6 



U. S. BUREAU or FISHERIES. 



fitted around the funnel and extended upward to the middle of the 

 end, to sink and hold the trap on the bottom; top removable, with a 

 wire hook projecting downward from center of top, on which the bait 



Fig. 1. — Crawfish trap. 



(any inexpensive fish) is fastened. To one end is fastened about 8 

 feet of f-inch rope with a short wooden float at the free end. 



IMPROVEMENTS IN MERCHANDISING FISHERY PRODUCTS. 



The bureau realizes the importance of rendering all possible assist- 

 ance in effecting improvements in fish merchandising and has aided 

 as fully as practicable those seeking such assistance. It is hoped that 

 provision may be made for more extensive aid in this field. There is 

 special need for the assemblage of specific information on such sub- 

 jects as the losses through shrinkage in the handling of fresh fish and 

 its preparation for the consumer, in both the fresh and preserved 

 state. Many factors need consideration, such as the losses through 

 evaporation under varying conditions, the shrinkage factors for each 



