82 U. S. BUREAU OF FISHEEIES. 



TUPELO (MISS.) STATION. 

 [David Davies, Superintendent.] 



The fish distribution from this station during the year inchided 

 the large-mouthed black bass, the sunfish, and the crappie. The ag- 

 gregate output in round numbers amounted to 385,000, and approxi- 

 mately 600 requests from applicants in the States of Mississippi, 

 Louisiana, Alabama, Arkansas, and Tennessee were honored, leav- 

 ing an indeterminate number of fish remaining on hand at the close 

 of the year. 



As opportunity offered without interference with fish-cultural 

 operations or without involving any additional expense, work was 

 continued on the construction of the new pond, and about 290 feet of 

 the south embankment was finished. This pond will have an area 

 of 2.14 acres, and about 140 feet of additional embankment will be 

 required to complete it. 



CENTRAL STATION AND AQUARIUM, WASHINGTON, D. C. 



[L. G. Harron, Superintendent.] 



In an effort to maintain a display of fish life for the edification 

 and information of the public, several difficulties were encountered 

 in the course of the year that detracted considerably from the usual 

 effectiveness and value of the exhibit. The rapid increase in the 

 population of Wfishington during recent years, with the consequent 

 increase in water consmnption, has taxed the city's water conduits 

 to the limit of their capacity. This condition led the President 

 early in the fiscal year to direct all Government departments to 

 curtail as far as practicable their use of water. In compliance with 

 this order the bureau abandoned for the warm period of the year its 

 display of the trouts, salmons, and grayling, all of which require a 

 considerable flow of cool water, and confined its exhibit to the so- 

 called warm-water fishes, the latter requiring only a comparatively 

 small flow of water. Upward of 1,000 fish ranging in size from 

 fingerlings No. 3 to adults w^ere disposed of, the adults being turned 

 over to the New York Aquarium and the smaller fishes planted in 

 public waters. Further difficulty arose during the early spring 

 when the health authorities found it necessaiT to use chlorine as a 

 sterilizing agent in the city water supply, it being understood that 

 this is the first time in the history of Washington that such a course 

 has been necessary- The effects of this agent were immediately 

 noticeable among the fish at Central Station. Within 48 hours after 

 its introduction in the water all the eggs and fry on hand were dead, 

 the loss amounting to more than 2,250,000. The adult fish were also 

 affected, the trouts succumbing first, though such species as the 

 sturgeon, the catfish, the black basses, and the crappie were lost also. 



To demonstrate for the benefit of the visiting public the various 

 methods and apparatus used in the incubation of fish eggs and the 

 rearing of fry, efforts are made to keep eggs and fry of the various 

 species propagated on exhibit at such, times as is possible. The 



