SINGLE-SPOTTED SALMON. 



Salmo Unimaculatus. S. argenteo-ccendescens, macula utrinque 



nigra } cauda elongatafurcata. 

 Silvery-blueish Salmon, with a black spot on each side the 



body, and lengthened forked tail. 

 Salmo unimaculatus. S. maxilla superiore svblongiore, macula 



nigra ad Hneam later alem. Block, t. 381. f. 3. 

 Curimata Brasiliensibus. Marcgr. Pise. Will. $c. 



LENGTH about eighteen inches : colour silvery, 

 with an olive or dusky tinge on the back: fins pale: 

 tail rather long, and very deeply forked : scales 

 rather large than small : on each side the middle of 

 the body a moderately large round black spot : 

 snout obtuse : upper jaw rather longer than the 

 lower. Native of the lakes and other fresh waters 

 of South- America : considered as a very delicate 

 fish by the inhabitants of Brasil, Surinam, &c. 



BLACK-TAILED SALMON. 



Salmo Melanurus. S. argenteo-ccerulescens, squamis magnis> 



pinnisjlavis, caitda furcata media nigra. 

 Silvery-blueish Salmon, with large scales, yellow fins, and 



forked tail black in the middle. 

 Salmo melanurus. S. radiis triginta in pinna annali, macutaqnc 



nigra in caudali. Block. t.381.f.2. 



LENGTH of the specimen described by Bloch 

 about four inches : colour silvery, with a blueish 

 cast ; the back brown : snout obtuse, with the 

 lower jaw rather longer than the upper : scales 



