that messengers who watch the water temperature closely are usually 

 successful in carrying fish, while those who are constantly working 

 with their fish, changing and aerating the water, seem to be least 

 successful. Having this in mind, and in view of the experience on 

 the trip to the Canal Zone, experiments were undertaken to devise 

 a container which would meet the ends sought. 



^ ^ ^ -tTtTdl^""" ' 



:-'4j'k.rU>UB^ 



CANVAS JACKET. 



ELEVATION 



ELEVATION BOTTOM 



Jacketed Can for Transporting Live Fish. 



DESCRIPTION OF CONTAINER 



In due time there was developed a device consisting of an ordi- 

 nary lard can of standard size placed in a loosely fitting bag of 10- 

 ounce canvas. The can is supported by four triangular pieces of 

 wood attached to the bottom of the bag to permit free air circulation. 

 The can has a ring of fine perforations four inches from the top, 

 about which ring on the outside of the can is fastened a band of 



38 



