232 S. UNDULATUS. 



The dorsal fins and tail are greenish umber-brown, 

 adipose pale greenish, tipped with red, — the for- 

 mer has a dark clouded band across it, and is fur- 

 nished with a rather strong spine anterior to it ; the 

 pectoral and ventral fins are greyish brown; the 

 anal is greenish brown at the base, bordered with a 

 rather broad border of clear red. Iris is coloured 

 yellow. The lateral line seems straight, except a 

 slight undulation at its commencement ; the mouth 

 is small, and the teeth comparatively fine. 



D. 17— P. 15— V. 7— A. 40_C. 28_Br. 4_Ribs, 14 pairs, 

 large — Vert. 34. 



S. UNDULATUS, WaTE-LINED SaW-BELLIED SAL- 

 MON. — L. Geral, Chidova. Schomh, Drawings, 

 No. 52. — The drawings of this small species show 

 a different proportion from the last. The head is 

 proportionally much longer, the under jaw projects, 

 and both are armed with rather strong teeth. The 

 dorsal outline is undulated to a less degree than the 

 last, but the adipose fin is situate remote from the 

 tail, and rather nearest to the dorsal. Another re- 

 markable peculiarity is in the lateral line performing 

 three distinct undulations in its length, as in tlie 

 line below. 



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