A 16 MITCHILL ON THE FISHES OF NEW-YORK, 



1. Large Silvcrside. (Alhcrina mordax.) With wide mouth, sharp- 

 toothed jaws, the lower one longer ; second dorsal fin fleshy. 



Seven inches long, and rather more than one deep. 



Mouth very wide and capacious. Tongue distinct, though small. 



Jaws, tongue, and palate, armed with sharp and separate teeth, mak- 

 ing a formidable apparatus for a small fish. Lower jaw longer than thr 

 upper. 



A white satin-coloured riband from head to tail, along the broad 

 side. Below that stripe, the belly silvery bright. Above it, the back 

 of a semi-transparent paleness. 



Eyes large, with silvery irides. Tail forked. Two dorsal fins, the 

 hinder of which is fleshy. Vent far back. Oblique lines along the 

 sides, like ribs. 



Rays, Br. 7. P. 12. V. 3. D. 10—0. A. 17. C. 23. 



2. Small Silver side. (Atherina notata.) With moderate and disten- 

 sible mouth, two radiated dorsal fins, upper jaw longer, and dotted anal 

 rays. 



Length five inches ; depth about one. 



Mouth moderate, or rather small ; yet susceptible of considerable 

 elongation and distention. Upper jaw somewhat jutting. 



Jaws armed with a row of acute, even, and thickset teeth. 



A satin stripe the length of the body. Back and tail delicately 

 semi-transparent, or of a pale horny colour. An opaque white over- 

 spreads the intestinal portion of the belly. 



Eyes large and silvery. Tail forked. Two dorsal fins, both radiated. 



Dark dots at the insertion of the anal rays. Brownish lines on the 

 hyaline back, marking the spaces between the scales, which are easily 

 deciduous. Pectoral fins high on the thorax. Tongue small and 

 smooth. Vent midway. Ribs visible by plain external traces, 



Rays, Br, 5, P. 12. V. 5. D. 4—9. A. 25. C. 17. 



