SALMONOIDE.E. 169 



The space between the anal and caudal is greater than the length of the base of the former. 

 The caudal is large and very entire, being truncated with a slight rounding of the angles. 

 The dorsal is opposite to the ventrals. 



Intestines similar to those of the trouts ; stomach rather small : between thirty and thirty- 

 six cylindrical caeca from one to two inches long. 



[65.] 5. Salmo alipes. (Richardson.) Long-finned Char. 



Genus, Salmo. Cuv. Sub-yenus, Salvelinus. Nii.sson. 

 Salmo alines. Richardson, Nat. Hist. App. Ross's Voy., p. lvii. 



Plate 81, One-third nat. size, and Plate 86, f. 1, the head of the nat. size. 



This trout evidently belongs to the Salvelini, or Chars, a sub-generic group 

 characterised by the smallness of the scales and the arrangement of the vomerine 

 teeth in a cluster on the anterior extremity of the bone, without running backwards 

 along a median ridge in a single or double row. The European chars have a 

 peculiarly neat aspect from their small bright scales ; and in the spawning season 

 their bellies generally assume a deep red or orange colour, agreeing in these re- 

 spects with the majority of the American trouts that have come under our notice. 

 The Salmo alipes, though it differs from S. Rossii in the smooth manner in which 

 the scales are imbedded in the skin, in the relative proportion of the jaws, and in 

 other particulars, resembles it closely in the general form, and especially in the 

 shape of the various bones of the face and gill-covers. It is remarkable for the 

 great length of its fins, but in the opinion of M. Agassiz this cannot be regarded as a 

 specific distinction, trouts inhabiting rapid, rocky streams, having their fins always 

 much developed. Our specimen was taken with many other individuals in a small 

 lake which discharges itself into Prince Regent's Inlet by a stream about half a 

 mile long. It most probably visits the sea, though the fact of its doing so was not 

 ascertained. Several brachiellce adhered to the inside of its under jaw. The 

 Esquimaux of Boothia Felix included it with several other kinds of trout, under 

 the general appellation of eekalook-peedeook. 



DESCRIPTION 



Of a prepared specimen from a small lake in the peninsula of Boothia. 



Form slender. The head forms more than a fifth of the total length, caudal included : it is 



convex above, both in profile and transversely, the cranial ridges being similar to those of S. 



Rossii, but more prominent and acute. Snout very obtusely rounded, receiving the knobbed 



Z 



