cases the stones or other materials for building the dams may be found on the 

 spot. The structures need not be more than 12 or 15 inches in height. The tops 

 of the dams should be as narrow as possible, and the water should fall over them 

 in at least one place, in order that such fish or trout may leap over the obstruc- 

 tion without difficulty In ascending the stream to spawn in the fall. The beaver 

 dams in the Adirondacks make stream pools on a large scale, and have greatly 

 improved the trout fishing on the streams where they are located. 



Side pools may be formed on large streams either by excavating suitable 

 basins near the streams and diverting water through them, or by taking advantage 

 of natural hollows and basins. The inlet from the stream and the outlet of the 

 side pool should be screened to prevent the entrance of fish from the stream, 

 which would prey upon the fry in the side pool. These pools, if sufficinetly large, 

 will provide enough natural food for a considerable number of fry. The fingerlings 

 should be allowed to run into the main stream in the fall. On the headwaters of 



He Caught Him 



small streams, where large fish are not found, pools of this sort, that will require 

 no screening, can often be made at small expense, and the fry in them will 

 require no attention. Shade can easily be provided on the banks of side pools 

 by the planting of willows and black alders. A few large rocks under which the 

 little fish can hide, and boards supported from the bottom on stones, and weighted 

 down with rocks to prevent floating away, will complete the arrangements. 



Keroiviii^: and ]{oariii|; Stations. 

 At times it has happened, through the over-production and over-crowding of 

 fry in certain hatchorios, that they have been shipped when the brooks were still 

 icebound or a spring freshet was in full force. In order to tide the fish over until 

 the weather conditions become suitable for planting, several fish and game 

 associations that do planting on a large scale, including those at Rome, Middle- 

 villo and Slierburne, and at Bennington, Vt., maintain receiving or rearing sta- 

 tions, or l)oth. The receiving stations consist of a series of wooden or galvanized 

 iron troughs, supplied with an abundance of pure running water, and located 

 preferably indoors, where they are shielded from the strong rays of the sun. 



(18) 



