WMOINS Ti ROSIW bes 
Onr’s curiosity is often excited by the capture of a deformed fish. 
The causes of malformation are not well known, and are difficult to 

Fic. 217.—4-lb. Deformed Trout, caught in Loch Clashfern, Sutherland. 
July 1904. 
account for. I show photographs of a few of those I have seen. 
I am of opinion that many of these malformations are caused by 
starvation. Lochs that are overstocked and in which the spawning- 
ground becomes too prolific, and lochs in which the trout are in poor 
condition and do not grow to more than 3 
270% 4902s, CONtain aman, 
deformed trout. 
In Loch Clashfern in Sutherlandshire I have captured three or 
four monstrosities in one day. Many deformed trout may also be seen 
coming from the hatcheries, having double heads, deformed heads, de- 
fective fins, and short gills. These defects, cf course, have an injurious 
239 
