths 

 the length of the head; second dorsal fin with 9 or 10 rays, originating above the 

 anterior third of the anal, which is formed of 3 spines and 9 (exceptionally 8 or 10) 

 soft rays. Pectoral fin three-fifths to two-thirds the length of the head. Ventral fin 

 inserted at equal distance from the eye and from the anal fin. Caudal fin deeply 

 emarginate, as long as the head. Caudal peduncle once and a half to twice as long as 

 deep. 40 to 47 scales in a longitudinal series, 14 to 16 in a transverse series above the 

 ventral fin ; a large free scale above the axil. 



Grey or greyish olive above, with darker streaks along the series of scales, silvery 

 white beneath ; fins greyish ; often a very small dark spot in the upper part of the root 

 of the pectoral fin. Young uniform silvery. 



Grows to a length of 400 millimetres. 



Measurements (in millimetres) and numbers of scales. 



l. 



3. 



4. 



5. 



10. 



Total length (without caudal) 



Depth of body 



Length of head 



Width of head 



Length of snout , 



Diameter of eye 



Interorbital width 



Longest dorsal spine 



„ „ soft ray 



„ anal soft ray 



Length of pectoral 



Number of scales in longitudinal series . 

 ,, transverse series . . . 



250 

 52 

 68 

 43 

 14 

 14 

 29 

 34 

 29 

 32 

 42 

 46 

 15 



210 

 47 

 52 

 32 

 11 

 11 

 23 

 30 

 26 

 27 

 34 

 45 

 15 



180 

 41 

 47 

 29 

 10 

 10 

 20 

 27 

 23 

 24 

 30 

 43 

 14 



155 

 37 

 43 

 24 

 9 

 10 

 18 

 25 

 21 

 22 

 27 

 44 

 14 



125 



30 

 33 

 19 



7 

 8 

 14 

 20 

 17 

 18 

 22 

 42 

 14 



115 



29 

 29 

 18 

 6 

 7 

 12 

 16 

 16 

 16 

 19 

 43 

 15 



85 

 19 

 24 

 14 

 5 

 t 

 10 

 13 

 12 

 12 

 15 

 46 

 15 



70 



14 



18 



11 



4 



5 



7 



10 



9 



9 



13 



46 



14 



57 



12 



16 



10 



3 



5 



7 



9 



8 



9 



10 



45 



14 



42 

 10 

 12 



7 



2 i 



4 i 



4 



6 



5 



6 



7 

 43 

 14 



1, 3, 4, 5. L. Menzaleh.— Loat. 



2. Cairo. — Petherick. (Type of M. petherici.) 

 6. Samannud. — Loat. 



7, 9, 10. Ghet-el-Nassara. — Loat. 



8. L. Temsah. — Owen. 



3k 



