Report U. S. T. C. 1883.— Beuecke. Fish-pouds. 



PLATE V. 



«, Grating, &, Position of angular grate. c. Floating beam. 

 Fig. 14. — Dike witli weir, grating and floating beam, viewed from above, 



Fig. 15. — Weir. 



Fig. 17.— Portable net for carrying carp. 



Fig. 16. — Angular grate. 



