ATHERIXA. 



( ■) 



Dcptli of body 4:^ to G^ times in total length, length of head 4 to 4i 

 times. Snout rounded, sliorter than eye, which equals lengtli of post- 

 orbital part of head and width of interorbital region ; latter flat, witli 

 a low median keel; lower jaw slightly projecting; mouth extending to 

 below anterior fourth of eye ; teeth small, conical, in a narrow band, 

 (jill-iakers nearly as long as gilldaniin;r, lG-20 on lower part of 

 anterior arch. Dorsals VI-VIII, 1 11-13; second dorsal widely 

 separated from first, originating above anterior third of anal. Anal I 

 12-13. Pectoral shorter than head, extending to above root of ventral, 

 \\hich is in advance of first dorsal. Caudal deeply forketl. Caudal 

 peduncle 2 to 3 times as long as deep. Scales smooth, 4 3-40 in 

 longitudinal series, 20-26 round body in front of ventral tins (not more 

 than 24 in var. (Pgyptia, BIgr.). Yellowish, with a silvery lateral stripe 



FIr. 46. 



Atherina moclron, var. (ff/ii]:tia. 

 Egypt (F. N.). 



running along the fourth or fifth row of scales below the spinous dorsal 

 fin; ujjjier half of body with dark brown dots, which may be crowded 

 round the edges of the scales or form small blotches on the back ; 

 fins white. 



Total length 120 millim. (North African specimens do not exceed 75). 



Mediterranean, in some ]>arts of North Africa and Southern Europe 

 in frrsli-water lakes. — Types in Paris Museum. 



l-C. .\il. 



7-1 1;. Ad. it liu;r. 

 ] 7-2C,. A.l. & hgr. 

 21-M\. All. & hgr. 

 37-(;r>. Ad. k h«r. 

 07-72,7;:}. A<l.(tligr 



Mediterranean Const of Kgypt. 



L. ifenzaleh. 



Nr. (Jliet-el-Nassara, L. Menzaleh. 



Geiuil. near L. Men/.aleli, 



L. Teinsali. near Suez. 



A'{^eria. 



Dr. Hiippell (P.). 

 L. Loat, Esq. (('.). 



Sir I?. Owen ( 1'.). 

 Sir L. Plavfair (P.). 



