FAMILY SALMONID.« — BAIONE. 245 



The lateral line curves down from the upper angle of the branchial aperture ; it is com- 

 posed of a series of very minute rounded tubercles, continuous with the mucous pores on the 

 head. Length of the head measured to the posterior margin of the opercle, to the total length, 

 as one to five. The orbits large, encircled by a row of mucous pores ; at the posterior part 

 of the orbits, a series of these pores goes off on each side posteriorly, and becomes continuous 

 with the lateral line ; another transverse line connects these two over the basal line of the 

 head. These series of mucous pores are scarcely evident in the living specimens. Eyes 

 very large in proportion to the size of the body, 0'15 in diameter, and O'l apart. Mouth 

 broad, rounded, and deeply cleft. A row of crowded minute even teeth on the maxillaries ; 

 a shorter range on the intermaxillaries, and a patch of similar minute teeth on the vomer. 

 A series of long upright teeth on the edges of the tongue. The branchial rays ten and 

 eleven on opposite sides. 



The first dorsal arises at a point nearly midway between the end of the snout and the adipose 

 dorsal ; it contains eight slender branched rays, so far cloven down as to render them difficult to 

 enumerate. It is higher than long, being 0'2 in length along the base, and 0'28 high. The 

 adipose fin slender but distinct, O'l high, and nearer the end of the first dorsal than the tip 

 of the caudal rays. Pectorals placed low down, with twelve rays, of which the second, third 

 and fourth rays are longest ; this fin is 0-3 long, its tips scarcely reaching the base of the 

 ventrals. The ventrals feeble, contiguous, pointed, and placed beneath the first dorsal, with 

 one simple and six branched rays. The vent is a longitudinal fissure with a tubercular mar- 

 gin, and covered by the ventrals when they are in repose. Anal quadrate, with nine rays, 

 arising half an inch from the base of the caudal ; it is 0*25 high, which is twice the length of 

 its base. Caudal fin forked ; its lobes rounded, and with numerous accessory rays. 



Color. The general color is black above ; silvery white on the sides and beneath. The 

 dark color above, descends in a waving manner on the sides, occasionally becoming detached 

 rounded spots. Along the sides are eight large vertical broad bands, sometimes irregular, 

 occasionally oblong elliptical, not uniting with the dark color above ; these bands become cir- 

 cular spots on the sides of the tail. First and second dorsal dusky, faintly maculated with 

 brown. All the other fins tinged with orange on their outer margins. 



Length, 2-0. Depth, 0-25. 



Fin rays, D. 8.0; P. 12 ; V. 7 ; A. 9 ; C. 19 if. 



This pretty little fish inhabits clear running streams and springy morasses. It was first 

 detected in a deep spring in Rockland county, by Mr. J. G. Bell, and will doubtless be 

 found in other parts of the State. I have heard it called Pigmy Trout and Troitt Pig. It is 

 undoubtedly the smallest fresh-water species of the Salmonidae. 



