SALMON. 25 



spection that they had some appearance of animation, from a 

 very minute streak of blood which appeared to traverse for a 

 short distance the interior of the egg, originating near two 

 small dark spots, not larger at that time than the point of a 

 pin. These two dark spots, however, ultimately turned out 

 to be the eyes of the embryo fish, which was distinctly seen 

 resting against the interior surface of the egg a few days pre- 

 vious to its exclusion. On the 8th of April, which makes 

 ninety days imbedded in the gravel, I found on examination 

 that they were excluded from the egg, which was not the 

 case a day or two previous. The temperature of the water 

 at the time was 43, the temperature of the water in the 

 river 45, and the temperature of the atmosphere 39. On 

 its first exclusion, the little fish has a very singular appear- 

 ance. The head is large in proportion to the body, which is 

 exceedingly small, and measures abovii jive-eighths of an inch 

 in length, of a pale blue or peach-blossom colour. But the 

 most singular part of the fish is the conical bag-like appen- 

 dage which adheres by its base to the abdomen. This bag 

 is about two-eighths of an inch in length, of a beautiful trans- 

 parent red, very much resembling a light red currant, and in 

 consequence of its colour, may be seen at the bottom of the 

 water when the fish itself can with difficulty be perceived. 

 The body also presents another singular appearance, namely, 



