Report U. S. F. C. 1884.— Mather. Cold Spring Harbor. 



PLATE I. 



A. Spring reservoir. 



B. An old pond on low ground. 



C. Two-story hatchery (old mill). 



D. Salt-water liatcherj^ and engine-house. 



E. Brick hatchery on hill. 



F. Filter, with pipe from a spring not .shown. 



G. Settling reservoir receiving water from E. 

 H. Supply-pipe to 2d .story of old hatchery. 



I. Waste-ripe from 2d story of old hatchery. 



K. Supply-pipe to lower floor. 



L. Waste-pipe from lower floor. 



MM. Kearing-pond.s, 25 by 6 feet, of boards. 



NN. Underground drains. 



O. P(md in earth supplied from A. 

 PP. Pouda for older fish. 



R. Highway, unused at present. 

 SS. Ponds in earth. 



T. Outlet di(ch. 



U. Outlet of mill-ponds above, not connected 

 with grounds. 



V. Coal and wood bins. 



W. Salt-water reservoir. 



X. Flume belonging to old mill, C. 



T. Pond, made with sod-waU and island. 



Z. Wagon-road. 

 ssKsss. Fences. 



MAP OF FRESH-WATER DEPARTMENT. 



